Having problem with reading Modbus registers in a Micro 800 PLC

[pturmel]

Note that native access to ML8xx global tags (with some restrictions) is now available. Avoid the labor of setting up modbus on your tags:

Automation Professionals' EtherNet/IP Communication Suite V2

Automation Professionals is pleased to announce its latest EtherNet/IP Communications Suite driver module, a major upgrade to its EtherNet/IP Class1 Communications module, as a Public Beta. As of April 15, 2023, this is now a Production Release. The primary new feature is its new Generic EtherNet/IP Client Driver, a drop-in replacement for IA's Logix V21+ driver and its Omron NJ/NX driver. It does work with older Logix processors, and also works with Rockwell's MicroLogix 8xx family (ethernet…