Compatibility table (FC4A/5A series -> FC6A Plus)
37
Replaceability
Special
internal
relay
FC4A/5A series specifications
FC6A series specifications
Indirectly
M8140
Interrupt Input X2 Status
It is changed to Interrupt Input I1 Status.
Indirectly
M8141
Interrupt Input X3 Status
It is changed to Interrupt Input I3 Status.
Indirectly
M8142
Interrupt Input X4 Status
It is changed to Interrupt Input I4 Status.
Indirectly
M8143
Interrupt Input X5 Status
It is changed to Interrupt Input I6 Status.
Yes
M8144
Timer Interrupt Status
Same with FC4A/5A series.
Yes
M8145
User Communication Receive Instruction Cancel
Flag (Port 4)
Same with FC4A/5A series.
Yes
M8146
User Communication Receive Instruction Cancel
Flag (Port 5)
Same with FC4A/5A series.
Yes
M8147
User Communication Receive Instruction Cancel
Flag (Port 6)
Same with FC4A/5A series.
Yes
M8150
Comparison Result Greater Than
Same with FC4A/5A series.
Yes
M8151
Comparison Result Less Than
Same with FC4A/5A series.
Yes
M8152
Comparison Result Equal To
Same with FC4A/5A series.
-
M8153
Reserved
It is Catch Input ON/OFF Status for Group 1/I0.
Indirectly
M8154
Catch Input I2 ON/OFF Status
Make the setting by replacing it with Group 2/I1.
Indirectly
M8155
Catch Input I3 ON/OFF Status
Make the setting by replacing it with Group 3/I3.
Indirectly
M8156
Catch Input I4 ON/OFF Status
Make the setting by replacing it with Group 4/I4.
Indirectly
M8157
Catch Input I5 ON/OFF Status
Make the setting by replacing it with Group 5/I6.
-
M8160
Reserved
Reserved
Indirectly
M8161
High-speed Counter (X0-X2) Current Value
Overflow
There is no compatibility with the high-speed
counter.
Set and refer to the high-speed counter (group 1/I0)
near device allocation.
Indirectly
M8162
High-speed Counter (X0-X2) Current Value
Underflow
Indirectly
M8163
High-speed Counter (X5-X7) Current Value
Overflow
There is no compatibility with the high-speed
counter.
Set and refer to the high-speed counter (group 5/I6)
near device allocation.
Indirectly
M8164
High-speed Counter (X5-X7) Current Value
Underflow
-
M8165 to
M8167
Reserved
Reserved
Yes
M8170
User Communication Receive Instruction Cancel
Flag
(Port 7)
Same with FC4A/5A series.
Indirectly
M8171
User Communication Receive Instruction Cancel
Flag
(Client 1)
There is no compatibility. Make the settings for
connection 1 to 8 (commonly used for the
server/client) of the CPU Module, and refer to the
corresponding User Communication Receive
Instruction Cancel Flag (M8200 to M8207, M8334 to
M8343)).
Special internal relays are defined as follows.
M8171: Reserved
M8172 to M8175: Transistor Source Output
Overcurrent Detection
Indirectly
M8172
User Communication Receive Instruction Cancel
Flag
(Client 2)
Indirectly
M8173
User Communication Receive Instruction Cancel
Flag
(Client 3)
-
M8174 to
M8187
Reserved
Reserved
Yes
M8190
IP Address Change Flag
Same with FC4A/5A series.
Indirectly
M8191
SNTP Calendar/Clock Data Write Flag
M8191 is defined as “SNTP Acquisition Flag,” and
operation specifications are different from those for
the FC5A series. Time setting will be performed only
once when the M8191 status is changed from OFF
to ON. To perform time setting periodically, set the
automatic acquisition cycle in the network setting for
the function setting.
Indirectly
M8192
Interrupt Input 1 Edge (ON: Rising, OFF: Falling)
Make the setting by replacing it with Group 1/I0.
Indirectly
M8193
Interrupt Input 2 Edge (ON: Rising, OFF: Falling)
Make the setting by replacing it with Group 3/I3.
Indirectly
M8194
Interrupt Input 3 Edge (ON: Rising, OFF: Falling)
Make the setting by replacing it with Group 4/I4.
Indirectly
M8195
Interrupt Input 4 Edge (ON: Rising, OFF: Falling)
Make the setting by replacing it with Group 5/I6.
