82 Control unit
AC500 module AI561 #2 (A521)
Signal/parameter name Optional Interface type I/O terminal
M2 DC INPUT CURRENT 9 X Analog input ±4 V DC / ±5 V DC AI0
M2 DC INPUT CURRENT 10 X Analog input ±4 V DC / ±5 V DC AI1
M2 DC INPUT CURRENT 11 X Analog input ±4 V DC / ±5 V DC AI2
M2 DC INPUT CURRENT 12 X Analog input ±4 V DC / ±5 V DC AI3
AC500 module DX572 #1 (A530)
Signal/parameter name Optional Interface type I/O terminal
M1 DC SWITCH STATUS Digital input 24 V DC DI0
M1 AC SWITCH FEEDBACK Digital input 24 V DC DI1
M1 LCL OVERHEATING STATUS Digital input 24 V DC DI2
M1 AC CONTACTOR STATUS Digital input 24 V DC DI3
M1 DC CONTACTOR STATUS Digital input 24 V DC DI4
M1 48 VDC STATUS Digital input 24 V DC DI5
M1 48 VDC BUFFER STATUS Digital input 24 V DC DI6
M1 CABINET FAN STATUS Digital input 24 V DC DI7
M1 AC DOOR STATUS Digital input 24 V DC DI8
M1 DC DOOR STATUS Digital input 24 V DC DI9
M1 DC INPUT FUSES STATUS Digital input 24 V DC DI10
M1 AC BREAKER TRIPPED X Digital input 24 V DC DI11
SPARE DI5 Digital input 24 V DC DI12
SPARE DI6 Digital input 24 V DC DI13
ACTIVE POWER LIMITATION SIGNAL Digital input 24 V DC DI14
REACTIVE POWER LIMITATION
SIGNAL
Digital input 24 V DC DI15
AC500 module DX572 #3 (A531)
Signal / parameter name Optional Interface type I/O terminal
M2 DC SWITCH STATUS Digital input 24 V DC DI0
M2 AC SWITCH FEEDBACK Digital input 24 V DC DI1
M2 LCL OVERHEATING STATUS Digital input 24 V DC DI2
M2 AC CONTACTOR STATUS Digital input 24 V DC DI3
M2 DC CONTACTOR STATUS Digital input 24 V DC DI4
M2 48 VDC STATUS Digital input 24 V DC DI5
M2 48 VDC BUFFER STATUS Digital input 24 V DC DI6
M2 CABINET FAN STATUS Digital input 24 V DC DI7
M2 AC DOOR STATUS Digital input 24 V DC DI8
M2 DC DOOR STATUS Digital input 24 V DC DI9
M2 DC INPUT FUSES STATUS Digital input 24 V DC DI10
M2 AC BREAKER TRIPPED X Digital input 24 V DC DI11
SPARE DI7 Digital input 24 V DC DI12
SPARE DI8 Digital input 24 V DC DI13
SPARE DI9 Digital input 24 V DC DI14
SPARE DI10 Digital input 24 V DC DI15