Toshiba V200 Series User Manual page 133

V200 series programmable logic controllers
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No
Device/register Name
1
MW01_0
2
MW01_1
3
MW01_2
4
MW01_5
5
MW01_6
6
MW01_11
7
MW01_13
8
MW01_14
9
MW01_15
10
MW02_1
ROM Errors:
If the PLC does not have a program ( Firmware / Application / Ladder ) it remains in the wait loop as given in the Flow
Chart. The LEDs are used to indicate these conditions. These errors are not logged in the event history.
No
Condition
1
No Firmware or Firmware corrupted.
2
No Application or Application corrupted.
3
No Ladder or Ladder corrupted.
Diagnosis Registers for Serial and Ethernet Communication channels:
Following system registers and system coils can be used for the control and diagnosis of communication channels:
Register / Coil Tag Name
SW0003_14
COM1 Status
SW0003_15
COM2 Status
SW0003_13
COM3 Status
SW0018
COM1 failed node
reconnect time (Sec)
SW0019
COM2 failed node
reconnect time (Sec)
SW0022
COM3 failed node
reconnect time (Sec)
S0021
COM1 failed node
reconnect control
CPU error (down)
I/O error
Program error Clock/calendar
error(alarm) Retentive data
loss/invalid(alarm) System
Watchdog error (down) I/O
mismatch (down)
Analog Power Fail I/O
BCC error (down)
Scan time over (alarm)
Read / Write
Read only
Read only
Read only
Read/write
Read/write
Read/Write
Read/write
Function
ON at error state
ON at error state
ON at error state
ON when clock/calendar data is illegal
ON when retentive data in RAM are invalid
ON at error state
ON at error state
ON at error state
ON at error state
ON when the scan time exceeds 200 ms
Indication
RUN LED and ERR LED blinks at one second interval
simultaneously.
ERR LED blinks at one second interval.
ERR LED blinks at one second interval.
Description
0 = Communication Error
1= Communicating with Master
0 = Communication Error
1= Communicating with Master
0 = Communication Error
1= Communicating with Master
Shows time in sec recover the communication
with failed nodes for port1.the default value is
60Sec
Shows time in sec recover the communication
with failed nodes for port1.the default value is
60Sec
Shows time in sec recover the communication
with failed nodes for port3.the default value is
60Sec
If this bit is set communication with the failed
nodes is detected after scan time SW0018 for
port1.By default : ON
Page 125

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