Mitsubishi Electric MELSEC-Q Structured Programming Manual page 168

FXCPU Structured Programming Manual
[Device & Common]
Number and name
High speed counter: Up/down-counter monitor (Refer to Section 2.7 for details.)
[M]8246 C246
[M]8247 C247
[M]8248 C248
[M]8249 C249
[M]8250 C250
[M]8251 C251
[M]8252 C252
[M]8253 C253
[M]8254 C254
[M]8255 C255
166
Operation and function
When the 1-phase 2-input or 2-phase 2-input
counter C is in the down-counting mode, the
corresponding M8 is ON.
• ON: Down-counting operation
• OFF: Up-counting operation
4 Operations of Special Devices (M8000 and later, D8000 and later)
4.1 Special Device List (M8000 and later, D8000 and later)
FX FX FX
1S 1N
Applicable model
Corresponding
FX FX
2N 1NC 2NC
special device
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