Rockwell Automation Publication 750COM-UM009A-EN-P - May 2017 77
Configuring the Drive in a Logix System Chapter 3
The PowerFlex 755T indicates a configuration change in 0:90 [Cfg Status].
The configuration change must be manually accepted by entering a value of
'Accept' (1) in 0:91 [Cfg Acknowledge].
Follow the procedure to use ADC when servicing power peripherals:
1. Remove power from the system and de-energize the cabinet.
2. Disconnect the Ethernet cable.
3. Update the hardware configuration as needed, this includes replacing
and re-ordering power peripherals and making the needed fiber optic
connections.
4. Verify the updated hardware configuration for correctness and verify
that the power peripherals are properly secured and installed.
5. Verify that the fiber optic connections to the power peripherals are
correct.
6. Apply power.
7. Accept the configuration change by entering the value ‘Accept (1)’ as the
input for 0:91 [Cfg Acknowledge].
8. Remove power from the system and de-energize the cabinet. This could
be needed to gain safe access to the Ethernet port.
9. Connect the Ethernet cable.
10. Apply power.
11. If a 24V auxiliary power is used, power must be cycled on the drive for a
second time.
If the Ethernet cable is connected before the acknowledgment, ADC attempts
to download repeatedly, and fails repeatedly, until the acknowledgment is
accepted.
Special Considerations For 20-750-S1 Safe Speed Module (S1)
There are special considerations when using ADC with the 20-750-S1 safe
speed module. The discrete wired or hardwired advanced safety cards require
manual user intervention before the drive can become operational. ADC can
still be used, even though a manual step of the drive is required.
IMPORTANT After a power peripheral change is detected, the PowerFlex 755T does not
accept downloads from the controller until the configuration change is
accepted in 0:91 [Cfg Acknowledge].
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