EUCHNER CTM-I2-AS2B User manual

EN
Operating Instructions
Transponder-Coded Safety Switch with Guard Locking for Process Protection
CTM-I2-AS2B Unicode/Multicode

Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
2(translation of the original operating instructions) MAN20001648-01-02/23
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 precautions ................................................................................... 6
6. Function............................................................................................................... 7
6.1. Guard locking on version CTM-I2......................................................................................................7
6.2. Switching states .............................................................................................................................8
7. Manual release..................................................................................................... 9
7.1. Auxiliary release..............................................................................................................................9
8. Mounting............................................................................................................ 10
9. Electrical connection .......................................................................................... 11
9.1. Notes about .........................................................................................................................11
9.2. Setting the AS-Interface address ....................................................................................................11
9.3. Conguration in the AS-Interface safety monitor ..............................................................................11
9.3.1. Dual-channel dependent..................................................................................................11
9.3.2. Dual-channel positively driven..........................................................................................12
9.4. AS-Interface status messages........................................................................................................12
9.5. Safety in case of faults..................................................................................................................12
9.6. Connection of guard locking control ...............................................................................................12
9.6.1. Guard locking control by means of switching the auxiliary voltage ......................................12
9.6.2. Guard locking control via ASi bit D0.................................................................................12
10. Setup ................................................................................................................. 13
10.1. LED displays ................................................................................................................................13
10.2. Teaching-in actuator (only for unicode evaluation) ............................................................................13
10.3. Functional check...........................................................................................................................14
10.3.1. Mechanical function test .................................................................................................14
10.3.2. Electrical function test....................................................................................................14
11. System status table ............................................................................................ 15

3
MAN20001648-01-02/23 (translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
EN
12. Technical data .................................................................................................... 16
12.1. Technical data for safety switch CTM-I2-AS2B .................................................................................16
12.1.1. Typical system times......................................................................................................17
12.2. Dimension drawing for safety switch CTM… ...................................................................................18
12.3. Technical data for actuator A-B-A1-A1-….........................................................................................19
12.3.1. Dimension drawing for actuator A-B-A1-A1-… ...................................................................19
12.4. Technical data for actuator A-B-A5-A1-….........................................................................................20
12.4.1. Dimension drawing for actuator A-B-A5-A1-… ...................................................................20
13. Ordering information and accessories................................................................. 21
14. Inspection and service ........................................................................................ 21
15. Service .............................................................................................................. 21
16. Declaration of conformity ................................................................................... 21

Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
4(translation of the original operating instructions) MAN20001648-01-02/23
1. About this document
1.1. Scope
These operating instructions apply to all CTM-I2-AS2B… of version V1.1.X. These operating instructions, the document
Safety information and any available 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 Meaning
Printed document
Internet
www Document is available for download at www.euchner.com
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
(2525460) Basic safety information
Operating instructions
(MAN20001648) (this document)
Internet
www
Declaration of conformity Declaration of conformity
Internet
www
Possibly available data
sheet Item-specic 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.com. For this purpose enter the doc.
no. in the search box.

5
MAN20001648-01-02/23 (translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
EN
2. Correct use
Safety switches series CTM-…-AS.. are operated as slaves on the safety bus AS-Interface Safety at Work and function
as interlocking devices with Guard Locking for Process Protection (type4) without guard locking monitoring. The device
complies with the requirements according to EN60947-5-3. Devices with unicode evaluation possess a high coding level,
devices with multicode evaluation possess a low coding level.
In combination with a movable guard and the machine control, this safety component prevents dangerous machine functions
from occurring while the guard is open. A stop command is triggered if the guard is opened during the dangerous machine
function.
This means:
ÌStarting commands that cause a dangerous machine function must become active only when the guard is closed.
ÌOpening the guard triggers a stop command.
ÌClosing a guard must not cause automatic starting of a dangerous machine function. A separate start command must be
issued. For exceptions, refer to ENISO12100 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:
ÌENISO13849-1
ÌENISO12100
ÌIEC62061
Correct use includes observing the relevant requirements for installation and operation, particularly based on the following
standards:
ÌENISO13849-1
ÌENISO14119
ÌEN60204-1
The safety switch is allowed to be operated only in conjunction with the intended EUCHNER actuator and the related connec-
tion components from EUCHNER. On the use of different actuators or other connection components, EUCHNER provides
no warranty for safe function.
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 ENISO13849-2.
ÌIt is only allowed to use components that are permissible in accordance with the table below.
Table 1: Possible combinations for CTM components
Safety switch
Actuator
A-B-A1-… A-B-A5-…
CTM-… Unicode/Multicode
Key to symbols Combination possible

Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
6(translation of the original operating instructions) MAN20001648-01-02/23
3. Description of the safety function
Devices from this series feature the following safety functions:
Monitoring of the guard position
(interlocking device according to ENISO14119)
ÌSafety function (see chapter 6.2. Switching states on page 8):
- When the guard is open, no valid code sequence is sent (monitoring of the door position).
ÌSafety characteristics: category, Performance Level, PFHD(see chapter 12. Technical data on page 16).
4. Exclusion of liability and warranty
In case of failure to comply with the conditions for correct use stated above, or if the safety regulations are not followed,
or if any servicing is not performed as required, liability will be excluded and the warranty void.
5. General safety precautions
Safety switches fulll personnel protection functions. Incorrect installation or tampering can lead to fatal injuries to personnel.
Check the safe function of the safeguard 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 safeguard 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 fulll
a personnel protection function.
ÌSafety components must not be bypassed, turned away, removed or otherwise rendered ineffective.
On this topic pay attention in particular to the measures for reducing the possibility of bypassing
according to ENISO14119:2013, section 7.
ÌThe switching operation must be triggered only by actuators designated for this purpose.
ÌPrevent bypassing by means of replacement actuators (only for multicode evaluation). For this pur-
pose, restrict access to actuators and to keys for releases, for example.
ÌDamaged actuators can lead to limited prevention of inadvertent locking position (faulty closure
protection) when the machine is switched on. The guard locking function can no longer be ensured
if an actuator is broken. Opening the door will cause the zero sequence to be sent. Regularly check
the actuator for mechanical damage.
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 operational 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. You can download the operating
instructions from www.euchner.com.

7
MAN20001648-01-02/23 (translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
EN
6. Function
The device monitors the position of movable guards.
The system consists of the following components: coded actuator (transponder) and switch.
Whether the device learns the complete actuator code (unicode) or not (multicode) depends
on the respective version.
ÌDevices with unicode evaluation: The actuator must be assigned to the safety switch
by a teach-in operation 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 unicode evaluation, on multi-
code devices a specic code is not requested but instead it is only checked whether the
actuator is of a type that can be detected by the system (multicode detection). There is no
exact comparison of the actuator code with the taught-in code in the safety switch (unicode
evaluation). The system possesses a low coding level.
When the guard is closed, the actuator is moved into the safety switch. When the operating
distances are reached, power is supplied to the actuator by the switch and data transfer
begins.
If the guard is closed and the code is permissible, each CTM-AS transmits a switch-specic, unique safety code sequence
with 8x4 bits via the AS-Interface bus.
The zero sequence is transmitted via the AS-Interface bus when the guard is opened.
In the event of a fault in the safety switch, the zero sequence is transmitted via the AS-Interface bus and the LOCK/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. Guard locking on version CTM-I2
(guard locking actuated by power-ON and released by spring force)
Activating guard locking: Close the guard, apply auxiliary power to the solenoid and set AS-Interface output bit D0.
Releasing guard locking: No auxiliary power at the solenoid and/or clear AS-Interface output bit D0.
The magnetically actuated guard locking operates in accordance with the open-circuit current principle. If the solenoid is
not controlled (D0=0) or if auxiliary power is switched off, guard locking is released and the guard can be opened directly!
If the solenoid is controlled via the ASi bus (D0=1) and auxiliary power is applied to the solenoid, guard locking is activated
and the guard is locked.
Transponder-coded
actuator
Safety switch

Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
8(translation of the original operating instructions) MAN20001648-01-02/23
6.2. Switching states
Guard closed and locked Guard closed and not locked Guard being opened Guard open
Programming State D0, D1 D2, D3 Monitor diagnostics
Dual-channel
dependent
Synchronization time
≥100ms /
Dual-channel
positively driven
Guard closed Code sequence
Green
If start-up test selected:
yellow ashing on start-up
Intermediate state during opening or closing of the
guard.
Switch S1 (internal) open
Half-se-
quence 00 On opening: yellow ashing
On closing: red
After expiration of the synchronization time:
yellow ashing
Intermediate state during opening or closing of the
guard.
Switch S2 (internal) open
00 Half-se-
quence
Guard open 00 00 Red
Address 0 or communication disrupted – Gray

9
MAN20001648-01-02/23 (translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
EN
7. Manual release
Important!
ÌAll release functions latch when the device is electrically isolated.
ÌGuard locking remains released when the release function is reset.
Some situations require the guard locking to be released manually (e.g. malfunctions or an emergency). A function test
should be performed after release.
More information on this topic can be found in the standard ENISO14119:2013, section 5.7.5.1. The device can feature
the following release functions:
7.1. Auxiliary release
In the event of malfunctions, the guard locking can be released with the auxiliary release irre-
spective of the state of the solenoid.
Important!
ÌThe actuator must not be under tensile stress during manual release.
ÌLoss of the release function due to mounting errors or damage during
mounting.
ÌCheck the release function every time after mounting.
ÌAfter manual release, the solenoid must be energized briey to re-es-
tablish guard locking.
ÌThe auxiliary release must be reset at the control system level, e.g.
by means of a plausibility check (status of the safety outputs does
not match the guard locking control signal). See ENISO14119:2013,
sec. 5.7.5.4.
ÌThe auxiliary release is not a safety function.
ÌThe correct function must be checked at regular intervals.
ÌObserve the notes on any available data sheets.
Actuating auxiliary release
1. Remove seal label or make a hole.
2. Using a screwdriver, turn the auxiliary release to in the direction of the arrow.
¨Guard locking is released.
¨The zero sequence is sent via the ASi bus.
3. Using a screwdriver, turn the auxiliary release to in the opposite direction to the arrow to reset.
4. Seal with sealing lacquer.
5. Close the guard.
6. Perform a reset, see chapter 15.3. Error messages, under Plausibility errors.
¨The device operates normally again.
7. Check correct function of the device.
Auxiliary
release

Operating Instructions
Transponder-Coded Safety Switch CTM-I2-AS2B
10 (translation of the original operating instructions) MAN20001648-01-02/23
8. Mounting
CAUTION
Safety switches must not be bypassed (bridging of contacts), turned away, removed or otherwise
rendered ineffective.
ÌObserve ENISO14119:2013, section 7, for information about reducing the possibilities for bypassing
an interlocking device.
NOTICE
Risk of damage to equipment and malfunctions as a result of incorrect installation.
ÌSafety switches and actuators must not be used as an end stop.
ÌObserve EN ISO 14119:2013, sections 5.2 and 5.3, for information about mounting the safety
switch and the actuator.
ÌProtect the switch against damage, as well as against penetrating foreign objects such as swarf,
sand and blasting shot, etc.
ÌObserve the min. door radii (see chapter 12.3.1. Dimension drawing for actuator A-B-A1-A1-… on page
19).
ÌObserve the maximum permissible angle between switch and actuator (max. 5°).
ÌObserve the tightening torque for fastening the switch and the actuator (max. 2.9Nm).
ÌThe rear side of the switch and the actuator’s plate must lie fully on the mounting surface.
ÌActuator and safety switch must be mounted such that the actuator is vertically inserted into the
switch when the guard is closed. The guard locking function is not assured if installation is incorrect.
ÌWhen mounting several safety switches, observe the stipulated minimum distance to avoid mutual
interference.
20
40
40