ABB ACS580-07 Hardware Manual page 34

34 Operation principle and hardware description
A41 Drive control unit
A61 Emergency stop relay for options +Q951
and +Q963
Q95, F95 Switch-disconnector and miniature circuit
breaker for cabinet heater (option +G300)
K26 Cabinet fan control relay
F22 Auxiliary transformer's secondary side
miniature circuit breaker
T22, C22 24VDC power supply and buffer with
emergency stop options (+Q951 and
+Q963), also with line contactor option
(+F250).
X3 External main contactor control
X250 Indication of main contactor status
X289 Indication of the status of the molded case
circuit breaker (option +F289)
X300 Connection terminals for cabinet heater
(option +G300)
X951 Connection of external emergency stop
button (options +Q951 and Q963)
X969 Connection of external Safe torque off but-
ton
X504 Additional I/O terminal block (option +L504)
K41.1 Ready pilot light control relay (option
+G327)
K41.2 Run pilot light control relay (option+G328)
K41.3 Fault pilot light control relay (option +G329)