Coolmay L02 Series - Page 73

Coolmay L02 Series PLC Programming Manual
https://en.coolmay.com/
69
of sending
RS/RS2 sending complete flag
-
-
M8425
Need to reset manually
RS/RS2 receiving end flag
M8123
M8403
M8423
Need to reset manually
RS/RS2 receiving process flag
M8124
M8404
M8424
Data is being received
RS/RS2 instruction 8-bit/16-bit
distinguishing flag
M8161
M8161
M8161
Master-slave flag when RS2
command CAN
-
-
M8426
M8426=0 master-slave mode
M8426=1 multi-machine mode
RS2 instruction last operand setting
-
1
2
MODBUS RTU function
M8196=1
M8125=1
M8192=1
-
RD3A/WR3A receive correct sign
M8128
M8408
M8428
Automatic reset
RD3A/WR3A communication
timeout flag
M8129
M8409
M8429
Automatic reset
ADPRW instruction completion flag
M8029
M8029
M8029
Instruction execution end flag
Communication parameters
D8120
D8400
D8420
Communication mode
-
D8401
D8421
Master and slave station number
D8121
D8414
D8434
D8440
D8442
D8434: CAN slave station
number
D8440\D8442 multi-machine
mode ID number
RD3A/WR3A timeout time
D8129
D8409
D8429
The unit is milliseconds, see
explanation for detailed
settings
RD3A/WR3A interval cycles
D8126
D8406
D8426
RD3A/WR3A last operand -1
0
1
2
Set during ADPRW instruction
D8397=0
D8397=1
D8397=2
CAN data frame
-
-
M8427
M8192: Use the programming port protocol and the enable flag of other
protocols.
M8402: Send flag (used in RS2 command).
M8403: Communication end flag (communication end flag when using RS2
instruction, needs to be reset manually).
M8404: Data receiving.
M8408: Communication completion flag (valid when using RD3A and
WR3A for MODBUS communication, manual reset is required).
M8409: Communication timeout.