Pulse Catch (M8170 To M8175); Allocation Of Special Memories To Input Numbers (On Duration Of Input Signals); Cautions For Pulse Catch - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
9.4

Pulse Catch (M8170 to M8175)

The main unit is provided with a pulse catch function and has 6 pulse catch input points.
9.4.1

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

Input
number
X000
X001
X002
X003
X004
X005
9.4.2

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, SPD
instruction, ZRN instruction, DSZR instruction and general-purpose inputs.
Take care not to overlap the input numbers.
2. Cautions in wiring
It is recommended to use shielded twisted-pair cables for connection cables.
84
→ For details on programming, refer to the programming manual.
Contact on sequence program
M8170
M8171
M8172
M8173
M8174
M8175
ON duration of input signal
10 μs or more
50 μs or more
9 Input Wiring Procedures
9.4 Pulse Catch (M8170 to M8175)