Toshiba TR PMIU, User Manual, Page: 82 / 182

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4 4 4 4. . . .4 4 4 4 Monitoring of communication Monitoring of communication Monitoring of communication Monitoring of communication
You can check communication status by POWER LED (refer 2.6) and system tag. These system tags can be
used in ladder block.
4
4 4
4.
. .
.3
3 3
3.
. .
.1
1 1
1 POWER LED
When COM port is set to the communicating and communicating error is detected or not communicating,
POWER LED is blinking.
4
4 4
4.
. .
.3
3 3
3.
. .
.2
2 2
2 System tags
You can monitor communication status in ladder block by using system tag.
System Registers
Tag No. Tag name R/W Description
_14 COM 1 status R
0 = Communication error
1 = Communication is normal.
SW
0003
_15 COM 2 status R
0 = Communication error
1 = Communication is normal.
SW 0018
Communication recover
scan time for COM 1
R
Shows time in sec recover the communication with
failed node. Default value is 60 Sec.
SW 0019
Communication recover
scan time for COM 2
R
Shows time in sec recover the communication with
failed node. Default value is 60 Sec.
SW 0064 -
SW 0065
Node status register for
COM 1
R
Shows the status of the node, whether node is COM 1
present or not. Total 2 word Register are mapped for 32
nodes.
SW 0080 -
SW 0081
Node status register for
COM 2
R
Shows the status of the node, whether node is COM 2
present or not. Total 2 word Register are mapped for 32
nodes.
Note : “R” means read only, “R/W” means writable tag. Do not use (refer or write) Factory reserved area.
System Bit/Coil
Tag No. Tag name R/W Description
S 0021
COM 1 failed node reconnect
R/W
Failed node is detected and reconnected.
Default is ON (1).
S 0022 COM 2 failed node reconnect R/W
Failed node is detected and reconnected.
Default is ON (1).
Note : “R” means read only, “R/W” means writable tag. Do not use (refer or write) Factory reserved area.