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10 Input Wiring Procedures
10.5 Pulse Catch (M8170 to M8175)
156
FX3G Series Programmable Controllers
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.
→ For details on programming, refer to the programming manual.
10.5.1 Allocation of special memories to input numbers (ON duration of input signals)
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.
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
10 s or more
X004 M8174
X005 M8175 50 s or more