Epson EM07ZS1647F manual Loose Connector and Signal Wire, Ground of FG wire

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.

Turn ON the terminating resistor at the end of the network.

Secure the clamps to the intermediate plate of the board with screws to ground the shield.

132 Fieldbus I/O Rev.6