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R2 CAN Installation manual
7.1.1 IRMA-Gateway-4-IBIS and IRMA-Gateway-4-RS485.2
The connections listed below apply to units IRMA-Gateway-4-IBIS and IRMA-Gateway-4-
RS485.2
Table 7: Door contact with evaluation of potential free switches
Switching input_1, contact "b"
Switching input_1, contact "a"
Switching input_2, contact "b"
Switching input_2, contact "a"
Switching input_3, contact "b"
Switching input_3, contact "a"
Switching input_4, contact "b"
22 Switching input_4, contact "a" Yellow