Delta Electronics Ethernet Extension Module DOP Specifikace stáhnout pdf (Strana 143)

Train i n g Kit O peratio n Manua l

6-2

6.1 Basic Inspection of an HMI and Troubleshooting

1. Basic inspection

Item Content

General

inspection

1. Periodically inspect the screws of the connection between the HMI

and device.

2. Make sure that oil, water, metallic particles or any foreign objects

do not fall inside the HMI, control panel or ventilation slots and

holes. As these will cause damage.

3. Make sure of the correct installation of the control panel. The HMI

should be free from airborne dust, harmful gases or liquids.

Inspection before

operation

(Power is not

supplied.)

1. Make sure that all wiring terminals are correctly insulated.

2. Make sure that all wiring is correct, otherwise malfunctions may

occur.

3. Make sure that there are not any unused screws, metal strips,

conductive materials, and inflammable materials inside the HMI.

4. Lower electromagnetic interference when device are influenced by

it.

5. Make sure that the external voltage supplied to the HMI is correct.

Inspection before

operation

(Power is

supplied.)

1. Check whether the power LED indicator is ON.

2. Check whether the communication among devices is normal.

3. Please contact our local distributor or Delta sales representatives if

there are any abnormal conditions.

2. Communication error code

If a communication error is detected, the corresponding error message will be shown on the

HMI screen. “Communication Error 3” in the red frame in the figure below is an error message.

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Delta Electronics Ethernet Extension Module DOP Specifikace Strana 143