ABB ACH480 Series - Page 73

2)
Description
Term.
1)
Connection
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
Auxiliary voltage input/output
Aux. voltage output +24 V DC, max. 250 mA
3)
+24V
+24 V
DGND
DCOM
Aux. voltage output commonDGND
Digital input common for allDCOM
1)
Terminal size: 0.14 … 1.5 mm
2
(26 … 16 AWG) Tightening torque: 0.5 … 0.6 N·m (4.4 … 5.3 lbf·in)
2)
× = base unit, empty = RIIO-01 module
3)
The sum output current from 24 V terminals of base unit and RIIO-01 module must not exceed 250 mA.
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
Electrical installation – IEC 73