Appendix A: Special Device List
352
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
Appendix A-1 Special Auxiliary Relay (M8000 to M8511)
*1. Cleared when PLC switches from STOP to RUN.
*2. Applicable to RS (FNC 80), ASCI (FNC 82), HEX (FNC 83),
and CCD (FNC 84) instructions.
*3. Cleared when PLC switches from STOP to RUN.
*4. The channel is specified by either creating or not creating
M8179 in setting program.
ch1: not creating M8179 in setting program
ch2: creating M8179 in setting program
Number and
name
Operation and function
Correspond-
ing special
device
Advanced Function
M 8160 Not used -
M 8161
*1*2
8-bit process mode -
M 8162 High speed parallel link mode -
[M]8163
Not used
-
M 8164 -
M 8165 -
[M]8166 -
M 8167 -
M 8168
*1
SMOV (FNC 13) instruction:
HEX data handling function
-
[M]8169 Not used -
Pulse Catch
M 8170
*3
Input X000 pulse catch -
M 8171
*3
Input X001 pulse catch -
M 8172
*3
Input X002 pulse catch -
M 8173
*3
Input X003 pulse catch -
M 8174
*3
Input X004 pulse catch -
M 8175
*3
Input X005 pulse catch -
M 8176
Not used
-
M 8177 -
Communication Port Channel Setting
M 8178
Parallel link channel switch
(OFF: ch1/ON: ch2)
-
M 8179
N:N network channel switch
*4
-
Number and
name
Operation and function
Correspond-
ing special
device
N:N Network
[M]8180
Not used
-
[M]8181 -
[M]8182 -
[M]8183
Data communication error
(Master station)
D8201 to
D8218
[M]8184
Data communication error
(Slave station No.1)
[M]8185
Data communication error
(Slave station No.2)
[M]8186
Data communication error
(Slave station No.3)
[M]8187
Data communication error
(Slave station No.4)
[M]8188
Data communication error
(Slave station No.5)
[M]8189
Data communication error
(Slave station No.6)
[M]8190
Data communication error
(Slave station No.7)
[M]8191 Data communication in execution
[M]8192
Not used
-
[M]8193 -
[M]8194 -
[M]8195 -
[M]8196 -
[M]8197 -
M 8198 -
M 8199 -
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