13 WIRING
13.5 Input Wiring
177
13
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Input circuit
• Function of input circuit
The primary and secondary circuits for input are insulated with a photocoupler, and the second circuit is provided with a C-R
filter.
The C-R filter is designed to prevent malfunctions caused by chattering of the input contact and noise from the input line.
Input has a response delay when switching from on to off and off to on
CPU module:
I/O module:
• Change of filter time
All input circuits have digital filters, and input response time can be added by setting parameters.
When using this product in an environment with much noise, set the digital filter. (
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Input sensitivity
For details on input signal current and input sensitivity current, refer to the input specifications.
• CPU module:
• I/O module:
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Display of operation
The LED turns on when the photocoupler is driven.
For a module with the DISP switch, the LED target is switched with the DISP switch.
Содержание MELSEC iQ-F FX5UC Series
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