Delta Electronics DPM-C520 [10/46] Basic checks

4.2 Basic Checks

Items Checked Contents of Checks

General Check

■

Regularly check for losing of the xing mount at the location where the power

meter and device are connected.

■

Guard against entrance of foreign objects, such as oil, water, or metal powder at

the heat dissipating holes. Guard against entrance of drill cut powders into the

power meter.

■

Should the power meter be installed at a place present with harmful gas or dust,

guard against entrance of those matters into the meter.

Pre - operation

Check

(not supplied with

control power)

■

Insulate the connecting spot of the wiring terminals.

■

Communications wiring should be done properly, or abnormal operations might

result.

■

Check for presence of conducive and ﬂammable objects, such as screws or metal

pieces, in the power meter.

■

Should electronic devices used near the power meter experience electromagnetic

interference, tune with instruments to reduce electromagnetic interference.

■

Check for correct voltage level for the power supplied to the power meter.

Pre - running Check

(supplied with

control power)

■

Check whether power indicator light is lit.

■

Check whether communication between every device is normal.

■

If there is any abnormal response from the power meter, contact your distributor

or our customer service center.