ABB ACH480 Series - Page 97

2)
Description
Term.
1)
Connection
Digital inputs and auxiliary voltage output
×
Aux. voltage output +24 V DC, max. 250 mA
3)
+24V
+24 V
DGND
DCOM
DI1
DI2
DI3
DI4
DI5
DI6
+24 V
DGND
DCOM
DI1
DI2
DI3
DI4
DI5
DI6
×Aux. voltage output commonDGND
×Digital input common for allDCOM
×Stop (0) / Start (1)DI1
×Not configuredDI2
Constant output frequency selection
4)
DI3
Start interlock 1 (1 = allow start)DI4
Not configuredDI5
Not configuredDI6
Relay outputs
Aux. voltage output +24 V DC, max. 250 mA
3)
+24V
RO2C
RO2A
RO2B
RO3C
RO3A
RO3B
RO1C
RO1A
RO1B
+24 V
DGND
DCOM
+24 V
DGND
DCOM
Aux. voltage output commonDGND
Digital input common for allDCOM
×Damper control
250 V AC / 30 V DC, 2 A
CommonRO1C
×Norm. closedRO1A
×Norm. openRO1B
Running
250 V AC / 30 V DC, 2 A
CommonRO2C
Norm. closedRO2A
Norm. openRO2B
Fault (-1)
250 V AC / 30 V DC, 2 A
CommonRO3C
Norm. closedRO3A
Norm. openRO3B
Embedded EIA-485
Embedded fieldbus (EIA-485)B+
B+
A-
DGND
A-
DGND
Termination switch. ON = on. 1 = off.TERM
Safe torque off
×Safe torque off. Factory connection. Both circuits
must be closed for the drive to start.
SGND
OUT1
SGND
IN1
IN2
×IN1
×IN2
×OUT1
Electrical installation – North America 97