EUCHNER CES-A-ABA-01 User manual

EN
Operating Instructions
Non-Contact Safety System
CES-A-ABA-01/CES-A-ABA-01B (Unicode)

Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
2(translation of the original operating instructions) 071873-15-07/15
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 ......................................................................... 7
5. General safety instructions.................................................................................... 7
6. Function............................................................................................................... 8
6.1. Block diagram CES-A-ABA-… ...........................................................................................................9
7. Mounting............................................................................................................ 10
8. Electrical connection .......................................................................................... 11
8.1. Notes about ..........................................................................................................................11
8.2. Safety in case of faults..................................................................................................................11
8.3. Fusing of the power supply and the safety contacts.........................................................................11
8.4. Correct connection .......................................................................................................................12
8.5. Connection example CES-A-ABA-01B ..............................................................................................13
9. Setup ................................................................................................................. 14
9.1. LED indicators..............................................................................................................................14
9.2. Teach-in operation.........................................................................................................................14
9.2.1. Carrying out teach-in for rst actuator (default setting on delivery) ....................................15
9.2.2. Carrying out teach-in for a new actuator..........................................................................15
9.3. Functional check...........................................................................................................................16
9.3.1. Self-test with test input TST ...........................................................................................16
10. System status table ............................................................................................ 17
11. Technical Data.................................................................................................... 18
11.1. Evaluation unit CES-A-ABA-.............................................................................................................18
11.2. Read head CES-A-LNA-…...............................................................................................................20
11.3. Read head CES-A-LNA-SC ..............................................................................................................22
11.4. Read head CES-A-LCA-… ...............................................................................................................25
11.5. Read head CES-A-LMN-SC..............................................................................................................29
11.6. Actuator CES-A-BBA/CES-A-BCA.....................................................................................................31
11.7. Actuator CES-A-BQA......................................................................................................................32
11.8. Actuator CES-A-BDA......................................................................................................................33
11.9. Actuator CES-A-BMB .....................................................................................................................34

3
071873-15-07/15 (translation of the original operating instructions)
Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
EN
12. Ordering information and accessories................................................................. 35
13. Inspection and service ........................................................................................ 35
14. Service .............................................................................................................. 35
15. Declaration of conformity ................................................................................... 36

Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
4(translation of the original operating instructions) 071873-15-07/15
1. About this document
1.1. Scope
This document is valid for
ÌNon-Contact Safety System CES‑A‑ABA‑01, evaluation unit for 1 read head (order no. 071850)
ÌNon-Contact Safety System CES‑A‑ABA‑01B, evaluation unit for 1 read head (order no. 083513)
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 Signicance
Printed document
Internet
www Document is available for download at www.euchner.de
Document on CD
DANGER
WARNING
CAUTION
Signal
word:
DANGER
WARNING
CAUTION
Consequence if not observed:
Death or severe injuries
Possibly death or severe injuries
Possibly minor injuries
NOTICE
Important!
Signal
word:
NOTICE
Important!
Malfunction or device damage possible
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 CES-A…/
CES-AZ/CES-FD
(109083)
ÌBasic safety information
ÌMaintenance instructions
Operating instructions
(071873) (this document)
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
071873-15-07/15 (translation of the original operating instructions)
Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
EN
2. Correct use
Evaluation units of the series CES-A are used to evaluate safety-related signals from EUCHNER read heads. The system
forms an interlocking device without guard locking. It meets the requirements according to ENIEC60947-5-3.
The system consists of evaluation unit, read head and actuator. It forms an interlocking device with high coding level (type4).
In combination with a movable safety guard and the machine control, this system 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 EN 12100 or relevant C-standards.
Before use, a risk assessment must be performed on the machine, e.g.according to the following standards:
ÌENISO13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
ÌENISO12100, Safety of machinery – General principles for design – Risk assessment and risk reduction
ÌIEC62061, 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, e.g. according to the following
standards:
ÌENISO13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
ÌENISO14119, Safety of machinery – Interlocking devices associated with guards – Principles for design and selection
ÌEN60204-1, Safety of machinery – Electrical equipment of machines – Part 1: General requirements
The following components can be connected to the evaluation unit CES-A-ABA…:
ÌCES read heads
ÌCEM read heads
ÌCET read heads
For further information, refer to the operating instructions of the corresponding component and to Table 1: Possible com‑
binations for CES components on page 6.
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.
ÌCorrect use requires observing the permissible operating parameters (see Technical data).
ÌIf a data sheet is included with the product, the information on the data sheet applies.
ÌIt is only allowed to use components that are permissible in accordance with the table below.

Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
6(translation of the original operating instructions) 071873-15-07/15
Table 1: Possible combinations for CES components
Evaluation unit Read head
Actuator
CES-A-BBA 071840 CES-A-BCA 088786 CES-A-BDA 084720 CES-A-BMB 077791 CES-A-BQA 098108 CES-A-NBA-... All items CES-A-BPA 098775 CEM-A-BE05 094805 CEM-A-BH10 095175 CET-A-BWK-50X 096327
CES-A-ABA-01
071850
CES-A-LNA...
All items
CES-A-LNA-SC
077715
CES-A-LCA...
All items
CES-A-LMN-SC
077790
CES-A-LQA-SC
095650
CES-A-ABA-01B
083513
CES-A-LNA...
All items
CES-A-LNA-SC
077715
CES-A-LCA...
All items
CES-A-LMN-SC
077790
CES-A-LQA-SC
095650
CEM-A-LE05K-S2
094800
CEM-A-LE05R-S2
095792
CEM-A-LH10K-S3
095170
CEM-A-LH10R-S3
095793
CET-AX
Key to symbols
Combination possible
Combination possible, guard locking for process protection
Combination possible, guard locking for personal protection
Combination not permissible
3. Description of the safety function
Devices from this series feature the following safety functions:
The following applies in combination with read heads without guard locking (CES read heads) and read heads with guard
locking for process protection (CEM/CET read heads):
Monitoring of the position of a safety guard (interlocking device according to EN ISO 14119)
ÌSafety function:
- The safety contacts are switched off when the safety guard is open (see chapter 11. Technical Data on page 18).
ÌSafety characteristics: Category, Performance Level, PFHd(see Technical data CES‑A‑ABA‑01B on page 19).

7
071873-15-07/15 (translation of the original operating instructions)
Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
EN
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
WARNING
Danger to life due to improper installation or due to bypassing (tampering). Safety components fulll
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 ENISO14119:2013, section 7.
ÌThe switching operation must be triggered only by actuators designated for this purpose.
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.
ÌThe number of teach-in and switching operations is saved in the internal memory of the evaluation
unit. If necessary, this memory can be read by the manufacturer.
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 instructions
from www.EUCHNER.de.

Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
8(translation of the original operating instructions) 071873-15-07/15
6. Function
The safety system consists of three components:
ÌCoded actuator
ÌRead head
ÌEvaluation unit
1 read head can be connected to the evaluation unit.
The read heads and actuators are assigned to the device in a special teach-in operation.
Each delivered actuator possesses a unique electronic coding and so is a unique element in the system used. The code in
an actuator cannot be reprogrammed.
The read head is fastened to the xed part of the safety guard and is connected to the evaluation unit via a two-core screened
cable (terminals H11, H12 and SH1).
The actuator fastened to the movable part of the safety guard is moved towards the read head by closing the door. When the
switch-on distance is reached, power is supplied to the actuator by the read head by induction and data can be transferred.
The read code is compared with the taught-in code in the evaluation unit.
If all data for match, the door monitoring output OUT (semiconductor output) is set to HIGH and the safety outputs (relay
output) are enabled. The OUT LED illuminates.
Due to the combination of dynamic polling of the actuators and the redundant, diverse design of the safety electronics with
redundantly controlled safety outputs, the evaluation unit will enter the safe state with every detectable fault.
When a safety guard is opened, the safety outputs switch off the safety circuit and the OUT LED goes out. The state of the
safety outputs is monitored internally by positively driven NC contacts (relay output).
Independent of the switching state of the safety circuit, the position of the safety door can be polled via the output OUT.
If an internal fault occurs in the evaluation unit, the safety circuit is switched off, the diagnostic output (ERR) is set HIGH
and the ERROR LED illuminates red.
The safety contacts on the safety switch CES can also switch small currents. This allows the user to connect the device
directly to a safe control system.

9
071873-15-07/15 (translation of the original operating instructions)
Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
EN
6.1. Block diagram CES-A-ABA-…
24V
TST
TST input not connected:
Operation without external testing
0V
OUT ERR GND
H11
10kΩ
10kΩ
H12
14
13 23 24
SH1
DDSP
CPU-A CPU-B
KA KB
white
brown Screen connection
DDSP:
Double Dynamic
Safety Part with fault
monitoring of the actuator,
read head and the
cable to the read head
CES evaluation unit
Read head
Coded
actuator
Trans-
ponder
Illustration: Actuator not in the operating distance
TST Test input (see 9.3.1. Self‑test with test input TST on page 16)
OUT Door monitoring output (not a safety output)
ERR Diagnostic output
GND 0 V (connected internally to 0 V for the operating voltage)
H11/H12 Read head connection
SH1 Read head screen connection
13/14 Connection for relay contact A, safety relay enable
23/24 Connection for relay contact B, safety relay enable

Operating Instructions
Non-Contact Safety System CES-A-ABA-01/CES-A-ABA-01B
10 (translation of the original operating instructions) 071873-15-07/15
7. Mounting
NOTICE
Device damage due to improper installation or unsuitable ambient conditions.
ÌRead heads and actuators must not be used as a mechanical end stop.
ÌObserve EN ISO 14119:2013, sections 5.2 and 5.3, for information about fastening the safety
switch and the actuator.
ÌObserve EN ISO 14119:2013, section 7, for information about reducing the possibilities for by-
passing an interlocking device.
ÌThe evaluation unit must be mounted in a control cabinet with a minimum degree of protection of
IP54. A snap-in element on the rear of the device is used for fastening to a mounting rail.
ÌIf several evaluation units are mounted side by side in a control cabinet without air circulation
(e.g.fan), a minimum distance of 10mm must be maintained between the evaluation units. This
distance enables the heat from the evaluation unit to dissipate.
Important!
ÌFrom the assured switch-off distance Sar, the safety outputs are safely shut down.
ÌWhen mounting several read heads, observe the stipulated minimum distance to avoid mutual in-
terference.
- For CES-A-LNA/-LCA smin=50mm
- For CES-A-LMN smin=20mm
- For CES-A-LQA smin=80mm
smin
ÌIf the actuator is installed ush, the switching distance changes as a function of the installation
depth and the safety guard material.
Operating
distance
Actuator
Operating
distance
Actuator
Flush mounting Surface mounting
Note the following points:
ÌActuator and read head must be tted so that
- the front faces are at the minimum switch-on distance 0.8xSao or closer when the safety guard is closed (see section
Operating distances). To avoid entering the area of possible side lobes, a minimum distance is to be maintained in
case of a side approach direction. See section Typical operating distance for the related actuator.
- a hazard is excluded until the assured switch-off distance (Sar) is reached when the safety guard is open.
- the actuator is positively mounted on the safety guard, e.g.by using the safety screws included.
- they cannot be removed or tampered with using simple means.
ÌPay attention to the maximum tightening torque for the read head or safety switch and actuator mountings of 1Nm. For
read heads/actuators made of PE-HD, the maximum tightening torque is only 0.5Nm.