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LabView “Modbus RTU” Autonics TK4S Tutorial

Written by plc247.com

Hello everyone!
In the previous post, plc247.com showed you how to use MicroLogix 1100 PLC to connect and control Omron E5CC by Modbus-RTU RS485 Communication.

Today plc247.com will continue to guide you to connect another temperature controller, Autonics T4KS. MicroLogix 1100 PLC has a built-in RS232/485 port (you can connect it directly to the MiniDin port or use an extension cable 1763-NC01)

Computer & Autonics TK4S “Wiring Diagram”

Autonics TK4S Modbus Parameters Setting

In order for the Autonics Controller TK4S to communicate with Modbus RTU, we need to set the communication parameters as below:

TK4S >>> Mode >>> PAr.4 (Parameters Group.4)

+ AdrS = 1 (Slave Adress)

+ bPS = 9.6 (Baud Rate)

+ Prty = EvEn (Parity Check)

+ StP = 1 (Stop Bit)

+ rSy.t = 20 (Respense Time)

Register Control Address

>>> Temperature Reference Address = 0000 / Function = 06

Register Monitoring Address

>>> Temperature Present Address = 03E8 (hex) = 1000 (dec) / Funtion = 04

Labview Modbus Programming

+ Front Panel & Block Diagram

+ Detail Block Diagram

Project Video Tutorial

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Recommended documentation:

>>> Download Autonics TK4S Manual PDF

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