GEM 539 eSyDrive User manual

GEMÜ 539 eSyDrive
Motorized globe valve
Operating instructions
EN
further information
webcode: GW-539

All rights including copyrights or industrial property rights are expressly reserved.
Keep the document for future reference.
© GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG
21.06.2023
www.gemu-group.com2 / 39GEMÜ 539 eSyDrive

Contents
1 General information ............................................. 4
1.1 Information .................................................... 4
1.2 Symbols used ................................................ 4
1.3 LED symbols .................................................. 4
1.4 Definition of terms ........................................ 4
1.5 Warning notes ............................................... 4
2 Safety information ............................................... 5
3 Product description ............................................. 5
4 Order data ........................................................... 9
5 Technical data ..................................................... 11
6 Electrical connection ........................................... 19
7 Dimensions .......................................................... 22
8 Delivery ............................................................... 27
9 Transport ............................................................. 27
10 Storage ................................................................ 27
11 Installation in piping ............................................ 27
11.1 Preparing for installation .............................. 27
11.2 Installation position ....................................... 28
11.3 Installation with flanged connection ............ 28
12 Network connection ............................................. 28
12.1 Network settings ........................................... 28
12.2 Connecting the network ................................ 28
12.3 Resetting the network settings ..................... 28
13 Commissioning .................................................... 29
13.1 Commissioning on the device ...................... 29
13.2 Commissioning via the eSy-Web web inter-
face ................................................................ 29
13.3 Commissioning via digital input ................... 29
14 Operation ............................................................. 29
14.1 Operation on the device ................................ 29
14.2 Operation via the web server ........................ 29
14.3 Manual override ............................................. 29
15 Inspection and maintenance ................................ 30
15.1 Spare parts .................................................... 30
15.2 Removing the actuator .................................. 31
15.2.1 Removing actuator DN 15 - DN 50 .. 31
15.2.2 Removing actuator DN 65 - DN 100 31
15.3 Replacing the seals ....................................... 31
15.3.1 Replacing the seals DN 15 - DN 50 . 31
15.3.2 Replacing the seals DN 65 - DN
100 .................................................... 31
15.4 Mounting the actuator .................................. 32
15.4.1 Mounting actuator DN 15 - DN 50 ... 32
15.4.2 Mounting actuator DN 65 - DN 100 . 32
16 Troubleshooting .................................................. 33
17 Removal from piping ............................................ 34
18 Disposal .............................................................. 34
19 Returns ................................................................ 34
20 EU Declaration of Incorporation according to the
EC Machinery Directive 2006/42/EC, Annex II B ... 35
21 EU Declaration of Conformity in accordance with
2014/68/EU (Pressure Equipment Directive) ........ 36
22 EU Declaration of Conformity in accordance with
2014/30/EU (EMC Directive) ................................ 37
23 EU Declaration of Conformity In accordance with
2011/65/EU (RoHS Directive) ............................... 38
GEMÜ 539 eSyDrivewww.gemu-group.com 3 / 39

www.gemu-group.com4 / 39GEMÜ 539 eSyDrive
1 General information
1 General information
1.1 Information
- The descriptions and instructions apply to the standard ver-
sions. For special versions not described in this document
the basic information contained herein applies in combina-
tion with any additional special documentation.
- Correct installation, operation, maintenance and repair work
ensure faultless operation of the product.
- Should there be any doubts or misunderstandings, the Ger-
man version is the authoritative document.
- Contact us at the address on the last page for staff training
information.
1.2 Symbols used
The following symbols are used in this document:
Symbol Meaning
Tasks to be performed
Response(s) to tasks
– Lists
1.3 LED symbols
The following LED symbols are used in the documentation:
Symbol LED conditions
Off
Lit (on)
Flashing
1.4 Definition of terms
Working medium
The medium that flows through the GEMÜ product.
1.5 Warning notes
Wherever possible, warning notes are organised according to
the following scheme:
SIGNAL WORD
Type and source of the danger
Possible
symbol for the
specific
danger
Possible consequences of non-observance.
Measures for avoiding danger.
Warning notes are always marked with a signal word and
sometimes also with a symbol for the specific danger.
The following signal words and danger levels are used:
DANGER
Imminent danger!
▶Non-observance can cause death or
severe injury.
WARNING
Potentially dangerous situation!
▶Non-observance can cause death or
severe injury.
CAUTION
Potentially dangerous situation!
▶Non-observance can cause moderate
to light injury.
NOTICE
Potentially dangerous situation!
▶Non-observance can cause damage to
property.
The following symbols for the specific dangers can be used
within a warning note:
Symbol Meaning
Danger of explosion!
Corrosive chemicals!
Hot plant components!
Rotating cover!
Incorrect combination of actuator and valve
body!

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2 Safety information
The safety information in this document refers only to an indi-
vidual product. Potentially dangerous conditions can arise in
combination with other plant components, which need to be
considered on the basis of a risk analysis. The operator is re-
sponsible for the production of the risk analysis and for com-
pliance with the resulting precautionary measures and re-
gional safety regulations.
The document contains fundamental safety information that
must be observed during commissioning, operation and main-
tenance. Non-compliance with these instructions may cause:
- Personal hazard due to electrical, mechanical and chemical
effects.
- Hazard to nearby equipment.
- Failure of important functions.
- Hazard to the environment due to the leakage of dangerous
substances.
The safety information does not take into account:
- Unexpected incidents and events, which may occur during
installation, operation and maintenance.
- Local safety regulations which must be adhered to by the
operator and by any additional installation personnel.
Prior to commissioning:
1. Transport and store the product correctly.
2. Do not paint the bolts and plastic parts of the product.
3. Carry out installation and commissioning using trained
personnel.
4. Provide adequate training for installation and operating
personnel.
5. Ensure that the contents of the document have been fully
understood by the responsible personnel.
6. Define the areas of responsibility.
7. Observe the safety data sheets.
8. Observe the safety regulations for the media used.
During operation:
9. Keep this document available at the place of use.
10. Observe the safety information.
11. Operate the product in accordance with this document.
12. Operate the product in accordance with the specifications.
13. Maintain the product correctly.
14. Do not carry out any maintenance work and repairs not de-
scribed in this document without consulting the manufac-
turer first.
In cases of uncertainty:
15. Consult the nearest GEMÜ sales office.
3 Product description
3.1 Construction
1
2
4
3
5
6
7
8
Item Name Materials
1 O-rings EPDM
2 Electrical connections
3 Actuator base 1.4301 / 1.4305
4 Distance piece with leak
detection hole
1.4408
5 Valve body 1.4408, SG iron
6 Optical position indicator PESU
7 Cover with high visibility
LED, manual override and
on-site control
PESU
8 Actuator top PESU black
3 Product description

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3 Product description
3.2 Buttons for on-site control
8
9
10
Fig.1: Position of the buttons
Item Name Function
8 DIP switch, "ON-
site" control
Switches the on-site
control on the device
on or off
9 "OPEN" button Moves actuator to the
open position
Resets the network
settings
10 "INIT/CLOSE" but-
ton
Moves actuator to the
closed position
Starting initialisation
3.3 LED displays
3.3.1 On-site status LEDs
LED MODE LED PWR
Fig.2: Position of the status LEDs
The user checks the following conditions directly on-site at
the valve using LED MODE and LED PWR:
Function LED MODE LED PWR
Yellow Blue Green Red
Automatic oper-
ation
Manual opera-
tion
Actuator
switched off
(OFF mode)
Manual opera-
tion (on-site)
Software update
alternating
On-site initialisa-
tion (buttons)
Remote initial-
isation (via Di-
gIn)

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Function LED MODE LED PWR
Yellow Blue Green Red
Operation via
emergency
power supply
module
3.3.2 High visibility LEDs
11
11 11
11 11
11
Fig.3: Position of the high visibility LEDs
Item Name
11 High visibility LEDs
Function High visibility LED
green orange
OPEN position Position indicator
LEDs
standard
OPEN position Position indicator
LEDs
inversed
CLOSED position Position indicator
LEDs
standard
CLOSED position Position indicator
LEDs
inversed
Position unknown (e.g. 50%)
Function High visibility LED
green orange
Initialization
alternating
Location function
3.4 Description
The GEMÜ 539 eSyDrive is a motorized 2/2-way globe valve
with a hollow shaft electric actuator. The eSyDrive hollow
shaft actuator can be operated as On/Off or with integrated
positioner or process controller. The valve spindle is sealed by
a self-adjusting gland packing providing low-maintenance and
reliable valve spindle sealing even after a long service life. A
wiper ring fitted in front of the gland packing protects the seal
against contamination and damage. An integral optical and
electrical position indicator is standard.
3.5 Function
The product controls or regulates (depending on version) a
flowing medium by being closed or opened by a motorized ac-
tuator.
The product has an optical position indicator as standard. The
optical position indicator indicates the OPEN and CLOSED po-
sitions.
3 Product description

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3 Product description
3.6 Correct use
DANGER
Danger of explosion!
▶Risk of death or severe injury
●Do not use the product in potentially
explosive zones.
WARNING
Improper use of the product!
▶Risk of severe injury or death
▶Manufacturer liability and guarantee will be void
●Only use the product in accordance with the operating
conditions specified in the contract documentation and in
this document.
The product is designed for installation in piping systems and
for controlling a working medium.
The product is not intended for use in potentially explosive
areas.
●Use the product in accordance with the technical data.
3.7 Product label
The product label is located on the actuator. Product label
data (example):
Design in accordance with order data
Device-specific data
Year of manufacture
Item number Traceability number Consecutive number
- XXXXXXXX|YYYY
The month of manufacture is encoded in the traceability num-
ber and can be obtained from GEMÜ. The product was manu-
factured in Germany.
The operating pressure stated on the product label applies to
a media temperature of 20 °C. The product can be used up to
the maximum stated media temperature. You can find the
pressure/temperature correlation in the technical data.

4 Order data
The order data provide an overview of standard configurations.
Please check the availability before ordering. Other configurations available on request.
Order codes
1 Type Code
Globe valve, motorized,
electro-mechanical hollow shaft actuator,
eSyDrive
539
2 DN Code
DN 15 15
DN 20 20
DN 25 25
DN 32 32
DN 40 40
DN 50 50
DN 65 65
DN 80 80
DN 100 100
3 Body configuration Code
2/2-way body D
4 Connection type Code
Flange EN 1092, PN 16, form B,
face-to-face dimension FTF EN 558 series 1, ISO 5752,
basic series 1
8
Flange EN 1092, PN 25, form B,
face-to-face dimension FTF EN 558 series 1, ISO 5752,
basic series 1
10
Flange EN 1092, PN 40, form B,
face-to-face dimension FTF EN 558 series 1, ISO 5752,
basic series 1
11
Flange ANSI Class 125/150 RF,
face-to-face dimension FTF EN 558 series 1, ISO 5752,
basic series 1,
length only for body configuration D
39
Flange JIS 20K,
face-to-face dimension FTF EN 558 series 10,
ASME/ANSI B16.10 table 1, column 16,
DN 50 drilled to JIS 10K
48
5 Valve body material Code
1.4408, investment casting 37
EN-GJS-400-18-LT (GGG 40.3) 90
6 Seat seal Code
PTFE 5
PTFE, glass fibre reinforced 5G
1.4404 10
7 Voltage/frequency Code
24V DC C1
8 Control module Code
OPEN/CLOSE, positioner and process controller L0
9 Regulating cone Code
Please find the number of the optional regulating cone
(R-No.) for the linear or equal-percentage modified
regulating cone in the Kv value table.
R….
10 Actuator version Code
Actuator size 0 0A
Actuator size 1 1A
Actuator size 2 2A
11 Special version Code
Special version for oxygen,
maximum medium temperature: 60°C,
media wetted seal materials and auxiliary materials with
BAM testing
S
12 CONEXO Code
Without
Integrated RFID chip for electronic identification and
traceability
C
4 Order data
www.gemu-group.com 9 / 39 GEMÜ 539 eSyDrive

Order example
Ordering option Code Description
1 Type 539 Globe valve, motorized,
electro-mechanical hollow shaft actuator,
eSyDrive
2 DN 40 DN 40
3 Body configuration D 2/2-way body
4 Connection type 10 Flange EN 1092, PN 25, form B,
face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series 1
5 Valve body material 37 1.4408, investment casting
6 Seat seal 5 PTFE
7 Voltage/frequency C1 24V DC
8 Control module L0 OPEN/CLOSE, positioner and process controller
9 Regulating cone RS916 60 m³/h - mod.EQ
10 Actuator version 2A Actuator size 2
11 Special version S Special version for oxygen,
maximum medium temperature: 60°C,
media wetted seal materials and auxiliary materials with BAM testing
12 CONEXO Without
4 Order data
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5 Technical data
5.1 Medium
Working medium: Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and
chemical properties of the body and seal material.
Max. permissible viscos-
ity:
600 mm²/s
Other versions for lower / higher temperatures and higher viscosities on request.
5.2 Temperature
Media temperature: -10 — 180 °C
Ambient temperature: -10 — 60 °C
Storage temperature: 0 — 40 °C
5.3 Pressure
Operating pressure: DN Actuator version
0A 1A 2A
15 32 - -
20 20 40 -
25 12 32 -
32 - 20 -
40 - 12 25
50 - 8 16
65 - 5 10
80 - 4 6
100 - - 4
Pressures in bar
All pressures are gauge pressures.
For max. operating pressures the pressure / temperature correlation must be observed.
Higher operating pressures on request
Leakage rate: Open/Close valve
Seat seal Standard Test procedure Leakage rate Test medium
Metal DIN EN 12266-1 P12 F Air
EPDM, FKM, PTFE DIN EN 12266-1 P12 A Air
Control valve
Seat seal Standard Test procedure Leakage rate Test medium
Metal DIN EN 60534-4 1 IV Air
PTFE, FKM, EPDM DIN EN 60534-4 1 VI Air
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5 Technical data

Pressure/temperature
correlation:
Connection
type
code 1)
Material
code 2)
Max. allowable operating pressures in bar at temperature in °C
RT 100 150 200
8 37 16.0 16.0 14.5 13.4
10 37 25.0 25.0 22.7 21.0
11 37 40.0 40.0 36.3 33.7
39 37 19.0 16.0 14.8 13.6
8 90 16.0 16.0 15.5 14.7
39 90 17.0 16.0 14.8 13.9
1) Connection type
Code 8: Flange EN 1092, PN 16, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series
1
Code 10: Flange EN 1092, PN 25, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic
series 1
Code 11: Flange EN 1092, PN 40, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic
series 1
Code 39: Flange ANSI Class 125/150 RF, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic
series 1, length only for body configuration D
2) Valve body material
Code 37: 1.4408, investment casting
Code 90: EN-GJS-400-18-LT (GGG 40.3)
Kv values: Open/Close valve
DN
15 4.6
20 8.0
25 13.0
32 22.0
40 35.0
50 50.0
65 90.0
80 127.0
100 200.0
Kv values in m³/h
Kv values determined in accordance with DIN EN 60534. The Kv value specifications refer to the largest actu-
ator for the respective nominal size. The Kv values for other product configurations (e.g. other connections or
body materials) may differ.
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5 Technical data

Control valve: Standard regulating cone (DIN)
DN Kv values Operating
pressure
Actuator
version
linear Equal
percentage
15 4.0 32 0A RS851 RS861
20 6.3 20 0A RS852 RS862
25 10.0 12 0A RS853 RS863
10.0 32 1A RS854 RS864
32 16.0 20 1A RS855 RS865
40 25.0 12 1A RS856 RS866
25.0 20 2A RS784 RS794
50 40.0 8 1A RS857 RS867
40.0 16 2A RS785 RS795
65 63.0 5 1A - RS868
80.0 10 2A - RS796
80 90.0 4 1A - RS869
80 100.0 6 2A - RS798
100 160.0 4 2A RS799
Kv values in m³/h
Pressures in bar
Standard regulating cone with reduced seat
DN Kv values Operating
pressure
Actuator ver-
sion
linear equal
percentage
15 0.10 1) 40 0A RA104 RA307
0.16 1) 40 0A RB110 RA309
0.25 1) 40 0A RB111 RB307
0.40 1) 40 0A RB112 RB308
0.63 1) 40 0A RC107 RC307
1.00 1) 40 0A RC108 RC308
1.60 40 0A RD107 RD307
2.50 40 0A RE110 RE310
20 1.60 40 0A RD108 RD308
2.50 40 0A RE111 RE311
4.00 40 0A RF113 RF313
25 2.50 40 0A RE112 RE312
4.00 40 0A RF114 RF314
6.30 32 0A RG115 RG315
32 4.00 40 0A RF115 RF315
6.30 36 0A RG116 RG316
10.00 20 0A RH110 RH310
40 6.30 35 0A RG117 RG317
10.00 20 0A RH111 RH311
16.00 12 0A RJ107 RJ307
50 2) 10.00 18 0A RH112 RH312
16.00 12 0A RJ108 RJ308
25.00 19 1A RK104 RK304
Kv values in m³/h
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5 Technical data

Control valve: 1) metal seated
2) only for connection type code 8, 39, 48
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5 Technical data

5.4 Product compliance
Machinery Directive: 2006/42/EC
Pressure Equipment Dir-
ective:
2014/68/EU
Food: Regulation (EC) No. 1935/2004*
Regulation (EC) No. 10/2011*
FDA*
* depending on version and / or operating parameters
EMC Directive: 2014/30/EU
Technical standards used:
Interference resistance EN IEC 61000-6-2:2019
EN 61326-1 (Industry)
EN IEC 61800–3:2018
Interference emission EN IEC 61000-6-4:2019 (only actuator size 0 and actu-
ator size 1)
EN 61326-1:2013 (Industry) (only actuator size 0 and ac-
tuator size 1)
EN IEC 61800-3:2018 (all actuator sizes)
The product is intended for operation in industrial envir-
onments.
5.5 Mechanical data
Protection class: IP 65 acc. to EN 60529
Actuating speed: Actuator version 0A adjustable, max. 6 mm/s
Actuator version 1A adjustable, max. 6 mm/s
Actuator version 2A adjustable, max. 4 mm/s
Weight: Actuator
Actuator version 0A 1.8 kg
Actuator version 1A 3.0 kg
Actuator version 2A 9.0 kg
Body
Connection types 8, 11, 39, 40 8, 10, 13, 47 8, 10, 39
Valve body Flange K512 Flange K514 Flange K534
DN
15 3.40 1.80 2.20
20 4.60 2.50 3.00
25 6.80 3.10 3.70
32 8.80 4.60 5.30
40 10.90 5.10 6.30
50 14.50 7.20 8.40
65 21.70 - -
80 29.20 - -
100 37.10 - -
Weights in kg
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5 Technical data

5.6 Actuator duty cycle and service life
Service life: Control operation - Class C acc. to EN 15714-2 (1,800,000 start-ups and 1200 start-ups per hour).
Open / Close duty - Minimum 1,000,000 switching cycles at room temperature and permissible
duty cycle.
Duty cycle: Control operation - Class C acc. to EN 15714-2.
Open/Close duty - 100%
5.7 Electrical data
Supply voltage: Actuator size 0 Actuator size 1 Actuator size 2
Voltage Uv = 24 V DC ± 10%
Rating Max. 28 W Max. 65 W Max. 120 W
Reverse battery protec-
tion
Yes
5.7.1 Analogue input signals
5.7.1.1 Set value
Input signal: 0/4 - 20 mA; 0 – 10 V DC (selectable using software)
Input type: passive
Input resistance: 250 Ω
Accuracy/linearity: ≤ ±0.3% of full flow
Temperature drift: ≤ ±0.1% / 10°K
Resolution: 12 bit
Reverse battery protec-
tion:
No
Overload proof: Yes (up to ± 24 V DC)
5.7.1.2 Process actual value
Input signal: 0/4 - 20 mA; 0 – 10 V DC (selectable using software)
Input type: passive
Input resistance: 250 Ω
Accuracy/linearity: ≤ ±0.3% of full flow
Temperature drift: ≤ ±0.1% / 10°K
Resolution: 12 bit
Reverse battery protec-
tion:
No
Overload proof: Yes (up to ± 24 V DC)
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5 Technical data

5.7.2 Digital input signals
Digital inputs: 3
Function: Can be selected using software
Voltage: 24 V DC
Logic level "1": >14 V DC
Logic level "0": < 8 V DC
Input current: typ. 2.5 mA (at 24 V DC)
5.7.3 Analogue output signals
5.7.3.1 Actual value
Output signal: 0/4 - 20 mA; 0 – 10 V DC (selectable using software)
Output type: Active (AD5412)
Accuracy: ≤ ±1% of full flow
Temperature drift: ≤ ±0.1% / 10°K
Load resistor: ≤ 750 kΩ
Resolution: 10 bit
Overload proof: Yes (up to ± 24 V DC)
Short-circuit proof: Yes
5.7.4 Digital output signals
5.7.4.1 Switching outputs 1 and 2
Design: 2x make contact, potential-free
Switching voltage: max. 48 V DC / 48 V AC
Switch rating: max. 60 W / 2A
Switch points: Adjustable 0 - 100 %
5.7.4.2 Switching output 3
Function: Signal fault
Type of contact: Push-Pull
Switching voltage: Supply voltage
Switching current: ≤ 0.1 A
Drop voltage: Max. 2.5 V DC at 0.1 A
Overload proof: Yes (up to ± 24 V DC)
Short-circuit proof: Yes
Pull-Down resistance: 120 kΩ
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5 Technical data

5.7.5 Communication eSy-Web
Interface: Ethernet
Function: Parameterisation via web browser
IP address: 192.168.2.1 alterable via web browser
Subnet screen: 255.255.252.0 alterable via web browser
The actuator and the PC must be in the same network to use the web server. The IP address of the actuator is entered in the
web browser and the actuator can then be parametrised. In order to use more than one actuator, a definitive IP address must be
assigned to each actuator in the same network.
5.7.6 Communication Modus TCP
Interface: Modbus TCP
IP address: 192.168.2.1 alterable via web browser
Subnet screen: 255.255.252.0 alterable via web browser
Port: 502
Supported function
codes:
Code Dezimal Code Hex Function
3 0x03 Read Holding Registers
4 0x04 Read Input Registers
6 0x06 Write Single Register
16 0x10 Write Multiple Registers
23 0x17 Read / Write Multiple Registers
5.7.7 Behaviour in the event of an error
Function: In the event of an error the valve moves to the error position.
Notes: Moving to the error position is only possible with full power supply. This behaviour is not a
safety position. The valve must be operated with a GEMÜ 1571 emergency power supply module
(see accessories) to ensure the function in case of voltage loss.
Error position: Closed, open or hold (adjustable via eSy-web web interface).
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5 Technical data

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6 Electrical connection
NOTICE
Appropriate cable socket / appropriate mating connector!
▶The appropriate cable socket and/or appropriate mating
connector is included for X1, X3 and X4.
▶The appropriate cable socket and/or appropriate mating
connector is not included for X2.
NOTICE
Damage to unused plugs due to penetration of humidity!
▶Unused plugs must be covered with the protective caps
supplied with the product to ensure IP protection.
X3
X2 X4
X1
Fig.4: Overview of electrical connections
6 Electrical connection

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6 Electrical connection
6.1 Connection X1
13
2
654
7-pin plug, Binder, type 693
Pin Signal name
Pin 1 Uv, 24 V DC supply voltage
Pin 2 Uv GND
Pin 3 Relay output K1, common
Pin 4 Relay output K1, make contact
Pin 5 Relay output K2, common
Pin 6 Relay output K2, make contact
Pin PE Function earth
6.2 Connection X2
15
4
3
2
5-pin M12 built-in socket, D-coded
Pin Signal name
Pin 1 Tx + (Ethernet)
Pin 2 Rx + (Ethernet)
Pin 3 Tx - (Ethernet)
Pin 4 Rx - (Ethernet)
Pin 5 Shield
6.3 Connection X3
6
5
3
2
47
8
1
8-pin M12 plug, A-coded
Pin Signal name
Pin 1 W+ set value input
Pin 2 W – set value input
Pin 3 X + actual value output
Pin 4 GND (actual value output, digital input 1 – 3, er-
ror message output)
Pin 5 Error message output 24 V DC
Pin 6 Digital input 3
Pin 7 Digital input 1
Pin 8 Digital input 2
6.4 Connection X4
1
4
3
2
4-pin M12 built-in socket, A-coded
Pin Signal name
Pin 1 UV, 24 V DC actual value supply
Pin 2 n.c.
Pin 3 GND (actual value supply, actual value input)
Pin 4 X+, process actual value input
Pin 5 n.c.
6.5 Connecting the valve electrically
1. Protect the electrical connections from direct contact with
rain water.
2. Lay the cables and pipework so that neither condensate
nor rain water can get into the plug unions.
3. Check that all plug cable glands and fittings are mechanic-
ally secured.
ðThe cable must be held firmly on all sides.
4. Check whether the actuator cover/manual override is
closed and undamaged.
5. Correctly close the actuator cover/manual override again
immediately after use (see chapter "Manual override" (see
“Manual override“, page29)).
6. Correctly close the product again after replacing the dia-
phragm (see chapter "Diaphragm replacement").