Pulse Catch (M8170 To M8175); Allocation Of Special Memories To Input Numbers (On Duration Of Input Signals); Cautions For Pulse Catch - Mitsubishi Electric MELSEC-F FX3G Series User Manual

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
10.5

Pulse Catch (M8170 to M8175)

The PLC (main unit) is provided with a pulse catch function and has 6 pulse catch input points.

10.5.1 Allocation of special memories to input numbers (ON duration of input signals)

Input number
X000
X001
X002
X003
X004
X005

10.5.2 Cautions for pulse catch

1. Non-overlap of input numbers
The input terminals X000 to X005 can be used for high-speed counter, input interruption, pulse catch, speed
detection (SPD) instructions and general-purpose input.
Take care not to overlap the input numbers.
2. Cautions in wiring
It is recommended to use shielded twisted-pair cables for connection cables.
→ For details on programming, refer to the programming manual.
Contact on sequence program
M8170
M8171
M8172
M8173
M8174
M8175
10 Input Wiring Procedures
10.5 Pulse Catch (M8170 to M8175)
ON duration of input signal
10 s or more
50 s or more
10 s or more
50 s or more
1
2
3
4
5
6
7
8
9
10
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