ABB ACH480 - Default fieldbus connection diagram

4)
Drive output frequency:
Operation/ParameterDI4DI3
Set output frequency through AI100
28.26 Constant frequency 101
28.27 Constant frequency 210
28.28 Constant frequency 311
￭
Default fieldbus connection diagram
The connection diagrams are applicable to the base unit with an optional fieldbus
adapter module.
2)
Description
Terminal
1)
Connection
Auxiliary voltage output and digital inputs
×Aux. voltage output +24 V DC, max. 250 mA+24V10
+24 V
DGND
DCOM
DI1
DI2
+24 V
DGND
DC
OM
DI1
DI2
×Aux. voltage output commonDGND11
×Digital input common for allDCOM12
×Stop (0) / Start (1)DI113
×Not configuredDI214
Relay outputs
×Aux. voltage output +24 V DC, max. 250 mA+24V10
RO1C
RO1A
RO1B
+24 V
DGND
DCOM
×Aux. voltage output commonDGND11
×Digital input common for allDCOM12
×Damper control
250 V AC / 30 V DC, 2 A
CommonRO1C19
×Norm.
closed
RO1A20
×Norm. openRO1B21
Safe torque off
×Safe torque off. Factory connection. Both cir-
cuits must be closed for the drive to start.
SGND34
OUT1
SGND
IN1
IN2
×IN135
×IN236
×OUT137
76 Electrical installation – IEC