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ZCU-14 default I/O connection diagram
The diagram shows the control connections of the supply unit, and the default meaning
or use of the signals in the supply unit control program.
The wire size accepted by all screw terminals (for both stranded and solid wire) is
2
0.5 ... 2.5 mm
(24...12 AWG). The torque is 0.5 N·m (5 lbf·in).
Note: As the same control program is in use with different diode supply types, the
default connections shown are not applicable to them all. For example, some units
have a DC link charging circuit, some do not. The default parameter settings and I/O
connections are valid for the version without the charging circuit.
Terminal
XRO1, XRO2, XRO3
13
NO
13
12
COM
12
11
NC
11
23
NO
23
22
22
COM
21
21
NC
33
33
NO
32
32
COM
31
31
NC
XPOW
2
GND
2
1
1
+24VI
J1, J2
J1
J2
XAI
7
AI2-
7
6
AI2+
6
5
AI1-
5
4
4
AI1+
3
3
AGND
2
2
-VREF
1
1
+VREF
XAO
4
AGND
4
3
AO2
3
2
2
AGND
1
1
AO1
J3
J3
Description
Relay outputs
Norm. open
Common
Norm. closed
Norm. open
Common
Norm. closed
Norm. open
Common
Norm. closed
External power input
24 V DC, 2 A minimum (without optional modules)
AI current/voltage selection
AI1 current/voltage selection jumper
AI2 current/voltage selection jumper
Analog inputs, reference voltage output
Not in use by default. 0(4)...20 mA, R
Not in use by default. 0(2)...10 V, R
Ground
-10 V DC, R
1...10 kohm
L
10 V DC, R
1...10 kohm
L
Analog outputs
Zero (no signal indicated)
Zero (no signal indicated)
Drive-to-drive link termination
Drive-to-drive link termination switch
XRO1: Running
ning) 250 V AC / 30 V DC, 2 A
XRO2: Fault (-1)
fault) 250 V AC / 30 V DC, 2 A
XRO3: MCB ctrl
main contactor/breaker) 250 V AC /
30 V DC, 2 A
= 100 ohm
in
4)
> 200 kohm
in
1)
0...20 mA, R
< 500 ohm
L
1)
0...20 mA, R
< 500 ohm
L
5)
The control unit 133
1)
(Energized = run-
1)
(Energized = no
2)
(Energized = closes
3)
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