51
complete flag
receiving data timeout.
User program is required to be set to off
SM164
……
SM169
Serial
port 3
SM170
Modbus instruction execution flag
Set on when the instruction starts to execute
Set off when the execution is completed
SM171
SM172
Free
format
communication
sending flag
Set on when the instruction starts to execute
Set off when the execution is completed
SM173
Free format communication receive
complete flag
Set on when receiving a frame of data or
receiving data timeout.
User program is required to be set to off
SM174
……
SM179
Sequence BLOCK (SM300-SM399)
ID
Function
Description
SM300
BLOCK1 running flag
ON during execution
SM301
BLOCK2 running flag
ON during execution
SM302
BLOCK3 running flag
ON during execution
SM303
BLOCK4 running flag
ON during execution
SM304
BLOCK5 running flag
ON during execution
SM305
BLOCK6 running flag
ON during execution
……
……
SM396
BLOCK97 running flag
ON during execution
SM397
BLOCK98 running flag
ON during execution
SM398
BLOCK99 running flag
ON during execution
SM399
BLOCK100 running flag
ON during execution
Error detection (SM400-SM412)
ID
Function
Description
SM400
I/O error
SM401
Expansion module communication error
SM402
BD/ED communication error
SM403
FROM/TO error
……
SM405
No user program
Internal code check wrong
SM406
User program error
Implement code or configuration table check
wrong
SM407
SSFD check error
SM408
Memory error
Can not erase or write Flash
SM409
Calculation error