# Automation Professionals' Advanced Modbus Driver

**URL:** <https://forum.inductiveautomation.com/t/automation-professionals-advanced-modbus-driver/41312>\
**Category:** 3rd Party Modules\
**Created:** [December 8, 2020, 8:45pm UTC](https://forum.inductiveautomation.com/t/automation-professionals-advanced-modbus-driver/41312 "2020-12-08T20:45:46Z")\
**Posts on this page:** 1\
**Showing post:** 52

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [July 12, 2023, 4:24pm UTC](https://forum.inductiveautomation.com/t/automation-professionals-advanced-modbus-driver/41312/52 "2023-07-12T16:24:33Z")

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Note the **beta** announced over here:

> [@Ignition OPC UA Server Redundancy (Modbus TCP)](https://forum.inductiveautomation.com/t/ignition-opc-ua-server-redundancy-modbus-tcp/67123/10):
>
> It wasn't quite as easy as the last change, but relatively easy. Utterly untested, feedback welcome: BETA for Ignition 8.1: [v1.1.4.231931604](https://www.automation-pros.com/ignition/Advanced%20Modbus%20Driver-1.1.4.231931604-v81.modl) Some notes: When active, the driver alternates between the live connections on a per-batch basis. For this driver, a "batch" is a memory area subset of a single system.opc.readValues() request, system.opc.writeValues() request, or subscription poll. (Coils with coils, discrete inputs with discretes, et cetera.) This is effectively load-balancing bet…

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