Mitsubishi Electric MELSEC-Q Structured Programming Manual page 153

FXCPU Structured Programming Manual
[Device & Common]
Number and name
Positioning (FX PLCs) (Refer to the position control manual for details.)
3U
[M]8370 [Y003] Pulse output monitor (ON:BUSY/OFF:READY)
*1 [Y003] Clear signal output function enable
M 8371
*1 [Y003] Zero point return direction specification
M 8372
M 8373 [Y003] Normal rotation limit
M 8374 [Y003] Reverse rotation limit
*1
[Y003] Near-point watchdog signal logic reverse
M 8375
*1 [Y003] Zero point signal logic reverse
M 8376
*1 [Y003] Interrupt signal logic reverse
M 8377
[M]8378 [Y003] Positioning instruction being driven
*1 [Y003] Pulse output stop command
M 8379
RS2 instruction [ch0] (FX3G/FX3GC PLCs) (Refer to the data communication manual for details.)
[M]8370 Unavailable
*1 RS2(FNC 87)[ch0] Send wait flag
[M]8371
*1 RS2(FNC 87)[ch0] Send request
M 8372
*1
M 8373 RS2(FNC 87)[ch0] Receive complete flag
[M]8374 to [M]8378 Unavailable
M 8379 RS2(FNC 87)[ch0] Timeout check flag
*1. Cleared when the PLC mode switches from RUN to STOP or when the RS2 instruction [ch0] turns
OFF.
*2. Available only when two FX
High speed counter function (Refer to Subsection 2.7.5 for details.)
Operation status of C235, C241, C244, C246, C247, C249,
*3
[M]8380
C251, C252 and C254
*3
Operation status of C236
[M]8381
*3
Operation status of C237, C242 and C245
[M]8382
Operation status of C238, C248, C248 (OP), C250, C253
*3
[M]8383
and C255
*3
Operation status of C239 and C243
[M]8384
*3
Operation status of C240
[M]8385
*3
Operation status of C244 (OP)
[M]8386
*3
Operation status of C245 (OP)
[M]8387
[M]8388 Contact for high speed counter function change
M 8389 External reset input logic changeover
M 8390 Function changeover device for C244
M 8391 Function changeover device for C245
M 8392 Function changeover device for C248 and C253
*3. Cleared when the PLC mode switches from STOP to RUN.
Interrupt program
[M]8393 Contact for delay time setting
HCMOV (FNC189) instruction: Drive contact for interrupt
[M]8394
program
[M]8395 Function changeover device for C254
[M]8396
Unavailable
[M]8397
Ring counter
M 8398
1 ms ring counter activation (32 bits)
[M]8399 Unavailable
*4. The 1 ms ring counters (D8399 and D8398) are activated when the END instruction is executed after
M8398 turned ON.
4 Operations of Special Devices (M8000 and later, D8000 and later)
Operation and function
-2HSY-ADP units are connected to an FX
3U
*4
4.1 Special Device List (M8000 and later, D8000 and later)
Applicable model
FX FX FX FX
3U 3UC 3G 3GC
*2
- - -
*2
- - -
*2
- - -
*2
- - -
*2
- - -
*2
- - -
*2
- - -
*2
- - -
*2
- - -
*2
- - -
- - - -
- -
- -
- -
- - - -
- -
PLC.
3U
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- - - -
- - - -
- - - -
Corresponding
FX
3S
special device
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
-
- -
- -
- -
-
- D8393
- -
- -
- -
- -
D8398, D8399
- -
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