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Installation pH 296
119
Connecting a InPro
®
4250 (high-resistance)
1
11
2
10
3
9
4
8
5
7
6
6
7
5
8
4
9
3
10
2
11
1
12
13
X2
X1
white
green
copper
and yellow/green
transparent
gray
blue = unused
VP6-ST
Terminal
Terminal assignment
X1
X2
1
A (RS 485)
REC 1 +
2
B (RS 485)
REC 1 –
3
GND (RS 485)
REC 2 +
4
Sens-Check
REC 2 –
5
Sens-Check
–
6
Relay 1
–
7
Relay 1
–
8
Relay 2
white
9
Relay 2
gray
10
N (mains)
green
11
L1 (mains)
copper and yellow/green
12
–
transparent
13
–
–
Unused wires must not jut into the housing. Otherwise,
malfunctions can occur. This especially applies to the ground wire
of the mains cable.
Cut off unused wires in the housing as close to the armored thread
joint as possible.