833
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
RS2 (FNC 87) [ch1] (Refer to Data Communication Edition for details.)
[M]8400 Not used – – – – –––– –
[M]8401*1 RS2 (FNC 87) [ch1] Send wait flag 3 3 3 – –––– –
M 8402*1 RS2 (FNC 87) [ch1] Send request 3 3 3 D8402 – – – – –
M 8403*1 RS2 (FNC 87) [ch1] Receive complete flag 3 3 3 D8403 – – – – –
[M]8404 RS2 (FNC 87) [ch1] Carrier detection flag 3 3 3 – –––– –
[M]8405 RS2 (FNC87) [ch1] Data set ready (DSR) flag 33*2 3*2 – –––– –
[M]8406
Not used
– – – – –––– –
[M]8407 – – – – –––– –
[M]8408 – – – – –––– –
M 8409 RS2 (FNC 87) [ch1] Time-out check flag 3 3 3 – –––– –
*1. These devices are cleared when the PLC mode switches from RUN to STOP or when the RS2 instruction
[ch1] turns OFF.
*2. Available in Ver. 2.30 or later.
Number and name Operation and function
Applicable model
FX
3G FX3U
FX
3UC
Correspond-
ing special
device
FX
1S
FX
1N
FX
2N
FX
1NC
FX
2NC