Connections And Use Of The I/O In The Supply Unit - ABB ACS800-17LC Hardware Manual

Connections and use of the I/O in the supply unit

The table and the figure below describe the connections and use of the I/O in the
supply unit. The use of I/O is fixed in the supply unit control program and the wiring
to RMIO terminals are made accordingly at the factory. The settings of the supply
control program and the connections of the supply unit I/O must not be changed by
the user.
IO Name
RDCU standard I/O channel
AI1 Not in use
A12 Not in use
AI3 Not in use
DI1 ALARM / FAULT
DI2 ON / OFF
DI3 ACK MAIN
CONTACTOR
DI4 EARTH FAULT
DI5 ALARM / FAULT
DI6 RESET
DIIL Not in use
RO1 CHARGING
RO2 LCU ON / OFF
RO3 MAIN
CONTACTOR
CONTROL
Use in the control program
Not in use as default.
Not in use as default.
Not in use as default.
Overtemperature supervision: 1->0: Alarm.
0: Fault (after preset time delay).
Supply module on/off control. 0->1: On.
0: Off.
Main breaker/contactor supervision. 1:
closed (enables supply unit start)
Ground fault supervision. Can be activated or
inactivated by parameter. 1: No fault. Not in
use as default.
Supervision of cooling unit. Can be activated
or inactivated by parameter. 1->0: Alarm.
0: Fault (after preset time delay). Not in use
as default.
Supply module reset. 1: Reset.
Not in use as default.
On/off control of charging contactor. 1: On.
Liquid cooling unit on/off control. 1: On.
Main breaker/contactor control. 1: On.
Connected device / Purpose
Not in use as default.
Not in use as default.
Not in use as default.
LCL filter temperature sensors (in series)
Operating switch, control circuitry
Contact in main breaker/contactor control
circuit
Insulation monitoring device (option +Q954)
Cooling unit monitoring circuit. Not in use but
hard-wired to +24 V DC of RDCU when no
optional cooling unit is in use.
Not connected as default. Fault reset can be
given from control panel.
Not in use as default.
Charging circuit control relay
Cooling unit control relay. Not connected
when no optional cooling unit (+C139, +C140
or +C141) is in use.
Breaker control circuit
Hardware description
45