Ultra Start 450 SERIES Installation Manual download pdf (Page 194)

Publication 1398-5.2 – PDF 1997

11-12 Maintenance and Troubleshooting

4. From the Output Diagnostics window select Analog Output 1.

5. Enter 1000 in the D/A l

evel box.

6. Connect a DC voltmeter across analog test points J1-31 and J1-28.

The meter should read approximately 1 Vdc.

7. Repeat step using different positive or negative values for the D/A

Level. Verify the meter reads the values you enter.

If you determine that the output is defective, please refer to “Return

Procedure” on page Help-7 to return the unit.

Testing Analog Input

The following test verifies the functionality of the analog input.

The tests require:

● a PC running ULTRA Master, and

● a 10 kOhm potentiometer.

Testing the Current Limit Input

1. Verify the accuracy of the potentiometer with an ohmmeter before

installing.

2. Disable the drive by opening the connections between the

ENABLE input and the I/O Power (I/O PWR).

3. Disconnect the connections to J1-27 and J1-28.

4. Connect the 10K potentiometer between J1-27 and J1-28.

Refer to “J1 – Controller” on page 6-1 for a diagram showing the

location of the pins.

5. Choose the

Drive Signals command icon from ULTRA Master.

6. Choose S

et Up, if the Drive Signals Set Up window is not already

active.

7. Choose

Current - Input Limit + as the analog signal.

8. Choose

OK to close the Set Up window and activate the Drive

Signals window.

9. Slowly adjust the potentiometer while viewing the Drive Signals

window. The Current - Input Limit + value should update as the

potentiometer is adjusted.

If you determine that the analog input is defective, refer to “Return

Procedure” on page Help-7 to return the unit.

Note: This test assumes that I/O power is 24 VDC.

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Ultra Start 450 SERIES Installation Manual Page 194