Operation Mode Change Area - Mitsubishi Electric Melsec Q Series User Manual

3
SPECIFICATIONS

3.4.3 Operation mode change area

This area is used to change the operation mode of the local station (QJ71PB92V).
For changing the operation mode, refer to Section 6.2.
(1) Operation mode change request area (Un\G2255)
(2) Operation mode change result area (Un\G2256)
3
- 23 3.4 Buffer Memory
3.4.3 Operation mode change area
For execution of the operation mode change request, set a desired operation mode.
(Initial value: FFFE )
H
The initial value (FFFE
If the Operation mode change request signal (Y11) is turned ON with the initial value
stored in the Operation mode change request area (Un\G2255), E300
Operation mode change result area (Un\G2256) and the operation mode is not
changed.
Table3.13 Operation Mode Change Request Area (Un\G2255)
Set Value
0001
H
0002
H
0003
H
0009
H
0101
H
0103
H
FFFF
H
POINT
If the redundant CPU is in the Backup mode, the operation mode of the
QJ71PB92V cannot be changed.
An error code is stored in the Operation mode change result area (Un\G2256).
( Section 9.5.2)
The operation mode of the QJ71PB92V must be changed when the redundant
CPU is in Separate or Debug mode. (
system for the CPU module used)
This area stores the execution result of the operation mode change request.
Table3.14 Operation Mode Change Result Area (Un\G2256)
Stored Value
A300
H
Other than A300
H
) is used for malfunction prevention.
H
The mode is changed to Parameter setting mode.
The mode is changed to Self-diagnostics mode.
The mode is changed to Communication mode (mode 3).
The mode is changed to Flash ROM initialization mode.
The mode is changed to Parameter setting mode.
The Parameter setting mode is registered to the flash ROM at the same
time as the operation mode change.
The mode is changed to Communication mode (mode 3).
The Communication mode (mode 3) is registered to the flash ROM at the
same time as the operation mode change.
The mode is changed to Parameter setting mode.
The mode registered to the flash ROM is deleted at the same time as the
operation mode change.
Normally completed
Failed (Error code (
H
Description
User's manual for the redundant
Description
Section 9.5.2))
is stored in the