Wiring
Page 18
1. WIRING RECOMMENDATIONS
The input network ( U
L1
, I
L1
) may carry significant disturbances, and they may disturb the complete processing
chain. In order to avoid this the disturbance immunity can be improved efficiently by respecting a few simple rules:
Do not connect too close: the input network and the instrument power supply wires.
Do not connect too close: the input network and all the instrument output wires (pulse outputs, relay outputs ...)
Use for all the outputs of the instrument shielded cables connected to the GND on both ends.
In order to avoid any influence of the current take
up on the voltage measure, connect the CT’s
before the VT’s.
2. WIRING OF THE POWER SUPPLY
Load
Network
S1
µ
C
o
n
s
o
le
Power
supply
Measure inputs
Connector of the relay outputs
Configuration label
A
3
A
2
A
1
E
4
E
3
E
2
E
1
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
N
1
N
2
Note: For an AC supply
, the phase and
the neutral can be connected indifferently
on the terminals A1 and A3.
For a DC supply
, the + and the – can be
connected indifferently on A1 and A3.
A1
A3
P
+
N
-
AC supply
DC supply
A2
Connector of the analog outputs
