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Appendix A: Special Device List
196
FX3S Series Programmable Controllers
User's Manual - Hardware Edition
Appendix A-2 Special Data Register (D8000 to D8511)
*1. 1 ms ring counter (D8399, D8398) will operate after
M8398 turns ON.
*2. Cleared when PLC switches from RUN to STOP.
Number and name Content of register
Correspond-
ing special
device
Positioning
D 8340 Lower [Y000] Current value
register
Default: 0
-
D 8341 Upper
D 8342
[Y000] Bias speed
Default: 0
-
D 8343 Lower
[Y000] Maximum speed
Default: 100000
-
D 8344 Upper
D 8345
[Y000] Creep speed
Default: 1000
-
D 8346 Lower
[Y000] Zero return speed
Default: 50000
-
D 8347 Upper
D 8348
[Y000] Acceleration time
Default: 100
-
D 8349
[Y000] Deceleration time
Default: 100
-
D 8350 Lower [Y001] Current value
register
Default: 0
-
D 8351 Upper
D 8352
[Y001] Bias speed
Default: 0
-
D 8353 Lower
[Y001] Maximum speed
Default: 100000
-
D 8354 Upper
D 8355
[Y001] Creep speed
Default: 1000
-
D 8356 Lower
[Y001] Zero return speed
Default: 50000
-
D 8357 Upper
D 8358
[Y001] Acceleration time
Default: 100
-
D 8359
[Y001] Deceleration time
Default: 100
-
D 8360 to D 8369 Not used -
Ring counter
D 8398 Lower
Up-operation ring counter
of 0 to 2,147,483,647
(in units of 1 ms, 32 bit)
*1
M8398
D 8399 Upper
Number and name Content of register
Correspond-
ing special
device
RS2 instruction (FNC 87) [ch1]
D 8400
RS2 instruction (FNC 87) [ch1]
Communication format setting
-
[D]8401 Not used -
[D]8402
*2
RS2 instruction (FNC 87) [ch1]
Remaining points of transmit data
M8402
[D]8403
*2
RS2 instruction (FNC 87) [ch1]
Monitoring receive data points
M8403
[D]8404 Not used -
[D]8405
Communication parameter display
[ch1]
-
[D]8406 to [D]8408 Not used -
D 8409
RS2 instruction (FNC 87) [ch1]
Time-out time setting
-
D 8410
RS2 instruction (FNC 87) [ch1]
Header 1 and 2 <Default: STX>
-
D 8411
RS2 instruction (FNC 87) [ch1]
Header 3 and 4
-
D 8412
RS2 instruction (FNC 87) [ch1]
Terminator 1 and 2 <Default: ETX>
-
D 8413
RS2 instruction (FNC 87) [ch1]
Terminator 3 and 4
-
[D]8414
RS2 instruction (FNC 87) [ch1]
Receive sum (received data)
-
[D]8415
RS2 instruction (FNC 87) [ch1]
Receive sum (calculated result)
-
[D]8416
RS2 instruction (FNC 87) [ch1]
Send sum
-
[D]8417
Not used
-
[D]8418 -
[D]8419 Operation mode display [ch1] -
MODBUS communication [ch1]
D 8400 Communication format -
D 8401 Protocol -
D 8402 Communication error code M8402
D 8403 Error details M8403
D 8404 Error step number -
[D]8405 Communication format display -
[D]8406 Not used -
[D]8407 Step number being executed -
[D]8408 Current retry value -
D 8409 Slave response timeout -
D 8410 Turn around delay -
D 8411 Message to message delay -
D 8412 Number of retries -
[D]8413 Not used -
D 8414 Slave node address -
[D]8415 to [D]8418 Not used -
[D]8419 Communication mode -