EUCHNER CES-AH-C03-AH-SM (Unicode) - Manual (Page 3)

Operating Instructions Safety Switch CES-AH-C03-AH-SM
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Correct use
The Coded Electronic Safety switches series CES are safety devices for monitor-
ing movable safety guards.
In combination with a safety guard, this safety component prevents dangerous
machine movements from being performed for as long as the safety guard is
opened. A stop command is triggered if the safety guard is opened during the
dangerous machine function.
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.
General principles for design
Ì EN ISO 14121-1, Safety of machinery. Risk assessment. Principles
Ì IEC 62061, Safety of machinery. Functional safety of safety-related electrical,
electronic and programmable electronic control systems.
Devices in the system family CES-AH... have special safety outputs that are suitable
for the direct switching of large loads. In appropriate applications it is therefore
not necessary to connect power relays or contactors in between.
The device interrupts the supply of power to the load, if, e.g., the safety guard
is open.
Correct use includes compliance with the relevant requirements for installation
and operation, for example
Ì EN ISO 13849-1, Safety of machinery. Safety related parts of control systems.
General principles for design
Ì EN 1088, 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
Ì EN 60947-5-3, Specification for low-voltage switchgear and controlgear. Con-
trol circuit devices and switching elements. Requirements for proximity devices
with defined behaviour under fault conditions
The safety switch must be used only in conjunction with the designated CES ac-
tuators from EUCHNER. On the use of different actuators, EUCHNER provides no
warranty for safe function.
Important!
Ì The user is responsible for the integration of the device into a safe overall
system. For this purpose, the overall system must be validated, e.g. in ac-
cordance with EN ISO 13849-2.
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 in case of discrepancies with the operating instructions.
Ì It is only allowed to use components that are permissible in accordance with
the table below.