Product Overview
The Modbus ASCII driver works in conjunction with KEPServerEX to provide an easy and reliable way to connect to Modbus ASCII compliant PLCs and other devices to your OPC client applications, including HMI, SCADA, Historian, MES, ERP, and countless custom applications.
Resources
Performance
- Ethernet Encapsulation
- Modbus ASCII Multi-drop Supported
- Full Address Range Support (0 - 65535)
- User Definable Read Block Sizes
- Adjustable Address Base (0 or 1)
- Word Order Swapping for Floating Point and Longs
- RTU Functions used: 01, 02, 03, 04, 05, 06, 16
- Direct Support of Flow Automation flow computers
- All memory types and data types supported
- Modem Support
- Automatic Dial Configuration
- Multiple Phone Number Management
- Communication Serialization
Supported Devices
- Any Device Supporting Modbus ASCII
- Any Modbus ASCII Compliant PLC
- Flow Computers
Available Languages
- English
- German
- Japanese
- Simplified Chinese
Application Support
- DDE Format CF_Text and AdvancedDDE
- NIO Interface for iFIX
- OPC .NET Service (OPC .NET) Version 1.00
- OPC Alarms and Events (OPC AE) Version 1.10
- OPC Data Access (OPC DA) Versions 1.0a, 2.0, 2.05a, and 3.0
- OPC Unified Architecture (OPC UA) Clients
- SuiteLink and FastDDE for Wonderware
Release Notes
6.9.572.0
6/2/2020
- Fixed an issue where the driver would not retry a request after receiving a response from the wrong station ID.
6.4.321.0
12/13/2017
- Resolved an issue where the driver could incorrectly respond to transactions that did not match the station ID.
6.3.305.0
6/11/2018
- Fixed an issue where Device ID was ignored so the driver would process data from a slave other than the intended one.
6.2.460.0
7/6/2017
- Added Chinese language support.
6.0.2107.0
11/15/2016
- Added German language support.
- Added Japanese language support.
5.18.662.0
6/23/2015
- Fixed an issue where write-only strings failed to write when "Perform block read on strings" was enabled.
5.10.205
11/13/2012
Updated the driver with the new Connection Sharing feature.
5.9.170
6/26/2012
- Increased the character limit of the tag Description field from 64 to 255.
- Added a new option for handling illegal address exceptions that allows users to deactivate tags when an illegal address is detected.
5.8.109.0
2/21/2012
Added support for Channel Serialization.
5.1.71.0
10/21/2009
- Added string data type support for Internal Registers.
