Mitsubishi FX3G Series

845
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
31
FNC276-FNC279 Data Transfer 3
32
FNC280-FNC289 High-Speed Processing 2
33
FNC290-FNC299 Extension File Register
34
FNC300-FNC305 FX
3U
-CF-ADP
35
SFC•STL Programming
36
Interrupt Function
37
Special Device
38
Error Code
A
Version Up Information
B
Execution Times
Interrupt Program (Refer to Chapter 36 for details.)
D 8393
Delay time
→Refer to Section 36.4.
– – 3 3 M8393 – – – – –
[D]8394 Not used – – – – – –––– –
[D]8395
Symbolic Information,
Block password status
Symbolic information storage status and execution
program protection status using the block
password.
– –
3
*2
3
*2
– –––– –
[D]8396 Built-in CC-Link/LT setup information
– – –
3
*3
– –––– –
[D]8397 Not used
– – – – – –––– –
Ring Counter
D 8398 Lower
Up-operation ring counter of 0 to
2,147,483,647 (in 1-ms units, 32-bit)
*4
3 3 3 3 M8398 – – – – –
D 8399 Upper
*1. "**" indicates areas used by the system.
*2. Available in Ver. 3.00 or later.
*3. Only the FX
3UC-32MT-LT-2 is applicable.
*4. 1ms ring counter (D8399, D8398) will operate after M8398 turns ON.
RS2 (FNC 87) [ch1] (Refer to Data Communication Edition for details.)
D 8400 RS2 (FNC 87) [ch1] Communication format setting 3 3 3 3 – –––– –
[D]8401 Not used
– – – – – –––– –
[D]8402
*5
RS2 (FNC 87) [ch1] Remaining points of transmit
data
3 3 3 3 M8402 – – – – –
[D]8403
*5
RS2 (FNC 87) [ch1] Monitoring receive data points
3 3 3 3 M8403 – – – – –
[D]8404 Not used
– – – – – –––– –
[D]8405 Communication parameter display [ch1]
3 3 3 3 – –––– –
[D]8406 to [D]8408 Not used
– – – – – –––– –
D 8409 RS2 (FNC 87) [ch1] Time-out time setting
3 3 3 3 – –––– –
D 8410
RS2 (FNC 87) [ch1] Header 1 and 2
<Default: STX>
3 3 3 3 – –––– –
D 8411 RS2 (FNC 87) [ch1] Header 3 and 4
3 3 3 3 – –––– –
D 8412
RS2 (FNC 87) [ch1] Terminator 1 and 2
<Default: ETX>
3 3 3 3 – –––– –
D 8413 RS2 (FNC 87) [ch1] Terminator 3 and 4
3 3 3 3 – –––– –
[D]8414 RS2 (FNC 87) [ch1] Receive sum (received data)
3 3 3 3 – –––– –
[D]8415
RS2 (FNC 87) [ch1] Receive sum
(calculated result)
3 3 3 3 – –––– –
[D]8416 RS2 (FNC 87) [ch1] Send sum
3 3 3 3 – –––– –
[D]8417 to [D]8418 Not used
– – – – – –––– –
[D]8419 Operation mode display [ch1]
3 3 3 3 – –––– –
*5. Cleared when the PLC switches from RUN to STOP.
Number and name Content of register
Applicable model
FX 3G FX 3GC FX 3U FX 3UC
Correspond-
ing special
device
FX 1S FX 1N FX 2N FX 1NC FX 2NC
Present
value
Symbolic
information
storage
Protection of
execution
program
H**00
*1
None None
H**01
*1
None Provided
H**10
*1
Provided None
H**11
*1
Provided Provided