FAQ
 RHAA068(Node Name): Response timed out for device read command

Error Details

[RHAA068(Node Name): Response timed out for device read command] error has appeared on the screen of GP3000 series.

Causes

1. The communication settings are not the same between GP unit and Device/PLC.
2. Wiring has problems such as a wrong wire connection or a loose connection.
3. Selection of Device/PLC is wrong.
4. The power of Device/PLC is not ON, or it is reset.

Countermeasures

1. Please check if the communication settings of GP side and Device/PLC side are the same. For the setting example, please refer to the Device/PLC Connection Manual of GP-Pro EX.
-> Communication Settings on the GP-Pro EX (Software)
2.

Please reconfirm the wiring. Please check the cable and connecter's insertion. About wire connection, please refer to the Device/PLC Connection Manual of GP-Pro EX for details.
When using COM2, please check if the online adapter (CA4-ADPONL-01) is connected.

3. Please reconfirm [Device/PLC Settings] of GP-Pro EX.
-> Changing Device/PLC Settings on the GP-Pro EX (Software)

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