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Safety Information and Maintenance
(Part of the Operating Instructions Key Adapter CKS-K-AS2A)
Scope
This safety information is part of the operating instruc‑
tions for the key adapter CKS‑K‑AS2A.
Correct use
EUCHNER key adapters series CKS‑K‑AS are operated
as a slave on the safety bus AS‑Interface Safety at
Work
This safety component allows dangerous machine
movements to be undertaken as long as a valid key
is inserted. A stop command is triggered if the key
is removed during the dangerous machine function.
Before use, a risk assessment must be performed
on the machine, e.g. in accordance with:
EN ISO 13849‑1, Safety of machinery – Safety‑re‑
f
lated parts of control systems – Part 1: General
principles for design
EN ISO 12100, Safety of machinery – General
f
principles for design – Risk assessment and risk
reduction
IEC 62061, Safety of machinery – Functional safety
f
of safety‑related electrical, electronic and program‑
mable electronic control systems.
Correct use includes observing the relevant require‑
ments for installation and operation, e.g.:
EN ISO 13849‑1, Safety of machinery – Safety‑re‑
f
lated parts of control systems – Part 1: General
principles for design
The key adapter must be used only in conjunction
with the designated CKS keys from EUCHNER. On the
use of different keys, EUCHNER provides no warranty
for safe function.
Important!
Correct use requires observing the permissible
f
operating parameters (see Technical data).
The user is responsible for the proper integration
f
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.
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.
General safety instructions
Safety components fulfill personal protection func‑
tions. Incorrect installation or tampering can lead to
fatal injuries to personnel.
Check the safe function of the safety guard partic‑
ularly
after any setup work
f
after the replacement of a system component
f
after an extended period without use
f
after every fault
f
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.
The switching operation may be triggered only by
f
keys specially designated for this purpose.
The key must be completely pulled out of the
f
key adapter in order to switch the safety circuit
off safely.
Mounting, electrical connection and setup only
f
by authorized personnel possessing the following
knowledge:
‑ specialist knowledge in handling safety com‑
ponents
‑ 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 instructions from www.euchner.de.
Operating instructions on CD/DVD
Each device is supplied with operating instructions
on CD/DVD which contain detailed information on
the overall system. The following system require‑
ments must be met to be able to display or print
the document:
PC with PDF Reader installed
f
CD/DVD drive
f
Opening and printing the documents
Important: The autoplay function for the drive must
be enabled (see operating system Help), and you will
need a current PDF Reader.
1. Insert CD/DVD
Selection table is opened in the browser
¨
¨
2. Click the related document for your system
The document is opened and can be printed.
¨
¨
Mounting, setup and troubleshooting
For detailed instructions on mounting, setup and trou‑
bleshooting, please refer to the operating instructions
on the CD/DVD.
2
Electrical connection
For detailed information on the electrical connection,
please refer to the operating instructions on the
CD/DVD.
Inspection and service
WARNING
Loss of the safety function because of damage to
the system.
In case of damage, the entire device must be
replaced. Only accessories or spare parts that
can be ordered from EUCHNER may be replaced.
Regular inspection of the following is necessary to
ensure trouble‑free long‑term operation:
Check the switching function
f
Check the secure fastening of the devices and the
f
connections
Check for soiling
f
No servicing is required. Repairs to the device are only
allowed to be made by the manufacturer.
Technical data (extract)
Parameter
AS-Interface data
EA code: 0
AS‑i operating voltage
Total current consumption, max.
Valid AS‑Interface addresses
AS-Interface inputs
Influenced by key
Reliability values according to EN ISO 13849-1
Category
Performance Level
PFH
d
Mission time
Value
ID code: B
DC 19 ... 31.6 DC
50 mA
1 ‑ 31
Acc. to AS‑Interface
Safety at Work
D0 ‑ D3
4
PL e
4.5 x 10
‑9
/ h
20 years
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