Page 249 - Electronic Mechanic - TP - Volume - 2

ELECTRONICS MECHANIC - CITS

EXERCISE 183: Connect and configure plc hardware and

software

Objectives

At the end of this exercise you shall be able to
• to demonstrate connection of PLC
• identify various connection software and hardware.

Requirements

Tools/Materials
• Mounting • Install Software
• Power Supply • PLC Programming
• I/O wiring • PLC Configuration
• Wiring Materials and connectors • Download Program
• Communication Ports • Backup
• Grounding

Procedure

Theory

Note: Most newer PLCs having its own configuration methods.Advised to follow respective user manual.
(Most of the procedures are same), Considered Siemens PLC as an example.

Setting up your S7-1200 PLC using STEP 7 Basic
Configure your S7-1200 PLC and provide data to be monitored via an Open Platform Communications
(OPC) connection.
Hardware configuration
For the hardware configuration, use the project view of STEP 7 Basic V10.5.
Create the project

Select the menu command “Project > New”. The dialog box “Create a new project” opens. Enter the name
“S7-1200_OPC_SIMATIC-NET” in the “Project name” input field. Click the “Create” button.

Add a new PLC to the project
Double-click the project tree command “Add new device”. The “Add new device “ dialog box opens. In the work
area, click the “SIMATIC PLC” button, and select your PLC by clicking its MLFB. Click the “OK” button.

Change the IP address of the Ethernet port
Double-click the project tree command “Devices & Networks”. In the “Devices & Networks” work area, click the
“Ethernet port” of your S7-1200 PLC.

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