Warning About Misuse; Exclusion Of Liability; General Information Regarding The Product - Wenglor SR4E4D01S Notice D'instructions

EN

3.2. Warning about misuse

• In case of inadequate or improper use or manipulations of the output expander module, personal
hazards or damage to machinery or plant components cannot be excluded.
• The relevant requirements of the standards ISO 14119 and EN ISO 13850 must be observed.

3.3. Exclusion of liability

• We shall accept no liability for damages and malfunctions resulting from defective mounting or failure to
comply with this operating instructions manual.
• The manufacturer shall accept no liability for damages resulting from the use of unauthorized spare parts
or accessories.
• For safety reasons, invasive work on the device as well as arbitrary repairs, conversions and modifications
to the device are strictly forbidden; the manufacturer shall accept no liability for damages resulting from
such invasive work, arbitrary repairs, conversions and/or modifications to the device.
• The safety-monitoring module must only be used when the enclosure is closed, i.e. with the front cover
fitted.

3.4. General Information Regarding the Product

• The function is defined as the opening of the enabling circuits 13-14, 23-24, 33-34 and 43-44 when the
supply voltage A1-A2 is disconnected.
• The safety-relevant current paths with the outputs contacts 13-14, 23-24 33-34 and 43-44 meet the following
requirements under observation of a PFH value assessment:
– Control category 4 – PL "e" to DIN EN ISO 13849-1
– Corresponds to SIL 3 to DIN EN 61508-2
– SILCL 3 to DIN EN 62061
• To determine the Performance Level (PL) of the entire safety function (e.g. sensor, logic, actuator) to DIN
EN ISO 13849-1, an analysis of all relevant components is required.
• This device is designed as output expander module. The safety function is only realized in conjunc-
tion with the basic device. To this effect, the device must be connected in accordance with the wiring
example!
14