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Appendix A: Special Device List
395
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
Appendix A-1 Special Auxiliary Relay (M8000 to M8511)
21
Memory
Cassette
22
Battery
A
Special Devices
(M8000-,D8000-)
B
Instruction List
C
Discontinued
models
D
Precautions for
battery
transportation
E
Handling of
batteries in EU
member states
*1. Cleared when PLC switches from RUN to STOP or when
RS2 instruction [ch2] is OFF.
*2. Supported in Ver. 1.30 or later.
*3. Supported in Ver. 2.00 or later.
*4. Used when the SNTP function setting is set to "Use" in the
time setting parameters.
*5. Cleared when PLC power supply from OFF to ON.
*6. Supported in Ver. 2.00 or later.
*7. Supported in Ver. 2.10 or later.
Number and
name
Operation and function
Correspond-
ing special
device
RS2 (FNC 87) [ch2] and Computer Link [ch2]
[M]8410 to [M]8420 Not used -
[M]8421
*1
RS2 (FNC 87) [ch2] Send wait flag -
M 8422
*1
RS2 (FNC 87) [ch2] Send request D8422
M 8423
*1
RS2 (FNC 87) [ch2]
Receive complete flag
D8423
[M]8424
RS2 (FNC 87) [ch2]
Carrier detection flag
-
[M]8425
RS2 (FNC 87) [ch2]
Data set ready (DSR) flag
-
[M]8426 Computer link [ch2] Global ON
D8427
D8428
D8429
[M]8427
Computer link [ch2]
On-demand send processing
M 8428
Computer link [ch2]
On-demand error flag
M 8429
Computer link [ch2]
On-demand Word/Byte changeover
RS2 (FNC 87) [ch2]
Time-out check flag
MODBUS communication [ch1]
[M]8401
*2
MODBUS request in process -
[M]8402
*2
MODBUS communication error D8402
[M]8403
*2
MODBUS communication error
(latched)
D8403
[M]8404 to [M]8407 Not used -
[M]8408
*2
Retry -
[M]8409
*2
Timeout -
[M]8410 Not used -
MODBUS communication [ch2]
[M]8421
*2
MODBUS request in process -
[M]8422
*2
MODBUS communication error D8422
[M]8423
*2
MODBUS communication error
(latched)
D8423
[M]8424 to [M]8427 Not used -
[M]8428
*2
Retry -
[M]8429
*2
Timeout -
[M]8430 Not used -
MODBUS communication [ch1, ch2]
M 8411
*2
MODBUS configuration request flag
-
Number and
name
Operation and function
Correspond-
ing special
device
FX3U-ENET-ADP [ch1]
[M]8404
*3
FX3U-ENET-ADP unit ready -
[M]8405 Not used -
[M]8406
*3*4
Time setting execution -
[M]8407 to [M]8410 Not used -
M 8411
*3*4
Execute time setting -
FX3U-ENET-ADP [ch2]
[M]8424
*3
FX3U-ENET-ADP unit ready -
[M]8425 Not used -
[M]8426
*3*4
Time setting execution -
[M]8427 to [M]8430 Not used -
M 8431
*3*4
Execute time setting -
Error Detection
[M]8430 to [M]8437 Not used -
M 8438
*5
Serial communication error 2 [ch2] D8438
[M]8439 to [M]8448 Not used -
[M]8449 Special block error flag D8449
[M]8450 to [M]8459 Not used -
Positioning
M 8460 to M8463 Not used -
M 8464
DSZR (FNC150), ZRN (FNC156)
instructions [Y000]
Clear signal device specification
function enabled
D8464
M 8465
DSZR (FNC150), ZRN (FNC156)
instructions [Y001]
Clear signal device specification
function enabled
D8465
M 8466
DSZR (FNC150), ZRN (FNC156)
instructions [Y002]
Clear signal device specification
function enabled
D8466
[M]8467 Not used -
Error Detection
[M]8468 to [M]8488 Not used -
[M]8489
*6
Special parameter error D8489
[M]8490 to [M]8511 Not used -
FX3U-ENET-ADP [ch1, ch2]
[M]8490 to [M]8491 Not used -
M 8492
*7
IP address storage area write request
-
[M]8493
*7
IP address storage area write
completion
-
[M]8494
*7
IP address storage area write error -
M 8495
*7
IP address storage area clear request
-
[M]8496
*7
IP address storage area clear
completion
-
[M]8497
*7
IP address storage area clear
error -
[M]8498
*7
IP address change function enable
flag
-