Indication of the status of the molded case
circuit breaker (option +F289)
X289Drive control unitA41
Connection terminals for cabinet heater
(option +G300)
X300Emergency stop relay for options +Q951
and +Q963
A61
Connection of external emergency stop
button (options +Q951 and Q963)
X951Switch-disconnector and miniature circuit
breaker for cabinet heater (option +G300)
Q95, F95
Connection of external Safe torque off but-
ton
X969Cabinet fan control relayK26
Additional I/O terminal block (option +L504)X504Auxiliary transformer's secondary side
miniature circuit breaker
F22
Ready pilot light control relay (option +G327)K41.124VDC power supply and buffer with emer-
gency stop options (+Q951 and +Q963),
also with line contactor option (+F250).
T22, C22
Run pilot light control relay (option+G328)K41.2External main contactor controlX3
Fault pilot light control relay (option +G329)K41.3Indication of main contactor statusX250
X251, X4, X6, X56, X53, X51, X55, X18 and X19: for internal use.
40 Operation principle and hardware description
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