PM861A Redundancy Testing Procedure
CPU redundancy test, change over is happening
successfully, after change over controller is going to fault
We are supplying two controller PM861A & PM861A to customer.
Redundancy Testing Procedure:
1. Primary controller become primary
1. Check both Controllers are on ,OK & DUAL LED is ON.
3. Switch off Primary controller
4. Secondary controller will become primary
5. Switch on the Primary controller again and Check both Controllers are on ,OK & DUAL LED is ON.
6. Switch off Secondary controller
7. Primary controller will become primary again
8. Switch on the Secondary controller again and waiting to check DUAL LED , the Fault LED become red and and the DUAL LED is OFF.
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