X20
1VREF-
Reference voltage -10 V DC, 1 kohm < R
L
< 10
kohm
2AGND
X21
1VREF+
Reference voltage 10 V DC, 1 kohm < R
L
< 10
kohm
2AGND
3AI1+
Not in use. 1) 0(2)…10 V, R
in
> 200 kohm
4AI1-
5AI2+
Not in use. 1) 0(4)…20 mA, R
in
= 100 ohm
6AI2-
7AI3+
Not in use. 1) 0(4)…20 mA, R
in
= 100 ohm
8AI3-
9AO1+
Not in use. 1) 0(4)…20 mA, R
L
< 700 ohm
10 AO1-
11 AO2+
Not in use. 1) 0(4)…20 mA, R
L
< 700 ohm
12 AO2-
X22
1DI1
Alarm / Fault
2DI2
On/Off
3DI3
Acknowledgement of main contactor
4DI4
Ground fault 1)
5DI5
Alarm/Fault 1)
6DI6
Reset 1)
7+24V
+24VDC max. 100mA
8+24V
9 DGND1
Digital ground
10 DGND2
Digital ground
11 DIIL
Not in use 1)
X23
1+24V
Auxiliary voltage output, non-isolated, 24 V DC
250 mA
2GND
X25
1RO1
Charging contactor control: open (0) /
close (1)
2RO1
3RO1
X26
1RO2
LCU control: off (0) / on (1)
2RO2
3RO2
X27
1RO3
Main breaker/contactor control: open (0)
/ close (1)
2RO3
3RO3
1) Not in use as default.
For details, see the delivery-specific
circuit diagrams of the drive. The
diagrams show:
- supply unit on/off control
- main breaker supervision and on/off
control
- charging contactor on/off control
- optional auxiliary circuit wiring.
WARNING! Starting sequence ie,
charging, acknowledgements, main
breaker/contactor control and the
supply unit start, follows a certain order.
Never change the order by by-passing
signals (using jumpers), etc. That will
cause a malfunction that may damage
the unit.
Terminal block size:
cables 0.3 to 3.3 mm
2
(22 to 12 AWG)
Tightening torque:
0.2 to 0.4 N·m (0.2 to 0.3 lbf·ft)
START
1
0
3
4
1
2
Control circuitry
Main breaker/contactor
Charging contactor
Operating switch
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