16 - 7 16. INDEXER POSITIONING OPERATION
Device No.
Signal name
(Device name) Description 1 station
occupied
2 stations
occupied
Remarks
Monitor output execution
demand
When RYn8 is turned ON, the following data and signals are
set. At the same time, RXn8 turns ON. While RYn8 is ON, the
monitor values are kept updated.
1) When 1 station is occupied
Remote register RWrn: Data demanded by Monitor 1
(RWwn)
Remote register RWrn 1: Data demanded by Monitor 2
(RWwn 1)
Remote register RWrn 2: Respond code indicating normal
or error
2) When 2 stations are occupied
Remote register RWrn: Lower 16 bits of data demanded by
Monitor 1 (RWwn)
Remote register RWrn 1: Upper 16 bits of data demanded
by Monitor 1 (RWwn)
Remote register RWrn 5: Lower 16 bits of data demanded
by Monitor 2 (RWwn 2)
Remote register RWrn 6: Upper 16 bits of data demanded
by Monitor 2 (RWwn 2)
Remote register RWrn 2: Respond code indicating normal
or error
RYn8 RYn8
Instruction code execution
demand
Turning RYn9 ON executes the processing corresponding to
the instruction code stored in remote register RWwn 2.
After completion of instruction code execution, the respond
code indicating normal or error is set to RWrn 2. At the same
time, RXn9 turns ON.
Refer to section 16.2.4 for details.
RYn9 RYn9
Next station selection 1
Select the station number by using RYnA to RY(n 2)5.
RYnA RYnA
Next station selection 2 (Note 1) Remote input RYnB RYnB
Next station selection 3
Station
No. RY
(n+2)5
RY
(n+2)4
RY
(n+2)3 RYnE RYnD RYnC RYnB RYnA RYnC RYnC
0 0 0 0 0 0 0 0 0
Next station selection 4 1 0 0 0 0 0 0 0 1 RYnD RYnD
2 0 0 0 0 0 0 1 0
Next station selection 5 3 0 0 0 0 0 0 1 1 RYnE RYnE
4 0 0 0 0 0 1 0 0
Next station selection 6 RY(n 2)3
Next station selection 7 RY(n 2)4
Next station selection 8 RY(n 2)5
254 1 1 1 1 1 1 1 0
(Note 2) 1 1 1 1 1 1 1 1
Note 1. 0: OFF
1: ON
2. When setting “1” for all RYnA to RYnE and RY(n 2)3
to RY(n 2)5, the station warning (A97) occurs.