Port verification, Common symptoms and corrective actions – Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual User Manual
Page 357
Rockwell Automation Publication 750-PM001J-EN-P - October 2014
357
Troubleshooting
Chapter 6
Port Verification
When connecting to select devices, such as PowerFlex 750-Series drives, the Port
Verification dialog box will display if device conflicts are found during the
connection process. These conflicts typically require resolution prior to
establishing the connection to the device.
The information and options available in this dialog box are detailed below:
Common Symptoms and
Corrective Actions
Drive does not Start from Start or Run Inputs wired to the terminal block.
Item
Description
Previous Setup
The device previously installed at the port identified.
Current Setup
The device currently installed at the port identified (if applicable).
(Device Not Found)
A message identifying the conflict at the identified port.
Changed
Indicates that the device previously installed at the port identified has been
removed or changed to a different device.
Not supported - Must remove device
before connection
Indicates that the device currently installed at the port identified has a
firmware revision that is not compatible with the drive. The drive must be flash
updated to be able to use this device or the device must be removed from the
port before a connection can be made.
Not functioning - Must remove
device before connection
Indicates that the device currently installed at the port identified is not
functioning. The device must be removed from the port before a connection can
be made.
Invalid Duplicate - Must remove
device before connection
Indicates that the device currently installed at the port identified is already
installed at another port for the device to which you are attempting to connect
and the device cannot support the number of devices installed. The duplicate
device must be removed from the port before a connection can be made.
Requires Configuration
Indicates that the device installed at the port identified requires configuration
before a connection can be made.
Accept All
Accepts all configuration changes and continues the device connection process.
Cancel
Cancels the device connection process.
Cause(s)
Indication
Corrective Action
Drive is Faulted
Flashing red
status light
Clear fault.
• Press Stop
• Cycle power
• “Clear Faults” on the HIM Diagnostic
menu.
Incorrect input wiring. See Installation Instructions,
publication 750-IN001, for wiring examples.
• 2 wire control requires Run, Run Forward, Run
Reverse or Jog input.
• 3 wire control requires Start and Stop inputs.
• Verify 24 Volt Common is connected to Digital
Input Common.
None
Wire inputs correctly.
Incorrect digital input programming.
• Mutually exclusive choices have been made (i.e.,
Jog and Jog Forward).
• 2 wire and 3 wire programming may be
conflicting.
• Start configured without a Stop configured.
None
Configure input function.
Flashing yellow
status light and
“DigIn Cnfg B”
or
“DigIn Cnfg C”
indication on LCD
HIM.
P936 [Drive Status
2] shows type 2
alarm(s).
Resolve input function conflicts.
Terminal block does not have control.
None
Check P324 [Logic Mask].