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PRECAUTIONS
Despite the fact that the instrument
has been designed to work in an
harsh and noisy environmental
(level IV of the industrial standard
IEC 801-4), it is recommended to
follow the following suggestions.
A
All the wiring must comply with the
local regulations.
The supply wiring should be rout-
ed away from the power cables.
Avoid to use electromagnetic con-
tactors, power Relays and high
power motors nearby.
Avoid power units nearby, espe-
cially if controlled in phase angle
Keep the low level sensor input
wires away from the power lines
and the output cables.
If this is not achievable, use shield-
ed cables on the sensor input, with
the shield connected to earth.
B
2.2 PRECAUTIONS AND ADVISED CONDUCTOR COURSE
B
A
L
1
2
N
3
4
10
5
11
6
12
C
Conduit for supply and output cables
B B
B
A
L
7
13
1
8
14
2
N
9
3
15
16
4
17
5
18
6
E D
C
C
Conduit for low level sensor cables
2 - Electrical connections
B
B
7
13
8
14
9
15
10
16
11
17
12
18
A = Supply
B = Outputs
C = Analog inputs
D = Analogue
Output
E D
C
Serial Comm.s
E = SSR drive
output
9
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