[When the system is configured using a remote head module]
Step in online module change
Checks before replacement
Module selection
Module change activation
Module removal
Module mounting
Module recognition
Module control start
*1 The status of online module change is stored.
0: Normal operation
1: Module selection in progress
2: Module selection completion
3: Module removal in preparation
4: Module removal ready
5: Module removal completion
6: Module mounting completion
7: Module recognition in progress
8: Module recognition completion
9: Module control resumption in progress
*2 If a minor error (the ERR LED turns on) has occurred before online module change, the ERR LED remains on during the module
change.
*3 A failure in the module can cause the status to be different from the description above.
*4 A failure in the module can result in Module removal completion (5) instead of Module removal ready (4).
3 REPLACEMENT PROCEDURE
16
3.1 Specifications
Change in 'Online module
*1
changing status' (SD1617)
0
0 1 2
*4
2 3 4
4 5
5 6
6 7 8
8 9 0
LED status on remote head module
RUN LED
ERR LED
ON
OFF
ON Flashing (interval
OFF
of 400ms)
Flashing (interval of
OFF
400ms)
Flashing (interval of
OFF
400ms)
Flashing (interval of
OFF
400ms)
Flashing (interval of
OFF
400ms)
Flashing (interval of
OFF
400ms) ON
LED status on target
*3
module
*2
RUN LED
ON
ON Flashing (interval of
400ms)
Flashing (interval of 400ms)
OFF
OFF
OFF ON
ON