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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Operation of Special Devices (M8000 -, D8000 -)
37.1 Special Device List (M8000 -, D8000 -)
31
FNC275-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
FX3U-CF-ADP [ch2] (Refer to CF-ADP Manual for details.)
[D]8420 to [D]8421 Not used
– – – – –––– –
[D]8422
Step number of executing CF-ADP instruction
*2
–
3
*1
3
*1
– –––––
[D]8423
–
3
*1
3
*1
– –––––
[D]8424 to [D]8425 Not used
– – – – –––– –
[D]8426 CF-ADP status
–
3
*1
3
*1
– –––––
[D]8427 Not used
– – – – –––– –
[D]8428 CF-ADP version
–
3
*1
3
*1
– –––––
[D]8429 to [D]8433 Not used
– – – – –––– –
[D]8434
Error step number of M8438
*2
–
3
*1
3
*1
– –––––
[D]8435
–
3
*1
3
*1
– –––––
[D]8436 Not used
– – – – –––– –
[D]8437
Error code in detail for CF-ADP instructions
*2*3
–
3
*1
3
*1
– –––––
[D]8438
Error code for CF-ADP instructions
*2*3
–
3
*1
3
*1
– –––––
[D]8439 Operation mode display
– – – – –––– –
*1. Available in Ver. 2.61 or later.
*2. Cleared when PLC switches from STOP to RUN.
*3. For details on the error code is stored in special data register, refer to the CF-ADP Manual.
Error Detection (Refer to Chapter 38 for details.)
[D]8438 Error code for serial communication error 2 [ch2]
3 3 3 M8438–––––
RS2 (FNC 87) [ch2] and Computer Link [ch2] (Refer to Data Communication Edition for details.)
[D]8439 Operation mode display [ch2]
3 3 3 – –––––
Error Detection (Refer to Chapter 38 for details.)
[D]8440 to [D]8448 Not used
– – – – –––– –
[D]8449 Special block error code
3 3
3
*4
M8449–––––
[D]8450 to [D]8459 Not used
– – – – –––– –
*4. Available in Ver. 2.20 or later.
Positioning [FX3G, FX3U and FX3UC PLCs] (Refer to Positioning Control Edition for details.)
[D]8460 to [D]8463 Not used
– 3 3 – –––– –
D 8464
DSZR (FNC150) and ZRN (FNC156) instructions:
[Y000] Clear signal device specification
3 3
3
*5
M8464–––––
D 8465
DSZR (FNC150) and ZRN (FNC156) instructions:
[Y001] Clear signal device specification
3 3
3
*5
M8465–––––
D 8466
DSZR (FNC150) and ZRN (FNC156) instructions:
[Y002] Clear signal device specification
3 3
3
*5
M8466–––––
D 8467
DSZR (FNC150) and ZRN (FNC156) instructions:
[Y003] Clear signal device specification
–
3
*6
– M8467 – – – – –
[D]8468 to [D]8511 Not used
– – – – –––– –
*5. Available in Ver. 2.20 or later.
*6. Available only when two FX
3U-2HSY-ADP adapters are connected to an FX3U PLC.
Number and name Content of register
Applicable model
FX
3G
FX
3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC