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Mitsubishi Electric Melsec Q Series User Manual page 157

Profibus-dp master module
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5
SETTINGS AND PROCEDURES BEFORE SYSTEM
OPERATION
Check the LEDs of the QJ71PB92Vs in systems A and B
*2
for an error.
Start I/O data exchange.
Did I/O data exchange
(Check the LED status.
*1 Start I/O data exchange by either of the following methods:
Turn ON the Data exchange start request signal (Y00).
Start it from GX Configurator-DP.
*2 Check the Local station error information area (Un\G23071) to see if
the QJ71PB92V has an error or not. (
If an error exists, remove the error cause.
When an error exists, system switching is not executed.
Figure 5.2 Procedures before System Operation (Redundant System) (Continued)
1)
*1
start successfully?
Section 5.3
)
Yes
Completed
Section 3.4.2
5.2 Procedures Before System Operation
5.2.2 In the case of the redundant system
Section 5.3
No (Check the parameter settings.)
)
2)
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