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Terminal
1
DI1
1
2
DI2
2
3
DI3
3
4
4
DI4
5
5
DI5
6
6
DI6
7
7
DIIL
XDIO
1
DIO1
1
2
2
DIO2
3
3
DIOGND
4
4
DIOGND
XD24
1
+24VD
5
6
2
DICOM
7
3
+24VD
8
4
DIOGND
DICOM=DIOGND
XAI
1
+VREF
1
2
-VREF
2
3
AGND
3
4
4
AI1+
5
5
AI1-
6
6
AI2+
7
7
AI2-
AI1
AI2
XAO
1
AO1
1
2
2
AGND
3
3
AO2
4
4
AGND
XPOW
1
+24VI
1
2
2
GND
3
3
+24VI
4
4
GND
X12
X13
Description
2)
Temp fault
(0 = overtemperature)
2)
Run enable
(1 = run enable)
3)
MCB feedback
(0 = main contactor/breaker open)
Auxiliary circuit breaker fault
Not in use by default. Can be used for eg. earth fault monitoring.
2)
Reset
(0 -> 1 = fault reset)
Not in use by default. Can be used for eg. emergency stop.
Digital input/outputs
Not in use by default
Not in use by default
Digital input/output ground
Digital input/output ground
Auxiliary voltage output
5)
+24 V DC 200 mA
Digital input ground
5)
+24 V DC 200 mA
Digital input/output ground
Ground selection switch
Analog inputs, reference voltage output
10 V DC, R
1...10 kohm
L
-10 V DC, R
1...10 kohm
L
Ground
Not in use by default. 0(2)...10 V, R
Not in use by default. 0(4)...20 mA, R
AI1 current/voltage selection switch
AI2 current/voltage selection switch
Analog outputs
Zero (no signal indicated)
Zero (not signal indicated)
External power input
24 V DC, 2.05 A
Not in use in supply units
Control panel connection
2)
6)
> 200 kohm
in
= 100 ohm
in
2)
0...20 mA, R
< 500 ohm
L
2)
0...20 mA, R
< 500 ohm
L
The control unit 51
7)
8)
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