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9 Input Wiring Procedures
9.4 Pulse Catch (M8170 to M8175)
84
FX3S Series Programmable Controllers
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.
For details on programming, refer to the programming manual.
9.4.1 Allocation of special memories to input numbers (ON duration of input signals)
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.
Input
number
Contact on sequence program ON duration of input signal
X000 M8170
10 s or more
X001 M8171
X002 M8172
50 s or more
X003 M8173
X004 M8174
X005 M8175