Master Station Duplication Error Cancel Function - Mitsubishi Electric L26CPU-BT User Manual

8.3.10

Master station duplication error cancel function

This function cancels a master station duplication error without turning the power supply off to on, or without resetting
the programmable controller CPU, if a master station duplication error is detected.
(1) Removing the cause of error occurrence
Before performing the master station duplication error cancel function, remove the cause of error occurrence of
the master station duplication error.
Another master station may exist in the same line, or the line may be affected by noises or others.
(2) Link special relay/register (SB/SW) relating to the master station duplication
error cancel function
After removing the cause of error occurrence of the master station duplication error, turn on SB0007 (master
station duplication error canceling request).
The following shows the list of the link special relays and registers relating to the Master station duplication error
cancel function.
For details, refer to
Link special relay/register
Link special relay
Link special register
(3) Timing chart of link special relay (SB) and link special register (SW)
SB0007 (Master station duplication
error canceling request)
SB0057 (Master station duplication
error canceling acknowledgement)
SB0058 (Master station duplication
error canceling complete)
SW0057 (Master station duplication
error canceling result)
190
Page 409, Appendix 3.
Number
SB0007 Master station duplication error canceling request
SB0057 Master station duplication error canceling acknowledgement
SB0058 Master station duplication error canceling complete
SW0057 Master station duplication error canceling result
ON
OFF
ON
OFF
Line check
OFF
Name
Performed by the L series Master/local module
Performed by program
ON
Result