E+E Elektronik EE360 User manual

User Manual
Moisture in Oil Sensor
EE360

User Manual EE360
Moisture in Oil Sensor | 2
Content
1 General Information........................................................................................................................................... 3
1.1 Explanation of Warning Notices and Symbols ............................................................................................ 3
1.2 Safety Instructions ..................................................................................................................................... 4
1.2.1. General Safety Instructions ............................................................................................................................... 4
1.2.2. Intended Use..................................................................................................................................................... 4
1.2.3. Alarm Module with Voltages >50 V (Option AM2) .............................................................................................. 5
1.2.4. Integrated Power Supply 100 - 240 V AC (Option AM3)..................................................................................... 5
1.2.5. Mounting, Start-up and Operation...................................................................................................................... 5
1.3 Environmental Aspects............................................................................................................................... 6
1.4 ESD Protection ......................................................................................................................................... 6
2 Scope of Supply ................................................................................................................................................ 6
3 Product Description .......................................................................................................................................... 7
3.1 Product Design .......................................................................................................................................... 7
3.2 Dimensions ................................................................................................................................................ 8
4 Mounting and Installation ................................................................................................................................10
4.1 Mechanical Installation..............................................................................................................................10
4.1.1. Mounting of the Enclosure............................................................................................................................... 10
4.1.2. DIN Rail Mounting of the Polycarbonate Enclosure ......................................................................................... 10
4.2 Electrical Connection ................................................................................................................................11
4.2.1. Electrical Connection and Wiring..................................................................................................................... 12
4.3 Probe Mounting.........................................................................................................................................15
4.4 Mounting Pressure Tight Probe.................................................................................................................15
4.4.1. Installation of the Probe Directly in the Process............................................................................................... 15
4.4.2. Installation of the Probe with Ball Valve Set..................................................................................................... 16
5 Optional Modules..............................................................................................................................................18
5.1 Alarm Module (Option AM2) ......................................................................................................................18
5.2 Integrated Power Supply 100 - 240 V AC (Option AM3) ............................................................................20
5.3 RS485 Module - Modbus RTU (Option J3)................................................................................................21
5.4 Ethernet Module - Modbus TCP (Option J4)..............................................................................................21
5.4.1. Available TCP and UDP Ports ......................................................................................................................... 22
5.4.2. IPv4 Settings ................................................................................................................................................... 22
5.4.3. Retrofit with Ethernet Module .......................................................................................................................... 23
5.5 Modbus Register Map ...............................................................................................................................23
5.6 Modbus RTU Example ..............................................................................................................................24
5.7 Pluggable Probe (Option PC4)..................................................................................................................25
6 Setup and Configuration ..................................................................................................................................25
6.1 Configuration Interface..............................................................................................................................26
6.2 3.5" TFT Colour Display (optional) ............................................................................................................27
6.3 Chart and Data Logger .............................................................................................................................27
6.4 Configuration Menu ..................................................................................................................................28
6.5 Status Information ....................................................................................................................................29
6.6 Buzzer ON / OFF .....................................................................................................................................29
6.7 Error Indication ........................................................................................................................................29
7 Maintenance and Service .................................................................................................................................29
7.1 Self Diagnosis and Error Messages ..........................................................................................................29
7.1.1. Error Messages via Display ............................................................................................................................. 29
7.1.2. Error Messages via LEDs ................................................................................................................................ 30
7.1.3. Solving Typical Problems................................................................................................................................. 30
7.2 Sensor Replacement.................................................................................................................................31
7.3 Cleaning the Sensing Head and Filter Replacement .................................................................................31
7.4 Moisture and Temperature Calibration and Adjustment .............................................................................32
8 Spare Parts and Accessories...........................................................................................................................34
9 Technical Data ..................................................................................................................................................35
10 Appendix ...........................................................................................................................................................37
10.1 Overview...................................................................................................................................................37
10.2 Detailed Information..................................................................................................................................38
10.3 Optional Menu ..........................................................................................................................................41
11 Conformity ........................................................................................................................................................43
11.1 Declarations of Conformity........................................................................................................................43
11.2 FCC Part 15 Compliance Statement .........................................................................................................43
11.3 ICES-003 Compliance Statement..............................................................................................................43

User Manual EE360
Moisture in Oil Sensor | 3
1 General Information
This user manual serves for ensuring proper handling and optimal functioning of the device. The user manual
shall be read before commissioning the equipment and it shall be provided to all staff involved in transport,
installation, operation, maintenance and repair. E+E Elektronik Ges.m.b.H. does not accept warranty and liability
claims neither upon this publication nor in case of improper treatment of the described products.
This document may contain technical inaccuracies and typographical errors. The content will be revised on a
regular basis. These changes will be implemented in later versions. The described product(s) can be improved
and changed at any time without prior notice.
The user manual may not be used for the purposes of competition without the written consent of E+E Elektronik
Ges.m.b.H. and may not be forwarded to third parties. Copies may be made for internal purposes. All information,
technical data and diagrams included in these instructions are based on the information available at the time of
writing.
PLEASE NOTE
Find this document and further product information on our website at www.epluse.com/ee360.
1.1 Explanation of Warning Notices and Symbols
Safety precautions
Precautionary statements warn of hazards in handling the device and provide information on their prevention.
The safety instruction labeling is classified by hazard severity and is divided into the following groups:
DANGER
Danger indicates hazards for persons. If the safety instruction marked in this way is not followed, the hazard
will verly likely result in severe injury or death.
WARNING
Warning indicates hazards for persons. If the safety instruction marked in this way is not followed, there is a
risk of injury or death.
CAUTION
Caution indicates hazards for persons. If the safety instruction marked in this way is not followed, minor or
moderate injuries may occur.
NOTICE
Notice signals danger to objects or data. If the notice is not observed, damage to property or data may
occur.
Informational notes
Informational notes provide important information which stands out due to its relevance.
INFO
The information symbol indicates tips on handling the device or provides additional information on it. The
information is useful for reaching optimal performance of the device.
The title field can deviate from “INFO” depending on the context. For instance, it may also read “PLEASE
NOTE”.

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Moisture in Oil Sensor | 4
1.2 Safety Instructions
1.2.1. General Safety Instructions
NOTICE
Improper handling of the device may result in its damage.
▪ Avoid any unnecessary mechanical stress and inappropriate use.
▪ When replacing the filter cap make sure not to touch the sensing elements.
▪ For sensor cleaning and filter cap replacement please see “Cleaning instructions” at www.epluse.com.
▪ Installation, electrical connection, maintenance and commissioning shall be performed by qualified
personnel only.
▪ The devices are designed for the operation with class III supply (EU) and class 2 supply (NA).
▪ The power supply must be switched off before opening the housing.
▪ An existing Ethernet connection must be disconnected before opening the housing.
1.2.2. Intended Use
EE360 is optimized for reliable measurement in lubrication, hydraulic and insulation oils as well as diesel fuel.
In addition to highly accurate measurement of water activity (aw) and temperature (T), EE360 calculates the
absolute water content (x) in ppm. The probe can be used up to 180 °C (356 °F), 20 bar (290 psi) and is available
with either ISO or NPT sliding fitting, which allows for variable immersion depth. Using the optional ball valve, the
probe can be mounted or removed even without process interruption.
WARNING
The manufacturer cannot be held responsible for damages as a result of incorrect handling, installation and
maintenance of the device.
▪ This device is not appropriate for safety, emergency stop or other critical applications where device
malfunction or failure could cause injury to human beings.
▪ The device may not be manipulated with tools other than specifically described in this manual.
NOTICE
Failing to follow the instructions in this user manual may lead to measurement inaccuracy and device
failures.
▪ The EE360 may only be operated under the conditions described in this user manual and within the
specification included in chapter 9 Technical Data.
▪ Unauthorized product modification leads to loss of all warranty claims. Modification may be accomplished
only with an explicit permission of E+E Elektronik Ges.m.b.H.!
The moisture in oil can be expressed in absolute or relative terms:
▪ The water activity awis the relative measure for moisture in oil. It represents the ratio between the actual
amount of dissolved water and the maximum possible amount of dissolved water in the oil at a certain
temperature T. Independently of the oil type, the water activity shows how close to saturation is the oil at a
certain temperature.
aw = 0 indicates completely dry oil
aw = 1 fully saturated oil
EE360 measures directly the water activity.
▪ The water content x is an absolute measure equal to the share of water (dissolved, emulsified or separate) in
the oil. The water content is measured in ppm (parts per million) and is independent from the oil temperature.
For assessing how far is the oil from saturation, x must be regarded together with T.
EE360 calculates x out of the measured awand T values. The calculation is oil dependent and requires a set of
oil specific parameters. (Contact an E+E representative for details.)

User Manual EE360
Moisture in Oil Sensor | 5
1.2.3. Alarm Module with Voltages >50 V (Option AM2)
The optional alarm module is isolated from the low-voltage side of EE360 by a special partition; this must remain
fitted at all times in the back section of the enclosure.
WARNING
An open enclosure corresponds to IP00 and exposes components carrying dangerous voltage. The EE360
enclosure must be tightly closed during operation. Any work (maintenance for instance) on the device may
be performed by qualified staff only.
1.2.4. Integrated Power Supply 100 - 240 V AC (Option AM3)
The EE360 enclosure must be tightly closed during operation.
WARNING
An open enclosure corresponds to IP00 and exposes components carrying dangerous voltage. Any work
(maintenance for instance) on the device may be performed by qualified staff only.
An open enclosure corresponds to IP00 and exposes components carrying dangerous voltage. Any work
(maintenance for instance) on the device may be performed by qualified staff only.
1.2.5. Mounting, Start-up and Operation
The EE360 has been produced under state of the art manufacturing conditions, has been thoroughly tested and
has left the factory after fulfilling all safety criteria. The manufacturer has taken all precautions to ensure safe
operation of the device. The user must ensure that the device is set up and installed in a way that does not impair
its safe use. The user is responsible for observing all applicable local and international safety guidelines for
safe installation and operation of the device. This user manual contains information and warnings that must be
observed by the user in order to ensure safe operation.
PLEASE NOTE
The manufacturer or his authorized agent can be only be held liable in case of willful or gross negligence.
In any case, the scope of liability is limited to the corresponding amount of the order issued to the
manufacturer. The manufacturer assumes no liability for damages incurred due to failure to comply with the
applicable regulations, operating instructions or the specified operating conditions. Consequential damages
are excluded from the liability.
WARNING
Non-compliance with the product documentation may cause safety risk for persons (accidents, personal
injury) or damage to property (measurement installation).
▪ Mounting, installation, commissioning, start-up, operation and maintenance of the device may be
performed by qualified staff only. Such staff must be authorized by the operator of the facility to carry out
the mentioned activities.
▪ The qualified staff must have read and understood this user manual and must follow the instructions
contained within.
▪ All process and electrical connections shall be thoroughly checked by authorized staff before putting the
device into operation.
▪ Do not install or start-up a device supposed to be faulty. Make sure that such devices are not accidentally
used by marking them clearly as faulty.
▪ A faulty device may only be investigated and possibly repaired by qualified, trained and authorized staff. A
faulty device shall be removed from the process.
▪ Service operations other than described in this user manual may only be performed by the manufacturer.

User Manual EE360
Moisture in Oil Sensor | 6
1.3 Environmental Aspects
PLEASE NOTE
Products from E+E Elektronik Ges.m.b.H. are developed and manufactured in compliance with all relevant
environmental protection requirements. Please observe local regulations for the disposal of the device.
For disposal, the individual components of the device must be separated according to local recycling
regulations. The electronics shall be disposed of correctly as electronics waste.
1.4 ESD Protection
The sensing elements and the electronics board are ESD (electrostatic discharge) sensitive components
of the device and must be handled as such. The failure to do so may damage the device by
electrostatic discharges when touching exposed sensitive components.
2 Scope of Supply
Items included Version
EE360 Moisture in Oil Sensor
Applications according to ordering guide All versions
User manual All versions
Inspection certificate according to DIN EN 10204-3.1 All versions
Two self-adhesive labels for configuration changes
(see user manual at www.epluse.com/relabeling)All versions
Mating plug for integrated power supply AM3
Mating plug RKC 5/7 AM3 / E4 / E6 / E12
Mating plug RSC 5/7 (2 pcs. for option E12) E5 / E6 / E12
Mating plug HPP V4 RJ45 Cat5 J4
Tab. 1 Items included in the scope of supply

User Manual EE360
Moisture in Oil Sensor | 7
3 Product Description
3.1 Product Design
EE360
2
3
4
5
6
7
1
Fig. 1 EE360 product design
No. Function
1Frontsectionwithelectronic / display*) and probe cable
23.5" TFT colour display*)
35 push-buttons for configuration menu
4Back section with electrical connection, alarm + supply module*) and mounting holes
5Micro USB service interface
6Standardcableglands / connectors*)
7Additionalcablegland / connector*)
*) Optional
Tab. 2 Parts of the EE360

User Manual EE360
Moisture in Oil Sensor | 8
Connection terminal block
RS485
add-on chip
Mounting plate
Space for
optional modules
Back section
Front section
Fig. 2 Modular enclosure
3.2 Dimensions
Values in mm (inch)
Enclosure
Polycarbonate
54 (2.13)
104 (4.09)
5.1 (0.20)
180 (7.09)
166 (6.54)
153 (6.02) 71 (2.80)
Enclosure
Stainless steel
75 (2.95)
5.1 (0.20)
218 (8.58)
200 (7.87)
186 (7.32)
110 (4.33)
73 (2.87)

User Manual EE360
Moisture in Oil Sensor | 9
Probe
code “probe length”1)
code “probe cable length”1)
32
(1.3)
Ø13
(0.51)
Ø12
(0.47)
15 (0.59)
1) Refer to ordering guide
Probe
Minimum insertion depth
23 (1)
Probe
Maximum insertion depth
Max. depth acc. table below
Probe length
[mm (inch)]
Max. insertion depth
[mm (inch)]
100 (2.5) 64 (3.9)
200 (6.5) 164 (7.9)
400 (14.3) 364 (15.8)
600 (22.2) 564 (23.6)
800 (30.1) 764 (31.59)
1000 (38.0) 964 (39.4)
Ball valve set G 1/2" ISO or NPT
155 (6.1)
25
(0.98)
Ø33
(1.30)
G 1/2" ISO
or 1/2" NPT
63 (2.48)
G 1/2" ISO
or 1/2" NPT
60
(2.36)

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Moisture in Oil Sensor | 10
4 Mounting and Installation
4.1 Mechanical Installation
4.1.1. Mounting of the Enclosure
▪ Drill the mounting holes according to the corresponding mounting pattern below.
▪ Mount the back section of the enclosure with 4 screws (screw diameter <4.2 mm (0.2"), not included in the
scope of supply). Values in mm (inch).
54 (2.13) 14 (0.55)
166 (6.54)
5.1 (0.20)7 (0.28)
Fig. 3 Drilling pattern of polycarbonate enclosure
5.1 (0.20)
7 (0.28)
75 (2.95)
200 (7.87)
Fig. 4 Drilling pattern of stainless steel enclosure
4.1.2. DIN Rail Mounting of the Polycarbonate Enclosure
▪ Mount the two DIN rail brackets onto the back section.
(to be ordered separately, see chapter 8 Spare Parts and Accessories)
▪ Snap in the enclosure onto the DIN rail.
Fig. 5 DIN rail installation

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Moisture in Oil Sensor | 11
4.2 Electrical Connection
NOTICE
The electrical installation of the EE360 shall be performed by qualified personnel only. Observe all applicable
national and international requirements for the installation of electrical devices as well as for power supply
according to EN 61140, class III (EU) and class 2 supply (North America).
WARNING
Incorrect installation, wiring or power supply may cause overheating and therefore personal injuries or
damage to property.
For correct cabling of the device, always observe the presented wiring diagram for the product version used.
The manufacturer cannot be held responsible for personal injuries or damage to property as a result of
incorrect handling, installation, wiring, power supply and maintenance of the device.
Connection Diagram
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
V
mA
8 - 35 V DC
12 - 30 V AC
1
2
3
4
5
6
7
8
Modbus RTU
(galvanically isolated)
Analogue outputs
Supply
V
mA
Fig. 6 Electrical connection
Analogue outputs
Both analogue outputs shall be configured to either voltage or current. Measurands, analogue output range and
scaling are freely selectable. All settings can be performed via display and push buttons or using the PCS10
Product Configuration Software, see 6.1 Configuration Interface.
Error indication
The analogue outputs feature an error indication function according to NAMUR NE43. In the case of an error the
output signal will freeze at 21 mA or 11 V respectively.
PLEASE NOTE
The error display is disabled by default.
When changing one of the analogue outputs from current to voltage and vice versa, the second output will
change automatically as well. The output scaling changes automatically if it is out of physical range (i.e. 20 mA
will be changed to 10 V instead of 20 V).
PLEASE NOTE
Check output scale after changing between voltage and current output.

User Manual EE360
Moisture in Oil Sensor | 12
4.2.1. Electrical Connection and Wiring
Option Polycarbonate Enclosure Stainless Steel Enclosure Pin Assignment
Cable
glands
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Standard Option E4
Option E5
Option AM3
Power supply +
analogue output
Power supply +
analogue output
1 x M16x1.5 mounted
1 x M16x1.5 enclosed
M16x1.5
Modbus RTU
Modbus RTU
Analogue output
Modbus RTU
(only with
order code J3)
Power supply
100 - 240 V AC
EE310/EE360 - Electrical connection for stainless steel housing (HS2)
Option E6 Option AM2
2x M16x1.5
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
J4
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
E4
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Standard Option E4
Option E5
Option AM3
Power supply +
analogue output
Power supply +
analogue output
1 x M16x1.5 mounted
1 x M16x1.5 enclosed
M16x1.5
Modbus RTU
Modbus RTU
Analogue output
Modbus RTU
(only with
order code J3)
Power supply
100 - 240 V AC
EE310/EE360 - Electrical connection for stainless steel housing (HS2)
Option E6 Option AM2
2x M16x1.5
1 2
34
5
GND
GND Output
OUT 2
V+ OUT 1
M12 plug
front view
E5
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Standard Option E4
Option E5
Option AM3
Power supply +
analogue output
Power supply +
analogue output
1 x M16x1.5 mounted
1 x M16x1.5 enclosed
M16x1.5
Modbus RTU
Modbus RTU
Analogue output
Modbus RTU
(only with
order code J3)
Power supply
100 - 240 V AC
EE310/EE360 - Electrical connection for stainless steel housing (HS2)
Option E6 Option AM2
2x M16x1.5
GND RS485
(shielded)
RS485 A
(=D+)
N.c.
RS485 B
(=D-)
N.c.
M12 socket
front view

User Manual EE360
Moisture in Oil Sensor | 13
Option Polycarbonate Enclosure Stainless Steel Enclosure Pin Assignment
E6
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU
Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Standard Option E4
Option E5
Option AM3
Power supply +
analogue output
Power supply +
analogue output
1 x M16x1.5 mounted
1 x M16x1.5 enclosed
M16x1.5
Modbus RTU
Modbus RTU
Analogue output
Modbus RTU
(only with
order code J3)
Power supply
100 - 240 V AC
EE310/EE360 - Electrical connection for stainless steel housing (HS2)
Option E6 Option AM2
2x M16x1.5
GND RS485
(shielded)
RS485 A
(=D+)
N.c.
RS485 B
(=D-)
N.c.
Modbus RTU
M12 socket
front view
E12
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
1 2
34
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
M12 plug
front view
AM2
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Standard Option E4
Option E5
Option AM3
Power supply +
analogue output
Power supply +
analogue output
1 x M16x1.5 mounted
1 x M16x1.5 enclosed
M16x1.5
Modbus RTU
Modbus RTU
Analogue output
Modbus RTU
(only with
order code J3)
Power supply
100 - 240 V AC
EE310/EE360 - Electrical connection for stainless steel housing (HS2)
Option E6 Option AM2
2x M16x1.5
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure

User Manual EE360
Moisture in Oil Sensor | 14
Option Polycarbonate Enclosure Stainless Steel Enclosure Pin Assignment
AM3
Option E4
Power supply +
analogue output
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Option E5
Modbus RTU
M16x1.5
Option E6
Modbus RTU Power supply +
analogue output
Option E12
Modbus RTU Power supply +
analogue output
Option AM3
12
3
4
5
GND
GND Output
OUT 2
V+ OUT 1
Power supply + analogue output
Analogue
output
Modbus RTU
(only with order code J3)
Power supply
neutral wire
(N)
grounding
(PE)
phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
n.c.
21
4
3
5
RS485 B
(=D-)
GND RS485
(shielded)
RS485 A
(=D+)
n.c.
Modbus RTU
n.c.
Standard
2x M16x1.5
Option J4
V+
GND
GND
OUT 1
OUT 2
GND RS485
RS485 A (=D+)
RS485 B (=D-)
1
2
3
4
5
6
7
8
6
4
5
3
1
2
NO
NC
C
Standard operation mode
REL 1
NO
NC
C
REL 2
RELAY 2RELAY 1
Option AM2
NC 6
NO 4
C5
NC 3
NO 1
C2
Inverted operation mode
RELAY 2RELAY 1
2x M16x1.5
Ethernet
Modbus TCP
12
3
4
5
n.c.
GND Output
OUT 2
n.c. OUT 1
Analogue output
1
3
neutral wire
(N)
n.c.
phase
(L1)
n.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Standard Option E4
Option E5
Option AM3
Power supply +
analogue output
Power supply +
analogue output
1 x M16x1.5 mounted
1 x M16x1.5 enclosed
M16x1.5
Modbus RTU
Modbus RTU
Analogue output
Modbus RTU
(only with
order code J3)
Power supply
100 - 240 V AC
EE310/EE360 - Electrical connection for stainless steel housing (HS2)
Option E6 Option AM2
2x M16x1.5
GND RS485
(shielded)
RS485 A
(=D+)
N.c.
RS485 B
(=D-)
N.c.
Modbus RTU
M12 socket
front view
1 2
34
5
N.c.
GND Output
OUT 2
N.c. OUT 1
Analogue output
M12 plug
front view
1
3
Neutral (N)
N.c.
Phase (L1) N.c.
Power supply 100 - 240 V AC
for polycarbonate enclosure
Plug, 4 poles
front view
2
4
1
3Neutral wire
(N)
Phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
Plug, 3 poles
front view
2
Grounding
(PE)
1
2 3 Neutral wire
(N)
Ground
(PE)
Phase
(L1)
Power supply 100 - 240 V AC
for stainless steel enclosure
Plug, 3 poles
front view
Tab. 3 Options for electrical connections and wiring
NOTICE
External diameter of the supply cable for option AM3: 10...12 mm (0.39...0.47").
Maximum wire cross section for AM3 connecting cable: 1.5 mm2 (AWG 16) .
External diameter of the cable for Modbus RTU and analogue output female plug: 4...6 mm (0.16...0.24").
Maximal wire cross section for connecting cable: 0.5 mm² (AWG 21).

User Manual EE360
Moisture in Oil Sensor | 15
4.3 Probe Mounting
The probe can be installed in applications such as oil storages with almost non-moving oil or as well in circulation
pipes with moving oil.
NOTICE
In moving oil, the mechanical stress on the probe is minimized by only placing the filter cap into the flow. In
systems with mechanical oil contaminants the sensor may get installed only after an appropiate filter.
4.4 Mounting Pressure Tight Probe
WARNING
General safety instructions for installation
The installation, commissioning and operation of the EE360 may be performed by qualified staff only. Special
attention shall be paid to the correct installation of the probe into the process. In case of inappropriate
installation there is the risk for the probe to be suddenly expulsed due to the pressure in the process.
Bending over the sensing probe should be avoided under any circumstances!
Make sure that the surface of the probe is not damaged during installation. A damaged probe surface may
lead to damaged seals and consequently to leakage and pressure loss.
The probe is rated with leakage rate B according to EN12266-1.
4.4.1. Installation of the Probe Directly in the Process
NOTICE
For direct probe installation shut-off valves shall be placed on both sides of the probe insert (see Fig. 7
Installation of the EE360 probe directly into the process). This allows the sensor probe to be easily removed
for maintenance and calibration.
For direct installation into a pressure chamber make sure that the pressure in the chamber and the ambient
pressure are equal before removing the probe. The temperature during probe installation may deviate by
max. ±40 °C (±72 °F) from the regular temperature during normal operation.
Replace the metal sealing ring (see Fig. 7 ) by a new one every time before re-installing the probe.
Probe installation steps
1. Close both shut-off valves.
2. Place the sensor probe into the probe insert and adjust the immersion depth.
3. Tighten the lock nut with a torque of 30 Nm.
4. Open the shut-off valves.
WARNING
Observe strictly the tightening torque. A torque lower than 30 Nm results in a smaller retention force of the
clamping sleeve. This leads the risk of sudden expulsion of the sensing probe due to the pressure. A torque
higher than 30 Nm may lead to permanent deformation of the clamping sleeve and the sensing probe. This
would make the removal and re-installation of the probe difficult or even impossible.

User Manual EE360
Moisture in Oil Sensor | 16
Fixed installation
(pressure tight up to 20 bar (300 psi))
Stop valve
1/2" ISO or 1/2" NPT
Inside diameter
≥13.1 mm (0.55")
Metal sealing ring
Fig. 7 Installation of the EE360 probe directly into the process
4.4.2. Installation of the Probe with Ball Valve Set
The ball valve set allows for installation and removal of the probe without process interruption.
For mounting into a duct, the ball valve shall be installed perpendicular to the flow direction.
NOTICE
The two metal sealing rings (see Fig. 8 Installation of the probe by utilizing the ball valve set) shall be
replaced every time prior to re-installing the probe.
The temperature during probe installation may deviate by max. ±40 °C (±72 °F) from the regular temperature
during normal operation.
Installation of the probe (see Fig. 8)
1. Install the probe into the ball valve while the ball valve is closed.
2. Open the ball valve.
3. Slide the probe through the ball valve to the desired immersion depth. Depending on the process pressure
additional tools may be necessary for pushing the probe into the process. Make sure not to damage the probe
and the cable.
4. Tighten the lock nut with a torque of 30 Nm.
WARNING
Observe strictly the tightening torque. A torque lower than 30 Nm results a smaller retention force of the
clamping sleeve. This leads the risk of sudden expulsion of the sensing probe due to the pressure. A torque
higher than 30 Nm may lead to permanent deformation of the clamping sleeve and the sensing probe. This
would make the removal and re-installation of the probe difficult or even impossible.

User Manual EE360
Moisture in Oil Sensor | 17
Metal sealing ring
(as a standard contained
with the probe)
1/2" ball valve
Extension
(is not available for
an NPT thread)
Inside diameter
≥13.1 mm (0.55")
Metal sealing ring
(as a standard contained
with the ball valve set)
Clamping sleeve
Lock nut
Adapter body
Sealing element 2
Sealing element 1
Fig. 8 Installation of the probe by utilizing the ball valve set
Removing the probe
1. Hold firmly the probe to avoid it being suddenly expulsed when releasing the lock. Do not bend damage the
probe cable.
2. Loosen slowly the lock nut with a spanner (spanner width 24) only till the probe is pushed out by the
overpressure in the process. Do not completely loosen the lock nut, but only as much as necessary for the
probe to slide.
3. After the probe has been pushed out of the process up to the stop, close the ball valve.
4. Remove the probe from the ball valve.
NOTICE
Observe the correct positioning of the sealing element 1 before reinstalling the probe.
Replacement of the sealing element
In case of repeated installations and removals the sealing element 1 can might damaged. It can be replaced by
the user.
Sealing element 1
O-ring seal 13x1.5 mm
FPV3588 Sh A 60±5

User Manual EE360
Moisture in Oil Sensor | 18
5 Optional Modules
5.1 Alarm Module (Option AM2)
The module offers two freely configurable relay outputs for alarm or control purposes. Various operation modes
are available including switch hysteresis, switch window and error indication. The error modes can be configured
independently from each other. The measurands at the outputs as well as switching points, hysteresis and the
normal state (standard / inverted) can be set via PCS10 Product Configuration Software or using the push-
buttons (see chapter 10.3 Optional Menu, Fig. 40 Alarm output).
Switch Hysteresis Mode
The switching behavior is determined by entering a switching point and an associated hysteresis value.
t
closed
open
closed
open
Normal state: Standard
Normal state: Standard
Terminal 1-2 / 4-5
Terminal 2-3 / 5-6
Switching point
Hysteresis
RH [%]
Fig. 9 Example hysteresis mode on both alarm outputs using
normal state standard
Additionally, detected errors are signaled at the alarm output.
t
closed
open
closed
open
Error occurs
No error
RH [%]
Switching point
Hysteresis
Terminal 2-3
Terminal 5-6
Normal state: Standard
Normal state: Inverted
Fig. 10 Example of hysteresis mode with error occurring.

User Manual EE360
Moisture in Oil Sensor | 19
Switch Window Mode
The switching behavior is determined by entering two switching points and two associated hysteresis values.
t
closed
open
closed
open
Normal state: Standard
Normal state: Standard
Terminal 1-2 / 4-5
Terminal 2-3 / 5-6
Switching point 2
Hysteresis 2
Switching point 1
Hysteresis 1
RH [%]
Fig. 11 Example window mode on both alarm outputs using
normal state standard
Additionally, detected errors are signaled at the alarm output.
Error Indication Mode
When error indication mode is selected, various errors will trigger the alarm output.
t
closed
open
Error occurs
No error
Terminal 5-6 Normal state: Inverted
Fig. 12 Example of error mode on relay 1 using normal state inverted.
PLEASE NOTE
An alarm output in this operation mode is used for error indication only (no combination with switching points
possible).
NO
NC
C
NC 6
NO 4
C5
NC 3
NO 1
C2
NO
NC
C
Standard Inverted
REL 1
REL 2
RELAY 2RELAY 1
For metal enclosure only
PROTECTIVE CONDUCTOR TERMINAL:-
Maximum wire cross section: 1.5 mm2
Fig. 13 Alarm module (option AM2)

User Manual EE360
Moisture in Oil Sensor | 20
WARNING
The metal enclosure must be grounded during operation. National regulations for installation must be observed!
Switch Load
Max. switch load 250 V AC / 6 A
28 V DC / 6 A
Min. switch load 12 V / 100 mA
Tab. 4 Max. and min. switch loads
WARNING
No overcurrent and short circuit protection. Both relays shall be connected to either high or low voltage.
PLEASE NOTE
When error indication mode is selected, various errors will trigger the alarm output. An alarm output in this
operation mode is used for error indication only.
5.2 Integrated Power Supply 100 - 240 V AC (Option AM3)
This module allows the EE360 to be powered with 100 - 240 V AC (50/60 Hz), 2 VA.
Enclosure
Polycarbonate Stainless steel
Fig. 14 Power supply module (option AM3)
Pin assignment of the plug connection (see chapter 4.2.1 Electrical Connection and Wiring)
WARNING
The AM3 option includes a 1.25 A fuse on the 100 - 240 V side. This fuse may not be replaced by the user,
only by the E+E after sales service.
The protection of the supply cable against excess current and short-circuit must be designated to a wire
cross section of 0.8 mm2 (AWG 18) (6A fuse).
The metal enclosure must be grounded during operation.
All national regulations for installation shall be observed!