5
2120545-05-08/18 (translation of the original operating instructions)
Operating Instructions
Non-Contact Safety Switch CES-I-AS2A-M-C04
EN
2. Correct use
The series CES-I-AS
C
oded
E
lectronic
S
afety switches from EUCHNER are operated as slaves on the safety bus AS-Interface
Safety at Work and function as interlocking devices with low coding level without guard locking (type 4). The device meets
the requirements according to EN IEC 60947-5-3.
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:
Ì
Starting commands that cause a dangerous machine function must become active only when the safety guard is closed.
Ì
Opening the safety guard triggers a stop command.
Ì
Closing 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 ISO 12100 or relevant C-standards.
Before safety switches are used, a risk assessment must be performed on the machine, e.g., in accordance with:
Ì
EN ISO 13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
Ì
EN ISO 12100, Safety of machinery – General principles for design – Risk assessment and risk reduction
Ì
IEC 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.
Ì
EN ISO 13849-1, Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design
Ì
EN ISO 14119, Safety of machinery – Interlocking devices associated with guards – Principles for design and selection
Ì
EN 60204-1, Safety of machinery. Electrical equipment of machines. General requirements.
The safety switch must be used only in conjunction with the designated CES actuators from EUCHNER. On the use of different
actuators, EUCHNER provides no warranty for safe function.
Important!
Ì
The 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.
Ì
In the estimation of the PL for the overall system, a maximum value of 100 years can be assumed
for the MTTF
D
according to the limit value in EN ISO 13849-1:2008, section 4.5.2. This corre-
sponds to a minimum value for the PFH
D
of 2.47 x 10
-8
/h.
Ì
Correct use requires observing the permissible operating parameters (see Technical data).
Ì
If a product data sheet is included with the product, the information on the data sheet applies.
Ì
It is only allowed to use components that are permissible in accordance with the table below.
Table 1: Possible combinations for CES components
Safety switch
Actuator
CES-A-BBN-C04-115271
CES-A-BDN-06-104730
CES-I-AS2A-M-C04-...
Key to symbols
Combination possible