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2 loose connector and signal wire, 3 noise intrusion – Epson EM07ZS1647F User Manual

Page 144

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4. Troubleshooting (PROFIBUS DP)

4.2.3.2 Loose Connector and Signal Wire

Check for the connections of the following parts on the connector and cable.

(1) Connection of connector and signal wire

Small flat-blade screwdriver

with even thickness

(2) Connection of connector and unit

4.2.3.3 Noise Intrusion

Verify how error occurrence condition changes while taking the following countermeasures.


♦ Ground of FG wire

Normal Grounding: Peel the cable covering and ground the FG wire.

Peel the cable covering and

secure the cable with FG clamps.

Secure the clamps to the

intermediate plate of the board

with screws to ground the shield.

Turn ON the terminating resistor

at the end of the network.

132

Fieldbus I/O Rev.6