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<3. Attaching and Wiring Modules >
3-3
IM 34M6H54-01E
1st Edition : Feb.01,1999-00
3.2
Wiring Precautions
(1)
Connecting input terminals
Do not reverse the connections. If connected in reverse, the module will not work.
IN –
IN +
+
–
F3XS04-
u
N
F0303.EPS
Figure 3.3 Connecting Input Terminals
If the modules are used in harsh environments where they are influenced by noise interfer-
ence, apply a shielded, twisted-pair cable for the connection between the signal source and
F3X04-
u
N module.
Connect the shielding wire of the twisted pair to the F3X04-
u
N shield terminal. Each shield
terminal of F3X04-
u
N module is connected to the frame ground (FG) terminal of the power
supply module through the base module.
IN1
SHIELD
Signal source
F3XS04-
u
N Module
F0304.EPS
Figure 3.4 Connecting the Signal Source and FSX04-
u
N Module
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