EUCHNER ESL-IH-AR User manual

EN
Operating Instructions
Safety Systems with Locking
ESL-IH-AR

Operating Instructions
Safety Systems with Locking ESL-IH-AR
2(translation of the original operating instructions) 119138-05-10/15
Contents
1. About this document............................................................................................. 4
1.1. Scope............................................................................................................................................4
1.2. Target group ..................................................................................................................................4
1.3. Key to symbols...............................................................................................................................4
1.4. Supplementary documents ..............................................................................................................4
2. Correct use .......................................................................................................... 5
3. Description of the safety function .......................................................................... 6
4. Exclusion of liability and warranty ......................................................................... 6
5. General safety instructions.................................................................................... 6
6. Function............................................................................................................... 7
6.1. Components...................................................................................................................................7
6.2. Door monitoring output ...................................................................................................................7
6.3. Switching states .............................................................................................................................8
7. Mounting.............................................................................................................. 9
7.1. Changing the connection .................................................................................................................9
7.2. Attachment to the door prole .......................................................................................................10
8. Electrical connection .......................................................................................... 11
8.1. Notes about .........................................................................................................................12
8.2. Safety in case of faults..................................................................................................................12
8.3. Fuse protection for power supply...................................................................................................12
8.4. Requirements for connection cables...............................................................................................12
8.5. Maximum cable lengths.................................................................................................................13
8.5.1. Determining cable lengths using the example table.............................................................13
8.6. Connector assignment safety system ESL-I-AR ................................................................................14
8.7. Connector assignment Y-distributor................................................................................................15
8.8. Connection of a single AR device ...................................................................................................16
8.9. Connection of several devices in a switch chain ..............................................................................17
8.10. Information on operation on an AR evaluation unit............................................................................18
8.11. Notes on operation with safe control systems.................................................................................18
9. Setup ................................................................................................................. 19
9.1. LED indicators..............................................................................................................................19
9.2. Teach-in function for handle module (only for unicode evaluation) ......................................................19
9.2.1. Preparing device for the teach-in operation and teaching-in handle module ...........................19
9.2.2. Teach-in function with series connection, replacing and teaching in device ............................20
9.3. Functional check...........................................................................................................................21
9.3.1. Mechanical function test ...................................................................................................21
9.3.2. Electrical function test......................................................................................................21

3
119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
10. System status table ............................................................................................ 22
11. Technical data .................................................................................................... 23
11.1. Technical data safety system ESL-IH-AR ..........................................................................................23
11.1.1. Dimension drawing safety system ESL-IH-AR ......................................................................24
12. Ordering information and accessories................................................................. 25
13. Inspection and service ........................................................................................ 25
14. Service .............................................................................................................. 25
15. Declaration of conformity ................................................................................... 26

Operating Instructions
Safety Systems with Locking ESL-IH-AR
4(translation of the original operating instructions) 119138-05-10/15
1. About this document
1.1. Scope
These operating instructions are valid for all ESL-IH-AR. These operating instructions, the document “Safety Information and
Maintenance” and any enclosed data sheet form the complete user information for your device.
1.2. Target group
Design engineers and installation planners for safety devices on machines, as well as setup and servicing staff possessing
special expertise in handling safety components.
1.3. Key to symbols
Symbol/depiction Signicance
Printed document
Internet
www Document is available for download at www.euchner.de
Document on CD
DANGER
WARNING
CAUTION
Safety precautions
Danger of death or severe injuries
Warning about possible injuries
Caution Slight injuries possible
NOTICE
Important!
Notice about possible device damage
Important information
Tip Useful information
1.4. Supplementary documents
The overall documentation for this device consists of the following documents:
Document title
(document number) Contents
Safety Information and
Maintenance ESL-AR
(119159)
Basic information for safe setup and service
Operating Instructions
(119138) (This document)
Possibly enclosed data
sheet Item-specic information about deviations or additions
Important!
Always read all documents to gain a complete overview of safe installation, setup and use of the
device. The documents can be downloaded from www.euchner.de. For this purpose enter the doc.
no. in the search box.

5
119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
2. Correct use
Safety systems series ESL-AR are interlocking devices without guard locking (type4). The device meets the requirements
according to ENIEC60947-5-3. Devices with unicode evaluation possess a high coding level, devices with multicode eval-
uation possess a low coding level.
In combination with a movable safety guard and the machine control, this safety component prevents dangerous machine
functions from occurring while the safety guard is open. A stop command is triggered if the safety guard is opened during
the dangerous machine function.
This means:
ÌStarting commands that cause a dangerous machine function must become active only when the safety guard is closed.
ÌOpening the safety guard triggers a stop command.
ÌClosing a safety guard must not cause automatic starting of a dangerous machine function. A separate start command
must be issued. For exceptions, refer to ENISO12100 or relevant C-standards.
Before the device is used, a risk assessment must be performed on the machine, e.g. in accordance with the following
standards:
ÌENISO13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
ÌENISO12100, Safety of machinery – Basic concepts – General principles for design – Risk assessment and risk reduc-
tion
ÌIEC62061, Safety of machinery – Functional safety of safety-related electrical, electronic and programmable electronic
control systems
Correct use includes observing the relevant requirements for installation and operation, particularly based on the following
standards:
ÌENISO13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
ÌENISO14119 (supersedes EN1088), Safety of machinery – Interlocking devices associated with guards – Principles
for design and selection
ÌEN60204-1, Safety of machinery – Electrical equipment of machines.
The safety system ESL can only be combined with the intended modules in the ESL system family.
On the modication of system components, EUCHNER provides no warranty for function.
Several devices are only allowed to be connected in series using devices intended for series connection with the ESL.
Check the operating instructions for the related device. Combination with devices from other manufacturers is not allowed.
A maximum of 20 devices are allowed to be operated in a switch chain.
Important!
ÌThe user is responsible for the proper integration of the device into a safe overall system. For this
purpose, the overall system must be validated, e.g. in accordance with ENISO13849-2.
ÌIt is only allowed to use components that are permissible in accordance with the table below.
Table 1: Possible combinations for ESL components
Interlocking module
Handle module
ESL-H-…
ESL-I-…
Key to symbols Combination possible

Operating Instructions
Safety Systems with Locking ESL-IH-AR
6(translation of the original operating instructions) 119138-05-10/15
3. Description of the safety function
Devices from this series feature the following safety functions:
Monitoring of the safety guard position
(interlocking device according to ENISO14119)
ÌSafety function:
- The safety outputs are switched off when the safety guard is open (see chapter 6.3. Switching states on page 8).
ÌSafety characteristics: category, Performance Level, PFHd(see chapter 11. Technical data on page 23).
4. Exclusion of liability and warranty
In case of failure to comply with the conditions for correct use stated above, or if the safety instructions are not followed,
or if any servicing is not performed as required, liability will be excluded and the warranty void.
5. General safety instructions
Safety systems fulll personal protection functions. Incorrect installation or tampering can lead to fatal injuries to personnel.
Check the safe function of the safety guard particularly
Ìafter any setup work
Ìafter the replacement of a system component
Ìafter an extended period without use
Ìafter every fault
Independent of these checks, the safe function of the safety guard should be checked at suitable intervals as part of the
maintenance schedule.
WARNING
Danger to life due to improper installation or due to bypassing (tampering). Safety components perform
a personal protection function.
ÌSafety components must not be bypassed, turned away, removed or otherwise rendered ineffec-
tive. On this topic pay attention in particular to the measures for reducing the possibility of bypass-
ing according to ENISO14119:2013, section 7.
ÌThe switching operation may be triggered only by handle modules designated for this purpose.
ÌPrevent bypassing by means of replacement handle modules (only for multicode evaluation). For
this purpose, restrict access to handle modules and to keys for releases, for example.
ÌMounting, electrical connection and setup only by authorized personnel possessing the following
knowledge:
- specialist knowledge in handling safety components
- knowledge about the applicable EMC regulations
- knowledge about the applicable regulations on occupational safety and accident prevention.
Important!
Prior to use, read the operating instructions and keep these in a safe place. Ensure the operating
instructions are always available during mounting, setup and servicing. EUCHNER cannot provide any
warranty in relation to the readability of the CD for the storage period required. For this reason you
should archive a printed copy of the operating instructions. You can download the operating instruc-
tions from www.euchner.de.

7
119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
6. Function
The safety system ESL-AR monitors the position of movable safety guards. The safety outputs are switched on/off when the
latch on the handle module is moved to/removed from the operating distance on the interlocking module.
The interlocking module detects the position of the latch and thereby the position of the safety guard. The combination also
serves as a mechanical door stop at the same time.
Whether the device learns the complete handle module code (unicode) or not (multicode) depends on the respective version.
ÌDevices with unicode evaluation:The handle module must be assigned to the interlocking module by a teach-in oper-
ation so that it is detected by the system. This unambiguous assignment ensures a particularly high level of protection
against tampering. The system thus possesses a high coding level.
ÌDevices with multicode evaluation:Unlike systems with unique code detection, on multicode devices a specic code
is not requested but instead it is only checked whether the handle module is of a type that can be detected by the sys-
tem (multicode detection). There is no exact comparison of the handle module with the taught-in code in the interlocking
module (unique code detection). The system possesses a low coding level.
When the safety guard is closed, the handle module is moved toward the interlocking module. When the switch-on distance
is reached, power is supplied to the handle module by the interlocking module and data is transferred.
If a permissible code is detected, the safety outputs are switched on.
The safety outputs are switched off when the safety guard is opened.
In the event of a fault in the interlocking module, the safety outputs are switched off and the DIA LED illuminates red. The
occurrence of faults is detected at the latest on the next demand to close the safety outputs (e.g. on starting).
6.1. Components
The system consists of the following components: coded handle module (transponder) and interlocking module.
Interlocking module
LED indicator
Handle module
Closure
Lock
6.2. Door monitoring output
The door monitoring output is switched on as soon as a valid handle module is detected in the operating distance.

Operating Instructions
Safety Systems with Locking ESL-IH-AR
8(translation of the original operating instructions) 119138-05-10/15
6.3. Switching states
The detailed switching states for your switch can be found in the system status table. All safety outputs, monitoring outputs
and display LEDs are described there.
Safety guard closed
(handle module in the operating distance
and permissible code detected)
Safety guard open
(handle module not in operating distance)
Safety outputs FO1A and FO1B on off
Monitoring output OD on off

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119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
7. Mounting
CAUTION
Safety systems must not be bypassed (bridging of contacts), turned away, removed or otherwise
rendered ineffective.
ÌObserve ENISO14119:2013, section 7, for information about reducing the possibilities for by-
passing an interlocking device.
ÌThe device is not suitable for use on sliding doors.
ÌWhen mounting, take care not to trap the cables between the device and the prole.
ÌPermanently connect the interlocking module and handle module to the safety guard so that they
cannot be detached, e.g. using non-removable screws.
NOTICE
Risk of damage to equipment and malfunctions as a result of incorrect installation.
ÌWhen mounting several transponder-coded safety switches, observe the stipulated minimum dis-
tance to avoid mutual interference.
min. 60 mm
7.1. Changing the connection
The plug connector position can be adapted to suit the installation. This change must be performed before assembly:
1. Press the plug connector with the plastic inserts out of the prole slot.
¨To adjust only the cable exit for angled plug connectors, align the plug and the inserts accordingly and press the plug
back into the prole slot.
2. Remove the connection cap on the opposite side.
3. For angled plug connectors, align the plug and the inserts accordingly.
4. Press the plug into the prole slot on the opposite side.
5. Seal the other opening with the connection cap.

Operating Instructions
Safety Systems with Locking ESL-IH-AR
10 (translation of the original operating instructions) 119138-05-10/15
7.2. Attachment to the door prole
With two-leaf hinged doors, one of the two door leaves additionally must be latched mechanically.
1. Fasten the ESL using 4 M6 screws and washers.
¨Please note that the gap dimension between handle module and interlocking module is 0-3mm; the max. vertical offset
is ±1mm.
2. Tighten the screws to a torque of max. 10Nm.
3. Fit the enclosed cover caps to protect against tampering.

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119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
8. Electrical connection
The following connection options are available:
ÌSeparate operation
ÌSeries connection with Y-distributors or the passive distribution module AC-DP-…-SA-… from EUCHNER (only with M12
plug connector)
ÌSeries connection, e.g. with wiring in the control cabinet.
ÌOperation on an AR evaluation unit
WARNING
In case of an error, loss of the safety function through incorrect connection.
ÌTo ensure safety, both safety outputs must always be evaluated.
ÌMonitoring outputs must not be used as safety outputs.
ÌLay the connection cables with protection to prevent the risk of short circuits.
CAUTION
Risk of damage to equipment or malfunctions as a result of incorrect connection.
ÌDo not use a control system with pulsing or switch off the pulsing function in your control system.
The device generates its own test pulses on the safety outputs. A downstream control system
must tolerate these test pulses, which may have a length of up to 1ms.
The test pulses are also output when the safety outputs are switched off.
Depending on the inertia of the connected device (control system, relay, etc.), this can lead to
short switching processes.
ÌThe inputs on an evaluation unit connected must be positive-switching, as the two outputs on the
interlocking module deliver a level of +24V in the switched-on state.
ÌAll the electrical connections must either be isolated from the mains supply by a safety transformer
according to IEC 61558-2-6 with limited output voltage in the event of a fault, or by other equivalent
isolation measures (PELV).
ÌAll electrical outputs must have an adequate protective circuit for inductive loads. The outputs
must be protected with a free-wheeling diode for this purpose. RC interference suppression units
must not be used.
ÌPower devices which are a powerful source of interference must be installed in a separate location
away from the input and output circuits for signal processing. The cable routing for safety circuits
should be as far away as possible from the cables of the power circuits.
ÌTo avoid EMC interference, the physical environmental and operating conditions at the in-
stallation site of the device must comply with the requirements according to the standard
EN60204-1:2006, section 4.4.2 (EMC).
ÌPlease pay attention to any interference elds in case of devices such as frequency converters or
induction heating systems. Observe the EMC instructions in the manuals from the respective man-
ufacturer.
Important!
If the device does not appear to function when operating voltage is applied (e.g. green STATE LED
does not ash), the device must be returned unopened to the manufacturer.

Operating Instructions
Safety Systems with Locking ESL-IH-AR
12 (translation of the original operating instructions) 119138-05-10/15
8.1. Notes about
Important!
ÌFor use and operation as per the requirements 1), a power supply with the feature “for use in
class 2 circuits” must be used.
Alternative solutions must comply with the following requirements:
a) Electrically isolated power supply unit with a max. open-circuit voltage of 30V/DC and a limited
current of max. 8A.
b) Electrically isolated power supply unit in combination with fuse as per UL248. This fuse should be
designed for max. 3.3A and should be integrated into the 30VDC voltage section.
ÌFor use and applications as per the requirements of 1), a connection cable listed under the UL
category code CYJV2 or CYJV must be used.
1) Note on the scope of the UL approval: The devices are tested according to the requirements of UL508 and CSA/ C22.2 no. 14 (protection against electric shock
and re).
8.2. Safety in case of faults
ÌThe operating voltage UBis reverse polarity protected.
ÌThe safety outputs are short circuit-proof.
ÌA short circuit between the safety outputs is detected by the switch.
ÌA short circuit in the cable can be excluded by laying the cable with protection.
8.3. Fuse protection for power supply
The power supply must be provided with fuse protection depending on the number of switches and current required for the
outputs. The following rules apply:
Max. current consumption of an individual switch Imax
Imax = IUB + IOD + IFO1A+FO1B
IUB = Switch operating current (40mA)
IOD = Load current of monitoring output (max. 50mA)
IFO1A+FO1B = Load current of safety outputs FO1A + FO1B (2xmax. 150mA)
Max. current consumption of a switch chain ΣImax
ΣImax = IFO1A+FO1B + nx(IUB + IOD)
n = Number of connected switches
8.4. Requirements for connection cables
CAUTION
Risk of damage to equipment or malfunctions as a result of incorrect connection cables.
ÌUse connection components and connection cables from EUCHNER.
ÌOn the usage of other connection components, the requirements in the following table apply.
EUCHNER provides no warranty for safe function in case of failure to comply with these require-
ments.
Observe the following requirements with respect to the connection cables:
Parameter Value Unit
Conductor cross-section min. 0.14…0.34 mm²
R max. 150 W/km
C max. 120 nF/km
L max. 0.65 mH/km
Recommended cable type LIYY 8x or 5x0.34mm²

13
119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
8.5. Maximum cable lengths
Switch chains are permitted up to a maximum overall cable length of 200m taking into account the voltage drop as a result
of the cable resistance (see table below with example data and case example).
SPS
PLC
l1l2
lmax =200 m
ln
umin = 24 V -10% un= 24 V -20%
5 x 0,34 mm2
ESL-AR # n ESL-AR # n-1 ESL-AR # 1
iout
n
Max. number of devices
IOUT (mA)
Possible output current per channel FO1A/FO1B
l1(m)
Max. cable length from the last device to the
control system
5
10 150
25 100
50 80
100 50
6
10 120
25 90
50 70
100 50
10
10 70
25 60
50 50
100 40
8.5.1. Determining cable lengths using the example table
Example: 6 devices are to be used in series. Cabling with a length of 40m is routed from a safety relay in the control cabinet
to the last device (#6). Cables with a length of 20m each are connected between the individual ESL devices.
ESL-AR # 6
Sicherheits-
relais
Safety Relay
ESL-AR # 5 ESL-AR # 4 ESL-AR # 3 ESL-AR # 2 ESL-AR # 1
l1 = 40 m l2 = 5 x 20 m
lmax = 140 m
ln = 20 m
un= min. 19,2 V
iout = min. 75 mA
Figure 1: Circuit example with six ESL-AR

Operating Instructions
Safety Systems with Locking ESL-IH-AR
14 (translation of the original operating instructions) 119138-05-10/15
A safety relay is connected downstream which consumes 75mA at each of the two safety inputs. This operates over the
whole temperature range with a voltage of 19.2V (corresponds to 24V - 20%).
All the relevant values can now be determined using the example table:
1. Select the corresponding section in the column n (max. number of switches). Here: 6 switches.
2. In column Iout (possible output current per channel FO1A/FO1B), nd a current greater than or equal to 75mA. Here:
100mA.
¨It is then possible to determine the maximum cable length from the last switch (#6) to the control system from column
l1. Here: a length of 50m is permitted.
Result: The desired cable length l1of 40m is below the permitted value from the table. The overall length of the switch
chain lmax of 140m is less than the maximum value of 200m.
¨The planned application is therefore functional in this form.
8.6. Connector assignment safety system ESL-I-AR
Coding lug
1
7
6
5
4
3
2
8
8
2
7
6
1
3
4
5
UB
0V
FI1A
FI1B
FO1A
FO1B
OD
RST
View of connection side on the interlocking module
Figure 2: Connector assignment interlocking module ESL-I-AR
Pin Designation Description Wire color
1 FI1B Enable input for channel 2 white
2 UB Power supply, DC 24 V brown
3 FO1A Safety output, channel 1 green
4 FO1B Safety output, channel 2 yellow
5 OD Door monitoring output gray
6 FI1A Enable input for channel 1 pink
7 0V Ground, DC 0 V blue
8 RST Reset input red

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119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
8.7. Connector assignment Y-distributor
M12x1
max. 45
Ø 14,5
Strapping plug 097645
4-pin, plug
(gure similar)
Y-distributor with connecting
cable 111696 or 112395
Socket
Plug Socket
Pin Function
X2.1 UB
X2.2 FO1A
X2.3 0V
X2.4 FO1B
X2.5 RST
Pin Function
X3.1 UB
X3.2 FI1A
X3.3 0V
X3.4 FI1B
X3.5 RST
12
12
097627
45°
15,1
485
6
312
7
35,1
20,5
1
2
4
5
33
4
2
1
5
Mx1
Ø 14,6
Mx1
( )
Y-distributor
097627
Socket
Connector assignment of inter-
locking module ESL-I-AR (8-pin
plug) and Y-distributor (8-pin
socket)
Pin Function
X1.1 FI1B
X1.2 UB
X1.3 FO1A
X1.4 FO1B
X1.5 OD
X1.6 FI1A
X1.7 0V
X1.8 RST
Plug Socket
M
12
x1
44
45
41
15
M
12
x1
15 15
M
12
x1
33
A
B
4
8
5
6
3
1
2
7
1
2
4
5
33
4
2
1
5
Length l
Order No. Length
l [mm]
111696 200
112395 1000
Pin Function
X2.1 UB
X2.2 FO1A
X2.3 0V
X2.4 FO1B
X2.5 RST
Pin Function
X3.1 UB
X3.2 FI1A
X3.3 0V
X3.4 FI1B
X3.5 RST

Operating Instructions
Safety Systems with Locking ESL-IH-AR
16 (translation of the original operating instructions) 119138-05-10/15
8.8. Connection of a single AR device
If a single AR device is used, connect the device as shown in Figure 3. Monitoring outputs can be routed to a control system.
The switch can be reset via the RST input. To do this, a voltage of 24 V is applied to the RST input for at least 3 seconds.
The RST input must be connected to 0 V if it is not used.
WARNING
In case of an error, loss of the safety function through incorrect connection.
ÌTo ensure safety, both safety outputs (FO1A and FO1B) must always be evaluated.
Important!
The example shows only an excerpt that is relevant for connection of the ESL system. The example
illustrated here does not show complete system planning. The user is responsible for safe integration
in the overall system. Detailed application examples can be found at www.euchner.de. Simply enter
the order number in the search box. All available connection examples for the device can be found
under “Downloads.”
GND
DC 24 V
ESL-I-AR #1
FI1B1
UB2
FO1A3
FO1B4
M12 plug-connector
(8-pin)
OD5
FI1A6
0V7
RST8
-K1
-K2
-M1 M
A1
A2
A1
A2
13
14
13
14
Figure 3: Connection example for separate operation of an ESL-I-AR

17
119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
8.9. Connection of several devices in a switch chain
Important!
ÌAn AR switch chain may contain a maximum of 20 devices.
ÌThe example shows only an excerpt that is relevant for connection of the ESL system. The ex-
ample illustrated here does not show complete system planning. The user is responsible for safe
integration in the overall system. Detailed application examples can be found at www.euchner.de.
Simply enter the order number in the search box. All available connection examples for the device
can be found under “Downloads.”
The series connection is shown here based on the example of the version with plug connectors M12. The switches are con-
nected one behind the other with the aid of pre-assembled connection cables and Y-distributors. If a safety door is opened or
if a fault occurs on one of the switches, the system shuts down the machine. A higher level control system cannot, however,
detect which safety door is open or on which switch a fault has occurred with this connection technology. A special AR eval-
uation unit is required for this purpose (see chapter 8.10. Information on operation on an AR evaluation unit on page 18).
The series connection can also be realized via additional terminals in a control cabinet.
The safety outputs are permanently assigned to the respective safety inputs of the downstream switch. FO1A must be routed
to FI1A and FO1B to FI1B. If the connections are interchanged (e.g. FO1A to FI1B), the unit will switch to the fault state.
Always use the RST input in series connections. All switches in a chain can be reset at the same time with this reset input.
To do this, a voltage of 24 V must be applied to the RST input for at least 3 seconds. If input RST is not used in your appli-
cation, it should be connected to 0 V.
Note the following on this aspect:
ÌA common signal must be used for all switches in the chain. This can be a changeover switch or the output of a control
system. A push button is not suitable because Reset must always be connected to GND during operation (see switch S1
in Figure 4 on page 17).
ÌReset must always be performed simultaneously for all switches of the chain.
GND
DC 24 V
Stift/
connector
(male)
1
2
3
4
5
1
ESL-I-AR #n
1
2
2
3
3
4
4
Y-Verteiler/Y-distributor
M12 plug-connector
(8-pin)
5
5
6
6
7
Buchse/
connector
(female)
7
8
8
1
2
3
4
5
Stift/
connector
(male)
1
2
3
4
5
1
ESL-I-AR #n-1
1
2
2
3
3
4
4
Y-Verteiler/Y-distributor
M12 plug-connector
(8-pin)
5
5
6
6
7
Buchse/
connector
(female)
7
8
8
1
2
3
4
5
Stift/
connector
(male)
1
2
3
4
5
1
ESL-I-AR #1
1
2
2
3
3
4
4
Y-Verteiler/Y-distributor
M12 plug-connector
(8-pin)
5
5
6
6
7
Buchse/
connector
(female)
7
8
8
1
2
3
4
5
1
2
3
4
Stift/
connector
(male)
Kurzschlussstecker/
Short-circuit plug
FI1B
UB
FO1A
FO1B
OD
FI1A
0V
RST
FI1B
UB
FO1A
FO1B
OD
FI1A
0V
RST
Connected
load
FI1B
UB
FO1A
FO1B
OD
FI1A
0V
RST
Figure 4: Connection example for series connection of several ESL‑AR devices

Operating Instructions
Safety Systems with Locking ESL-IH-AR
18 (translation of the original operating instructions) 119138-05-10/15
8.10. Information on operation on an AR evaluation unit
The devices can be operated on an AR evaluation unit. Please refer to the operating instructions for the relevant AR evalu-
ation unit for more information.
8.11. Notes on operation with safe control systems
Please observe the following requirements for connection to safe control systems:
ÌUse a common power supply for the control system and the connected devices.
ÌA pulsed power supply must not be used for UB. Tap the supply voltage directly from the power supply unit. If the supply
voltage is connected to a terminal of a safe control system, this output must provide sufcient electrical current.
ÌAlways connect inputs FI1A and FI1B directly to a power supply unit or to outputs FO1A and FO1B of another EUCHNER
AR device (series connection). Pulsed signals must not be present at inputs FI1A and FI1B.
ÌThe safety outputs (FO1A and FO1B) can be connected to the safe inputs of a control system. Prerequisite: The input
must be suitable for pulsed safety signals (OSSD signals, e.g. from light curtains). The control system must tolerate test
pulses on the input signals. This normally can be set up by parameter assignment in the control system. Observe the
notes of the control system manufacturer. For the pulse duration of your device, please refer to chapter 11. Technical
data on page 23.
A detailed example of connecting and setting the parameters of the control system is available for many devices at www.
euchner.de in the area Download » Applications » ESL. The features of the respective device are dealt with there in greater
detail.

19
119138-05-10/15 (translation of the original operating instructions)
Operating Instructions
Safety Systems with Locking ESL-IH-AR
EN
9. Setup
9.1. LED indicators
LED Color
STATE green
DIA red
9.2. Teach-in function for handle module (only for unicode evaluation)
The handle module must be assigned to the interlocking module using a teach-in function before the system comprising
interlocking module and handle module forms a functional unit.
During a teach-in operation, the safety outputs are switched off, i.e. the system is in the safe state.
When a handle module for which teach-in operation is possible is in the operating distance, the monitoring output OD indi-
cates this with a HIGH signal.
Tip!
It is recommended to perform the teach-in operation prior to mounting. Mark interlocking modules and
handle modules that belong together to avoid confusion. For devices to be connected in series, we
recommend performing the teach-in operation separately for each device prior to series connection.
Important!
ÌThe teach-in operation may be performed only if the device functions awlessly. The red DIA LED
must not be illuminated.
ÌThe interlocking module disables the code for the previous handle module if teach-in is carried
out for a new handle module. Teach-in is not possible again immediately for this actuator if a new
teach-in operation is carried out. The disabled code is released again in the interlocking module
only after a third code has been taught-in.
ÌThe interlocking module can only be operated with the last handle module taught.
ÌIf, in the teach-in standby state, the interlocking module detects the handle module last taught-in,
the teach-in standby state is ended immediately and the interlocking module changes to the nor-
mal state.
ÌIf the handle module to be taught-in is within the operating distance for less than 30s, it will not be
activated and the most recently taught-in handle module will remain saved.
9.2.1. Preparing device for the teach-in operation and teaching-in handle module
1. Fit handle module.
2. Close the safety guard. Check for correct alignment and distance and readjust if necessary.
3. Apply operating voltage to the interlocking module.
¨The green LED ashes quickly (approx. 5Hz)
A self-test is performed during this time (approx. 10s).
The teach-in operation starts, the green LED ashes (approx. 1 Hz). During the teach-in operation, the interlocking
module checks whether the handle module is a disabled handle module. Provided this is not the case, the teach-in op-
eration is completed after approx. 30 seconds and is positively acknowledged with an alternating red/green ashing
sequence. The new code has now been stored, and the old code is disabled.
4. To activate the new handle module code from the teach-in operation in the interlocking module, the operating voltage
to the interlocking module must then be switched off for min. 3 seconds. As an alternative, 24V can be applied to the
input RST for at least 3 seconds.
STATE DIA

Operating Instructions
Safety Systems with Locking ESL-IH-AR
20 (translation of the original operating instructions) 119138-05-10/15
9.2.2. Teach-in function with series connection, replacing and teaching in device
It is recommended not to teach in the handle modules in the series connection but to teach them in one by one instead.
Teach-in in a series connection works analogously to separate operation in principle. All ESL-AR in the chain can be taught in
at the same time. The prerequisite is that the switch chain functions without problems and the following steps are followed.
Further steps might have to be observed for mixed switch chains (e.g. for chains with CES and safety switches with guard
locking). Observe the operating instructions for the other devices in the chain for this purpose.
Work on the wiring (e.g. during device replacement) should generally be performed in a de-energized state. On certain
systems, it is nevertheless necessary to perform this work and subsequent teach-in during ongoing operation.
Input RST must be connected as shown in Figure 4 on page 17 to permit this.
Proceed as follows:
1. Open the safety guard on which the interlocking module or handle module is to be replaced.
2. Mount the new interlocking module or handle module and prepare it for the teach-in operation (see chapter 9.2.1. Pre‑
paring device for the teach‑in operation and teaching‑in handle module on page 19).
3. Close all safety guards in the chain.
4. Actuate the reset for at least 3s (24V on RST).
¨The system restarts (approx. 10s).
¨On the interlocking module at which a new handle module is positioned, the green LED ashes at approx. 1Hz and the
handle module is taught-in. This takes approx. 30s. Do not switch off during this time and do not actuate reset! The
teach-in operation has ended when all LEDs on the device are off.
5. Actuate the reset for at least 3s (24V on RST).
¨The system restarts and then continues to function in normal operation.
Other manuals for ESL-IH-AR
1
Table of contents
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