Mitsubishi Electric Melsec Q Series User Manual page 257

7
PROGRAMMING
(b) When keeping the I/O data exchange function enabled after system switching
Initial setting for QJ71PB92V startup
POINT
1) Initial setting
The initial setting is performed in the timing of "ON for 1 scan only after
switching system from standby to control" (SM1518).
In the timing of "ON for 1 scan only after switching the
system from standby to control" (SM1518), the initial
setting similar to the one for QJ71PB92V startup is
Figure 7.28 Initial Setting
To enable the system switching due to a DP-Slave error immediately after system
switching, store 0 in the Diagnostic information non-notification time setting area
(Un\G2084) in the timing of "ON for 1 scan only after switching system from
standby to control" (SM1518). (
7.9 Program Examples for Use in the Redundant System
Initializes Diagnostic info.
invalid setting area
Initializes Diagnostic info. non-
notification time setting area.
Sets conditions for system
switching.
Sets a system switching
P-Slave (1st)
Specifies the 2nd temporary
slave reservation
Initializes Diagnostic info.
invalid setting area
Initializes Diagnostic info. non-
notification time setting area.
Sets conditions for system
switching.
Sets a system switching
P-Slave (1st)
Specifies the 2nd temporary
slave reservation
Figure 7.28)
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