Baldor MN1851 manual Start-Up Procedure, Power Off Checks, Power On Checks

Start-Up Procedure

Power Off Checks

Before you apply power, it is very important to verify the following:

1.Disconnect the load from the motor shaft until instructed to apply a load. If this cannot be done, disconnect the motor wires at X1-U, V and W.

2.Verify that switches AS1-5 to AS1-8 are set to OFF.

3.Verify the AC line voltage at the source matches the control rated voltage.

4.Inspect all power connections for accuracy, workmanship and tightness.

5.Verify that all wiring conforms to applicable codes.

6.Verify that the control and motor are properly grounded to earth ground.

7.Check all signal wiring for accuracy.

Power On Checks

When power is first applied, the “Monitor” LED display will show four indications if there is no failure found.

8.All segments and decimal point are on.

0Display test.

1Option number of test (1, 2 etc.).

dFinal display with no decimal point (control disabled because AS1-8 = OFF).

Procedure:

1.Apply AC power.

2.Apply logic power (only if your control is equipped with this option).

3.Verify the Monitor LED power on sequence. If “d” is displayed, continue otherwise disconnect AC power and refer to the Troubleshooting procedure.

4.Disconnect AC power.

5.Connect the load to the motor shaft (or connect the motor wires at X1).

6.Apply Logic Power (24VDC) if option is present.

7.Apply AC power.

8.Set switches AS1-7 and AS1-8 to ON.

9.Set switch AS1-8 to OFF (initiate offset tuning).

10.Set switch AS1-7 to OFF.

11.Configure the control using the Setup Software provided. Refer to Section 5 of this manual.

12.Set switch AS1-8 to ON (drive enabled).

13.Perform System Tuning.

The drive is now ready for use.

Note: To protect the internal fuse, allow at least 1 minute after power down before turning power on (power Off/On cycle).

MN1851 Switch Setting & Start-Up 4-3