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FX2N-8AD Analog input block Wiring 6
6-3
*1 Use a two-core, twisted, shielded cable for the analog input line, and separate it from
other power lines or a lines easily induced.
*2 If there is voltage ripple in the input or there is noise in the external wiring, connect a
capacitor of approximately 0.1 to 0.47
µ
F, 2 5 V.
*3 For the current input, make sure to short-circuit the “VO+” terminal and the “IO+” terminal
(O: input channel No.).
*4 Make sure to connect the terminal to the terminal of the PLC main unit to
which Class D grounding (100
Ω
or less) is performed.
*5 The 24 V DC service power supply of the PLC is also available.
*6 Use an isolated type thermocouple.
- When using the thermocouple input, use compensating conductors suitable to the
thermocouple.
- Never perform wiring to terminals.
- For the terminal arrangement, refer to Section 3.
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