Mitsubishi FX3UC SERIES User Manual page 444

FX Series Programmable Controllers
3UC
User's Manual - Hardware Edition
Number and
Content of register
name
Interrupt Program
D 8393 Delay time
[D]8394
[D]8395
Not used
[D]8396
[D]8397
Ring Counter
D 8398 Lower Up-operation ring counter
D 8399 Upper
*1. 1ms ring counter (D8399, D8398) will operate after M8398
turns ON.
RS2 (FNC 87) [ch1]
RS2 (FNC 87) [ch1]
D 8400
Communication format setting
[D]8401 Not used
RS2 (FNC 87) [ch1]
*2
[D]8402
Remaining points of transmit data
RS2 (FNC 87) [ch1]
*2
[D]8403
Monitoring receive data points
[D]8404 Not used
Communication parameter display
[D]8405
[ch1]
[D]8406
[D]8407 Not used
[D]8408
RS2 (FNC 87) [ch1]
D 8409
Time-out time setting
RS2 (FNC 87) [ch1]
D 8410
Header 1 and 2 <Default: STX>
RS2 (FNC 87) [ch1]
D 8411
Header 3 and 4
RS2 (FNC 87) [ch1]
D 8412
Terminator 1 and 2 <Default: ETX>
RS2 (FNC 87) [ch1]
D 8413
Terminator 3 and 4
RS2 (FNC 87) [ch1]
[D]8414
Receive sum (received data)
RS2 (FNC 87) [ch1]
[D]8415
Receive sum (calculated result)
[D]8416 RS2 (FNC 87) [ch1] Send sum
[D]8417
Not used
[D]8418
[D]8419 Operation mode display [ch1]
*2. Cleared when PLC switches from RUN to STOP.
RS2 (FNC 87) [ch2] and Computer Link [ch2]
RS2 (FNC 87) [ch2]
D 8420
Communication format setting
Computer link [ch2] Station
D 8421
number setting
RS2 (FNC 87) [ch2] Remaining
*3
[D]8422
points of transmit data
RS2 (FNC 87) [ch2] Monitoring
*3
[D]8423
receive data points
438
of 0 to 2,147,483,647
*1
(in units of 1ms, 32-bit)
C Operation of Special Devices (M8000 -, D8000 -)
Correspond-
Number and
ing special
name
device
[D]8424
M8393
[D]8425
–
[D]8426
–
–
D 8427
–
D 8428
M8398
D 8429
D 8430
D 8431
–
D 8432
–
M8402
D 8433
M8403
[D]8434
–
[D]8435
–
[D]8436
–
[D]8437
–
*3. Cleared when PLC switches from RUN to STOP.
–
Error Detection
–
[D]8438
–
RS2 (FNC 87) [ch2] and Computer Link [ch2]
[D]8439
–
Error Detection
[D]8440 to [D]8448 Not used
–
*4
[D]8449
–
[D]8450 to [D]8459 Not used
Positioning [FX
3U
–
[D]8460 to [D]8463 Not used
–
*4
D 8464
–
–
–
*4
D 8465
–
*4
D 8466
–
[D]8467 to [D]8511 Not used
–
*4. Supported in Ver. 2.20 or later
M8422
M8423
C-2 Special Data Register (D8000 to D8511)
Content of register
Not used
Communication parameter display
[ch2]
Not used
Computer link [ch2]
Specification of on-demand head
device register
Computer link [ch2]
Specification of on-demand data
length register
RS2 (FNC 87) [ch2], computer link
[ch2]
Time-out time setting
RS2 (FNC 87) [ch2]
Header 1 and 2 <Default: STX>
RS2 (FNC 87) [ch2]
Header 3 and 4
RS2 (FNC 87) [ch2]
Terminator 1 and 2 <Default: ETX>
RS2 (FNC 87) [ch2]
Terminator 3 and 4
RS2 (FNC 87) [ch2]
Receive sum (received data)
RS2 (FNC 87) [ch2]
Receive sum (calculated result)
RS2 (FNC 87) [ch2] Send sum
Not used
Error code for serial
communication error 2 [ch2]
Operation mode display [ch2]
Special block error code
and FX PLCs]
3UC
DSZR (FNC150) and ZRN
(FNC156) instructions:
[Y000] Clear signal device
specification
DSZR (FNC150) and ZRN
(FNC156) instructions:
[Y001] Clear signal device
specification
DSZR (FNC150) and ZRN
(FNC156) instructions:
[Y002] Clear signal device
specification
Correspond-
ing special
device
–
–
–
M8426
to
M8429
–
–
–
–
–
–
–
–
M8438
–
–
M8449
–
–
M8464
M8465
M8466
–