AdvancedHMI Software

General Category => Support Questions => Topic started by: Henkie on May 17, 2018, 08:34:59 AM

Title: Communication ModbusTCP not running
Post by: Henkie on May 17, 2018, 08:34:59 AM

Please could you help me. Trying to communicate with PLC (Wago 750-881) on Modbus TCP.
Create a ModbusTCP driver communication.
Select a digitalPanelMeter and inserted read adres 30256 onto PLCAdressValue (Should be equal with %QW256 of PLC) also onto PLCAddressKeypad. But no communication.
ModbusTCP communication tested with tester, address is availalible on bus but not on AdvancedHMI.

Title: Re: Communication ModbusTCP not running
Post by: Archie on May 17, 2018, 08:47:40 AM

256 is the Modbus offset. AdvancedHMI uses Modicon style addressing which starts with an offset of 1. Therefore try 40257

Title: Re: Communication ModbusTCP not running
Post by: Henkie on May 17, 2018, 09:38:03 AM

Address 30257 is working, Thanks