Rockwell-automation 2099-BMxx Kinetix 7000 High Power Servo Drive User User Manual download pdf (Page 144)

144 Rockwell Automation Publication 2099-UM001D-EN-P - December 2012

Chapter 6 Troubleshoot the Kinetix 7000 Drive System

Table 54 - SERCOS Status Indicator

Table 55 - Control Power Status Indicator

General System Anomalies

These anomalies do not always result in a fault code, but may require

troubleshooting to improve performance.

SERCOS Status Status Condition

Actively cycling

Phase 0

The drive is looking for a closed SERCOS ring. Wait

for phase 1 to complete or take corrective action

to reach phase 1.

Check fiber-optic connections.

Serial ring must enter at the Rx connector and exit TX connector.

Baud rate switch settings conflict.

Verify drive and Logix setup parameters.

Displaying a fixed 1

Phase 1

The drive is looking for active nodes. Wait for

phase 2 to complete or take corrective action to

reach phase 2.

Check node addressing on drive and in ControlLogix and RSLogix 5000.

Displaying a fixed 2

Phase 2

Logix is configuring nodes for communication.

Wait for phase 3 to complete or take corrective

action to reach phase 3.

Check RSLogix programming to verify drive configuration against installed hardware.

Verify the appropriate drive model is selected in RSLogix software.

Displaying a fixed 3

Phase 3

The drive is configuring device specific

parameters. Wait for phase 4 to complete or take

corrective action to reach phase 4.

Check RSLogix software programming to verify motor configuration against installed hardware.

(1)

Verify motor feedback cable connects to MF connector on the drive.

If low profile connector is used, verify the connection for correct pinout, pinched insulation, and

loose wires.

Verify motor feedback cable for continuity and shorts.

Replace the motor.

Displaying a fixed 4

Phase 4

The drive is configured and the SERCOS ring is active.

Flashing an E followed by

two numbers

Drive is faulted. See the Error Codes section on page.138

(1) You can access diagnostic information from the module by highlighting the module name in RSLogix 5000 software. A Pseudo Key Failure often indicates that the motor selection does not match the

motor installed.

CP Status LED Status Condition

Off Control power not present. Normal when auxiliary power is not applied to the Control Power (CP) terminal.

Steady Green Control power applied. Normal when auxiliary power is applied to the Control Power (CP) terminal.

Condition Potential Cause Possible Resolution

Axis or system is unstable.

The position feedback device is incorrect or open. Check wiring.

Unintentionally in Torque mode. Check to see what primary operation mode was programmed.

Motor tuning limits are set too high. Run Tune in RSLogix 5000 software.

Position loop gain or position controller accel/decel rate is improperly

set.

Run Tune in RSLogix 5000 software.

Improper grounding or shielding techniques are causing noise to be

transmitted into the position feedback or velocity command lines,

causing erratic axis movement.

Check wiring and ground.

Motor Select limit is incorrectly set (servo motor is not matched to axis

module).

• Check setups.

• Run Tune in RSLogix 5000 software.

Mechanical resonance.

Notch filter or output filter may be required.

Refer to Axis Properties dialog, Output tab in RSLogix 5000 software.

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