Stahl 9162 Series User manual

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Manual
Additional languages www.stahl-ex.com
EN
Transmitter Supply Unit with
Limit Values
Series 9162

2Transmitter Supply Unit with Limit Values
Series 9162
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Contents
1 General Information ............................................................................................3
1.1 Manufacturer .......................................................................................................3
1.2 Information about the manual .............................................................................3
1.3 Further documents ..............................................................................................3
1.4 Conformity with standards and regulations .........................................................3
2 Explanation of the symbols .................................................................................4
2.1 Symbols used in this manual ..............................................................................4
2.2 Warning notes .....................................................................................................4
2.3 Symbols on the device ........................................................................................5
3 Safety notes ........................................................................................................5
3.1 Storage of the manual .........................................................................................5
3.2 Safe use ..............................................................................................................5
3.3 Modifications and alterations ..............................................................................6
4 Function and device design ................................................................................7
4.1 Function ..............................................................................................................7
4.2 Device design .....................................................................................................7
5 Technical data .....................................................................................................8
6 Engineering .......................................................................................................12
7 Transport and storage .......................................................................................12
8 Mounting and installation ..................................................................................13
8.1 Dimensions / fastening dimensions ..................................................................13
8.2 Mounting / dismounting, operating position ......................................................13
8.3 Installation .........................................................................................................16
9 Parameterization and commissioning ...............................................................17
9.1 Replacement of the device ...............................................................................18
9.2 Parameterizations .............................................................................................18
10 Operation ..........................................................................................................19
10.1 Indications .........................................................................................................19
10.2 Troubleshooting ................................................................................................19
11 Maintenance and repair ....................................................................................20
11.1 Maintenance .....................................................................................................20
11.2 Maintenance .....................................................................................................20
11.3 Repair ...............................................................................................................20
11.4 Returning the device .........................................................................................20
12 Cleaning ............................................................................................................21
13 Disposal ............................................................................................................21
14 Accessories and Spare parts ...........................................................................21

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General Information
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Transmitter Supply Unit with Limit Values
Series 9162
1 General Information
1.1 Manufacturer
R. STAHL Schaltgeräte GmbH
Am Bahnhof 30
74638 Waldenburg
Germany
Phone: [phone]
Fax: [phone]
Internet: www.stahl-ex.com
E-Mail: [email protected]
1.2 Information about the manual
ID-No.: 916260330020
Publication Code: 2018-03-08·HB00·III·en·02
Hardware version: C
Software version: V01-06
Configuration software ISpac Wizard 3.04.00 or subsequent versions
The original instructions are the English edition.
They are legally binding in all legal affairs.
1.3 Further documents
• Cabinet installation guide
• Brief instructions for module parameterising with ISpac Wizard
(see ISpac Wizard software)
• FMEDA report
• Safety manual 9162
• Data sheet 9162 Ex i
• Data sheet 9162
• Operating instructions 9162
For further languages, see www.stahl-ex.com.
1.4 Conformity with standards and regulations
See certificates and EC Declaration of Conformity: www.stahl-ex.com.
The device has IECEx approval. See IECEx homepage: http://iecex.iec.ch/
Further national certificates can be downloaded via the following link:
http://www.r-stahl.com/downloads/certificates.html.

Explanation of the symbols
4916260330020
2018-03-08·HB00·III·en·02
Transmitter Supply Unit with Limit Values
Series 9162
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2 Explanation of the symbols
2.1 Symbols used in this manual
2.2 Warning notes
Warnings must be observed under all circumstances, in order to minimize the risk due
to construction and operation. The warning notes have the following structure:
• Signalling word: DANGER, WARNING, CAUTION, NOTICE
• Type and source of danger/damage
• Consequences of danger
• Taking countermeasures to avoid the danger or damage
Symbol Meaning
Tips and recommendations on the use of the device
General danger
Danger due to explosive atmosphere
Danger due to energised parts
DANGER
Danger to persons
Non-compliance with the instruction results in severe or fatal injuries
to persons.
WARNING
Danger to persons
Non-compliance with the instruction can result in severe or fatal injuries
to persons.
CAUTION
Danger to persons
Non-compliance with the instruction can result in light injuries to persons.
NOTICE
Avoiding material damage
Non-compliance with the instruction can result in material damage to the device and / or
its environment.

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Safety notes
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Transmitter Supply Unit with Limit Values
Series 9162
2.3 Symbols on the device
3 Safety notes
3.1 Storage of the manual
• Read the manual carefully.
• Store the manual at the mounting location of the device.
• Observe applicable documents and operating instructions of the devices
to be connected.
3.2 Safe use
Before mounting
• Read and observe the safety notes in this manual!
• Ensure that the contents of this manual is fully understood by the personnel in charge.
• Use the device in accordance with its intended and approved purpose only.
• Always consult with R. STAHL Schaltgeräte GmbH if using the device under operating
conditions which are not covered by the technical data.
• Observe the document "Cabinet installation guide" for engineering (download from
www.stahl-ex.com, product documentation, subitem "Engineering").
• We cannot be held liable for damage caused by incorrect or unauthorized use of
the device or by non-compliance with this manual.
• Install the device in Zones 2, 22 or outside of hazardous areas.
• When used in Zones 2 or 22, the device must be built into an enclosure which
corresponds to the requirements of IEC/EN 60079-15 or IEC/EN 60079-31.
• Any damage may compromise the explosion protection.
Symbol Meaning
05594E00
CE marking according to the current applicable directive.
02198E00
According to marking, electric circuit certified for hazardous areas.
15649E00
Input
15648E00
Output
Please refer to this documentation for safety information

Safety notes
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Transmitter Supply Unit with Limit Values
Series 9162
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For mounting and installation
• Observe national installation regulations (e.g. IEC/EN 60079-14).
• Observe national safety and accident prevention regulations.
• During installation and operation, observe the information (characteristic values
and rated operating conditions) on the rating, data and information plates located
on the device.
• Before installation, make sure that the device is not damaged.
• Electric circuits with type of protection "Ex i" operated with circuits with other types of
protection can no longer be operated as circuits with type of protection "Ex i" after that.
• When used in Zones 2 and 22, the intrinsically safe devices of Zones 1, 0, 21
and 20 can be connected to the intrinsically safe signal circuits.
• The safety characteristic values of the connected field devices must correspond
to the specifications in the data sheet or in the EC Type Examination Certificate.
• Interconnecting several devices in a single intrinsically safe circuit can result in
different safety characteristic values. This may impair intrinsic safety!
• Before carrying out work on the device, the body's own voltage must be discharged
on earthed metal parts or an ESD wrist strap must be put on.
• Connect the device only to equipment which does not carry voltages higher than
253 V AC (50 Hz).
• Ensure that there is a distance of at least 50 mm (tight string length) between
connecting units of intrinsically safe and non-intrinsically safe circuits when
setting up field circuits.
• The power supply of 24 V DC must be able to bridge brief interruptions of 20 ms
in order to ensure power failure bridging according to IEC/EN 61326-3-2 and NE 21.
Maintenance, repair, commissioning
• Before commissioning, make sure that the device is not damaged.
• Work on the device, such as installation, maintenance, overhaul, repair,
may only be carried out by appropriately authorised and trained personnel.
• Perform only maintenance work or repair described in this manual.
• For SIL applications observe the safety manual and FMEDA reports.
• Make sure to use suitable cables and cable glands for temperatures below -20 °C.
• The configuration interface of the device can only be connected to a non-sparking
equipment with low power rating (according to IEC/EN 60079/15, chapter 13)
or for maintenance purposes in compliance with IEC/EN 60079-17, chapter 4.6.
3.3 Modifications and alterations
DANGER
Explosion hazard due to modifications and alterations to the device!
Non-compliance results in severe or fatal injuries.
• Do not modify or alter the device.
No liability or warranty for damage resulting from modifications and
alterations.

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Function and device design
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Transmitter Supply Unit with Limit Values
Series 9162
4 Function and device design
4.1 Function
Application range
The transmitter supply unit with limiting values is used for operation of 2- and 3-wire
transmitters or for connection to mA sources. It is suitable for use in Zone 2, Zone 22
or in the safe area.
The device type 9162/13-11-14 is solely used for operation of intrinsically safe
transmitters or for connection of intrinsically safe mA sources.
In contrast, the device type 9162/13-11-64 can either be used for intrinsically safe
and for non-intrinsically safe transmitters or mA sources.
Mode of operation
The 2- and 3-wire transmitters are supplied with auxiliary power by the transmitter supply
unit. Two limiting values can be defined with which the analog input signal is compared.
Exceeding or falling below the limiting values controls the electrical contacts.
The device can transmit a superimposed HART communication signal bidirectionally.
The parameters of the device can be adjusted using the ISpac Wizard software.
4.2 Device design
DANGER
Explosion hazard due to improper use!
Non-compliance results in severe or fatal injuries.
• The device may only be used according to the operating conditions
described in this manual.
• Use the device only for the intended purpose specified in this manual.
#Device component Description
15202E00
1 Black/green
terminals
Connection terminals for the safe area
2 Parameterization
interface
Configuration of the device by means
of ISpac Wizard software Type "9199"
3 "PWR" LED, green Auxiliary power indication
4 "LF" LED, red Indication of line fault detection
5 "A" / "B" LED, yellow Indication for limit contacts A and B
6 DIP switch "RL" Release the anti-pumping device
7 Blue/black terminals Connection terminals for the field area
2
3
5
1
7
6
4
9162

Technical data
8916260330020
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Transmitter Supply Unit with Limit Values
Series 9162
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5 Technical data
Marking
Type designation 9162/13-11-a4 (a=1,6)
CE marking C0158
Type 9162/13-11-14
Explosion Protection
Global (IECEx)
Gas and dust IECEx BVS 15.0013X
Ex nA nC [ia Ga] IIC T4 Gc
[Ex ia Da] IIIC
Europe (ATEX)
Gas and dust BVS 15 ATEX E018X
E II 3 (1) G Ex nA nC [ia Ga] IIC T4 Gc
E II (1) D [Ex ia Da] IIIC
Certifications and certificates
Certificates IECEx, ATEX, Canada (cFM), USA (FM)
Safety data
When connecting
transmitters
When connecting
current sources
2-wire transmitter 3-wire transmitter
max. voltage Uo27 V 27 V
max. current Io87.9 mA 88.3 mA
max. power Po574 mW 574 mW
max. connectable capacitance Co
IIC 90 nF 90 nF
max. connectable inductance Lo
IIC 2.3 mH 2.3 mH
internal capacitance Cinegligible negligible
internal inductance Linegligible negligible
Safety-related
maximum voltage
253 V 253 V
max. output voltage Uo4.1 V
max. output current Io~ 0 mA
Max. output power Po~ 0 mW
max. connectable voltage Ui30 V
max. connectable current Ii100 mA
internal capacitance Cinegligible
internal inductance Linegligible

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Technical data
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Transmitter Supply Unit with Limit Values
Series 9162
Type 9162/13-11-64
Type 9162/13-11-14 + Type 9162/13-11-64
Explosion Protection
Global (IECEx)
Gas IECEx BVS 15.0013X
Ex nA nC IIC T4 Gc
Europe (ATEX)
Gas BVS 15 ATEX E017X
E II 3 G Ex nA nC IIC T4 Gc
Certifications and certificates
Certificates IECEx, ATEX, Canada (cFM), USA (FM)
Technical Data
Electrical data
Auxiliary power
Nominal voltage
UN
24 V DC
Voltage range 18 ... 31.2 V
Residual ripple ( 3.6 VSS
Nominal current
at UN, 20 mA
85 mA
Power
consumption
at UN, 20 mA
2 W
Power dissipation
at UN, RL = 250 Ω
1.5 W
Polarity reversal
protection
yes
Operation
indication
LED green "PWR"
Undervoltage
monitoring
yes (no faulty devices / output states)

Technical data
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Transmitter Supply Unit with Limit Values
Series 9162
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Input
Input signal 4 ... 20 mA with HART
Functional range 2 ... 22 mA
Max. input current
for mA sources
50 mA
Supply voltage
for transmitter
) 16 V at 20 mA (TAmb > - 10 °C, TAmb < -10 °C: US - 0.2 V / 10K)
Residual ripple
of supply voltage
( 25 mVeff
Open-circuit
voltage
( 26 V
Short-circuit
current
( 35 mA
Input resistance
(AC impedance
HART)
> 250 Ω
Input resistance
for mA sources
30 Ω
Communication
signal
bidirectional HART transmission, 0.5 ... 10 kHz (in 2-wire transmitters)
Output
Output signal 4 ... 20 mA with HART
Load resistance
RL
0 ... 600 Ω (terminal 1+ / 2-)
Functional range 2 ... 22 mA
Residual ripple ( 40 μAeff
Communication
signal
bidirectional HART transmission, 0.5 ... 10 kHz
Signal delay < 30 ms
Signal rise,
signal drop
< 45 ms
Limiting values
Configuration using ISpac Wizard (V3.04.00 and following)
Message 2 NO
Switching voltage ( ± 30 V
Switching current
(resistive load)
( 170 mA
Switching current,
max. 100 ms
( 750 mA
Switch on
resistance
( 2.5 Ω (typical < 1 Ω )
Reclosing lockout Reset using the DIP switch or "Power-Off" (configurable)
Technical Data

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Technical data
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Transmitter Supply Unit with Limit Values
Series 9162
Type 9162/13-11-14
Switching delay < 80 ms
Switch-back delay < 100 ms
Error detection input
Wire breakage < 3.6 mA
Short circuit > 21 mA
Behaviour of
the output
= Input signal
Ambient conditions
Ambient temperature
Single device -40 ... +70 °C
Group assembly -40 ... +60 °C
The installation conditions affect the ambient temperature.
Observe the "Cabinet installation guide".
Storage temperature -40 ... +80 °C
Relative humidity
(no condensation)
( 95 %
Use at the height of < 2000 m
Technical Data
Mounting / Installation
Connection diagram
13620E01
Technical Data
Division 1
Zone 0 / 1
Division 2
Zone 2
pac Bus-
passive
Field device ISpac Isolator Control system
Hazardous area Safe area

Engineering
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Transmitter Supply Unit with Limit Values
Series 9162
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Type 9162/13-11-64
Type 9162/13-11-14 + Type 9162/13-11-64
For further technical data, see www.stahl-ex.com.
6 Engineering
7 Transport and storage
• Transport and store the device only in the original packaging.
• Store the device in a dry place (no condensation) and vibration-free.
• Do not drop the device.
Technical Data
Mounting / Installation
Connection diagram
13621E01
Technical Data
Mechanical data
Connection
NOTE
Explosion hazard due to too high temperature in the cabinet!
Non-compliance results in severe or fatal injuries!
• Install and adjust the cabinet in such a way that it is always operated within the per-
missible temperature range.
• Carefully observe the "Cabinet installation guide".
pac Bus-
passive
Field device ISpac Isolator Controlsystem
Division 2
Zone 2
Safe area
Screw terminals Spring clamp terminals
Single-wire connection
- rigid
- flexible
- flexible with core end sleeves
(without / with plastic sleeve)
0.2 ... 2.5 mm2
0.2 ... 2.5 mm2
0.25 ... 2.5 mm2
0.2 ... 2.5 mm2
0.2 ... 2.5 mm2
0.25 ... 2.5 mm2
two-wire connection
- rigid
- flexible
- flexible with core end sleeves
0.2 ... 1 mm2
0.2 ... 1.5 mm2
0.25 ... 1 mm2
–
–
0.5 ... 1 mm2

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Mounting and installation
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Transmitter Supply Unit with Limit Values
Series 9162
8 Mounting and installation
The device is approved for use in gas explosion hazardous areas of Zone 2 and dust
explosion hazardous area of Zone 22 and in safe areas.
8.1 Dimensions / fastening dimensions
8.2 Mounting / dismounting, operating position
8.2.1 Mounting / dismounting pac-Bus
The pac-Bus is an accessory which facilitates wiring of the auxiliary power and reading
out of the collective error message.
DANGER
Explosion hazard due to installation without approved field enclosure!
Non-compliance results in severe or fatal injuries!
• In hazardous areas (Zone 2 or 22), the device must be installed in
an enclosure which fulfils the requirements of IEC/EN 60079-15 or
IEC/EN 60079-31.
DANGER
Explosion hazard due to incorrect installation of the device!
Non-compliance results in severe or fatal injuries.
• Carry out installation strictly according to the instructions and national
safety and accident prevention regulations to maintain the explosion
protection.
• Select and install the electrical device so that explosion protection is
not affected due to external influences, i.e. pressure conditions,
chemical, mechanical, thermal and electric impact such as vibration,
humidity and corrosion (see IEC/EN 60079-14).
• The device must only be installed by trained qualified personnel
who is familiar with the relevant standards.
Dimensional drawings (all dimensions in mm [inches]) – Subject to alterations
09685E00
The components for the pac-Bus Type 9194 must be ordered separately.
X
122 4 80[, ]
114,5 4 51[, ]
99 3 90[, ] 17,6 [0,69]
Dimension X
Screw terminals 108 mm / 4.25″
Spring clamp
terminals
128 mm / 5.04″

Mounting and installation
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Transmitter Supply Unit with Limit Values
Series 9162
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Mounting
Dismounting
• Proceed in the reverse order to mounting.
8.2.2 Mounting / dismounting of the device on top hat rail and pac-Bus
Mounting on top hat rail
Mounting on pac-Bus
07392E00
• Connect the required number of pac-Bus elements.
07391E00
• Engage the pac-Bus elements on the top hat rail.
15551E00
• Connect the terminal set at the beginning and at the end.
06886E00
• Position the device on the top hat rail.
Position the cut-out of the enclosure on the outside
edge of the top hat rail.
• Engage the device on the top hat rail.
• When swivelling the device onto the top hat rail,
make sure that it is not set at an angle.
15554E00
The pac-Bus is equipped with a polarisation guide and
the device with a matching slot.
• Position the device as shown in the illustration.
Position the cut-out of the enclosure on the outside
edge of the top hat rail.
• Engage the device on the pac-Bus.

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Transmitter Supply Unit with Limit Values
Series 9162
Dismounting
8.2.3 Mounting / dismounting on pac-Carrier
Mounting
Dismounting
06881E00
• Pull out the base bolt somewhat using a screwdriver.
• Swivel out the device.
12613E00
• Remove the black and green terminals.
• For single-channel devices: remove the covering
in terminal slot 2 (between the black and the green
terminal).
15569E00
• Position the device on the pac-Carrier. Place the cut-out
of the enclosure on the outside edge of the pac-Carrier.
• When pivoting the device onto the pac-Carrier,
make sure that it is not set at an angle.
• Swivel in the device up to the red notch lever.
• Close red notch lever by applying diagonal pressure
on the lever with the thumb until the lever engages audibly
at the device.
• Ensure that the red notch lever is engaged.
15574E00
• Swivel out the notch lever using a screwdriver.
• Swivel device out of the slot.

Mounting and installation
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Transmitter Supply Unit with Limit Values
Series 9162
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8.2.4 Mounting / dismounting pluggable terminals
All devices are equipped with pluggable terminals.
Mounting
• Plug the terminal into the device until the terminal engages.
Dismounting
8.3 Installation
8.3.1 Electrical connections
10859E00
• Position the screwdriver behind the terminal.
• Push out the terminal.
Operation under difficult conditions, such as, in particular, on ships,
requires additional measures to be taken for correct installation,
depending on the place of use. Further information and instructions
on this can be obtained from your regional sales contact on request.
DANGER
Explosion hazard caused by too high voltage!
Non-compliance results in severe or fatal injuries.
• Connect the device only to equipment with internal voltage
Um: max. 253 V AC / 50 Hz.
• Connect the device only to intrinsically safe terminals.
DANGER
Explosion hazard due to incorrect safety characteristic values of the device
or connected field devices!
Non-compliance results in severe or fatal injuries.
• Check safety characteristic values of the device and connected field
devices according to the national installation guidelines.
NOTICE
Device failure due to electrostatically overcharged components!
Non-compliance can result in material damage!
• Before carrying out work on the device, the body's own voltage must be discharged
on earthed metal parts or an ESD wrist strap must be put on.

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Parameterization and commissioning
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Transmitter Supply Unit with Limit Values
Series 9162
8.3.2 Schematic diagrams
See technical data or device labelling.
Input wiring (blue / black terminals with pins 10,11,12):
Output wiring (black terminals with pins 1, 2):
8.3.3 Connection of supply
9 Parameterization and commissioning
Before commissioning, ensure the following:
• Installation of the device according to regulations.
• Correct connection of the cables.
• No damage at the device and connection cables.
• Tight seat of the screws at the terminals. Correct tightening torque: 0.5 ... 0.6 Nm.
2-wire transmitter 3-wire transmitter mA source
15539E00 15540E00
15541E00
9162
Channel 1
17251E00
A load resistance of at least 250 Ohm is necessary for a proper functioning
of the HART communication in the output circuit
(e.g. input resistance of the input assembly).
The maximal output load is reduced accordingly.
If the load resistance is not available, an external resistor can be used
additionally.
Type of supply Connection
Direct supply of the device via
24 V connection
Green terminals "7+" and "9-"
Supply via pac-Bus pac-Bus terminals "1+" and "2-"
DANGER
Explosion hazard due to incorrect installation!
Non-compliance results in severe or fatal injuries.
• Check the device for proper installation before commissioning.
• Comply with national regulations.
10
12+
12+
10
11-
10
11-
1+
2- RL

Parameterization and commissioning
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Series 9162
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9.1 Replacement of the device
• If replacing by a device with identical design, readjust the DIP switch, if necessary.
9.2 Parameterizations
9.2.1 Adjustments of limiting values for relay
• Configure the limiting value function using the ISpac Wizard software.
The following representation shows possible adjustments of the limit contacts
for relays A and B.This is an example, other assignments are possible.
17253E00
If a line fault is detected, the limit value relays drop out (for exception refer to chapter
"Anti-pumping device").
9.2.2 Anti-pumping device
If a limiting value is reached, the anti-pumping device ensures that the limit contact
remains in working position ("OFF") even if the process variable that caused the reaction
is no longer valid. This function is used to detect whether the value exceeds or falls below
the specified limiting values.
• The anti-pumping device can only be activated by using the ISpac Wizard software
(independent of switch position RL).
• The anti-pumping device is reset using the DIP switch "RL" (or via ISPac Wizard or
power reset).
Resetting using the DIP switch "RL" is also permitted during operation in
Zone 2 and with connected intrinsically safe input signals.
t
Set-up in the ISpac Wizard:
„opens if value > limit value“
„opens if value < limit value“
Limit value A
Limit value A - Hysteresis
Limit value B +Hysteresis
Limit value B

916260330020
2018-03-08·HB00·III·en·02
Operation
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Transmitter Supply Unit with Limit Values
Series 9162
10 Operation
10.1 Indications
The corresponding LEDs on the device indicate the operating conditions of the device
and the line fault states (also refer to chapter "Function and Device Design").
10.2 Troubleshooting
Observe the following troubleshooting plan for troubleshooting:
If the error cannot be eliminated using the mentioned procedures:
• Contact R. STAHL Schaltgeräte GmbH.
For fast processing, have the following information ready:
• Type and serial number of the device
• Purchase information
• Error description
• Intended use (in particular input / output wiring)
Selection in ISpac
Wizard
Description of the function "anti-pumping device"
"Deactivated" Default setting - function is off
"Activated" Function as described above. When the event occurs,
the set operating mode ("OFF") does not change.
The anti-pumping device is reset by actuating the DIP switch
"RL" (OFF-ON-OFF or ON-OFF) or by switching the device
or the ISpac Wizard off and on briefly. If, at the same time,
an error occurs, the limit value relays switch to the ON position
(example: "OFF above limit value" -> in case of error: OFF).
LED Col-
our
LED "ON" LED "OFF"
"PWR" LED green Device is supplied with
auxiliary power
Device is not in operation,
voltage supply not available
"LF" LED red Line fault in signal No line fault in signal
"A" LED yellow Limit contact A active Limit contact A not active
"B" LED yellow Limit contact B active Limit contact B not active
Error Cause of error Troubleshooting
"PWR" LED is off • Auxiliary power failure
• Defective device fuse
• Polarity reversal of the
auxiliary power supply
• Check the polarity of
the auxiliary power supply.
• Check the wiring of
the auxiliary power supply.
• If the fuse is defective,
have the device repaired.

Maintenance and repair
20 916260330020
2018-03-08·HB00·III·en·02
Transmitter Supply Unit with Limit Values
Series 9162
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11 Maintenance and repair
11.1 Maintenance
• Consult the relevant national regulations to determine the type and extent
of inspections.
• Adapt inspection intervals to the operating conditions.
During maintenance of the device, check at least:
• whether the clamping screws holding the electric lines are securely seated,
• whether the device enclosure and / or protective enclosure have cracks or
other visible signs of damage,
• whether the permissible ambient temperatures are observed,
• whether the device is used according to its designated use.
11.2 Maintenance
The device does not require regular maintenance.
11.3 Repair
11.4 Returning the device
Use the "Service form" to return the device if repair or service is required.
On the internet site "www.stahl-ex.com" under "Downloads > Customer service":
• Download the service form.
• Fill out the service form.
• Send the device along with the service form in the original packaging to
R. STAHL Schaltgeräte GmbH.
CAUTION
Risk of electric shock or malfunction of the device due to unauthorized work!
Non-compliance can result in light injuries!
• Before carrying out work on the device, switch off voltage supply.
• Work performed on the device must only be carried out by authorized
and appropriately trained qualified electricians.
Observe the relevant national regulations in the country of use.
DANGER
Explosion hazard due to improper repair!
Non-compliance results in severe or fatal injuries.
• Repair work on the devices must be performed only by
R. STAHL Schaltgeräte GmbH.