6
3 Items supplied
• 1 safety relay G1502S
• 1 copy of the operating instructions safety relay
If one of the above-mentioned components is missing or damaged, please contact
one of the ifm branch offices�
4 Functions and features
The safety relay is a redundant system and suited for use as:
• Safety relay for fail-safe sensors/switches with 2 PNP outputs
(e.g. GM701S, → chapter 8.1).
• Safety relay for clocked fail-safe sensors
(e.g. GM504S, → chapter 8.2).
• Relay for two-hand control to EN 574 and EN ISO 13851, type IIIC, with
electronic sensors/switches (→ chapter 8.3).
• Relay for two-hand control to EN 574 and EN ISO 13851, type IIIC with
mechanical switches / safety relay for mechanical switches or 2-channel
fail-safe sensors/switches (e.g. ESPE to EN 61496-1) with contact output with
simultaneity monitoring (→ chapter 8.4).
• Safety relay for e-stop, for two-channel fail-safe sensors/switches (e�g� ESPE
to EN 61496-1) with contact output without simultaneity monitoring (indefinite
simultaneity) or for mechanical switches (→ chapter 8.5).
ifm electronic gmbh assumes no liability for the use of units made by
external manufacturers�
The safe state is when the output contacts 13-14, 23-24, 33-34, 43-44,
67-68 or 77-78 are open and the output contact 51-52 is closed�
The G1502S safety relay was tested and certified by TÜV-Nord�
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