Default I/O diagram of the inverter control unit
(UCU-22…24)
The table below describes the use of the connections in the inverter unit. Under normal
circumstances, the factory-made wiring should not be changed.
The wire size accepted by all screw terminals (for both stranded and solid wire) is
0.5 … 2.5 mm
2
(22…12 AWG). The tightening torque is 0.45 N·m (4 lbf·in).
DescriptionTerminal
Drive-to-drive linkXD2D
Drive-to-drive link. Refer to section The XD2D connector (page 163).
B1
A2
BGND3
SHIELD4
Drive-to-drive link termination switch.XD2D.TERM
RS485 connectionX485
Not in use by default
B5
A6
BGND7
SHIELD8
X485 bias selection switchX485 BIAS
X485 termination switchX485 TERM
CAN busXCAN
Not supported
CANH9
CANL10
CGND11
Control cable shieldSHIELD12
CANopen termination switchXCAN TERM
Relay output 1XRO1
XRO1: Ready (Energized = Ready)
250 V AC / 30 V DC, 2 A
Norm. closedNC111
CommonCOM112
Norm. openNO113
Relay output 2XRO2
XRO2: Running (Energized = Running)
250 V AC / 30 V DC, 2 A
Norm. closedNC221
CommonCOM222
Norm. openNO223
Relay output 3XRO3
Control units of the drive 159