7
.
Serial Communications Connection Procedure
10
7. Serial Communications Connection Procedure
This section describes the procedures for connecting PLC to Inverter using serial
communications.
In this document, the explanations of procedures for setting up PLC and Inverter are based on
the factory default settings. For the initialization, refer to
Section 8. Initialization Method
.
7.1. Work Flow
Take the following steps to connect PLC to Inverter using serial communications, and send
and receive messages.
7.2. Setting up Inverter
Set up Inverter.
↓
7.2.1. Hardware Settings
Set the hardware switches on Inverter and connect
the cables.
↓
7.2.2. Parameter Settings
Set the parameters for Inverter.
↓
7.3. Setting up PLC
Set up PLC.
↓
7.3.1. Hardware Settings
Set the hardware switches on Serial Communications
Unit and connect the cables.
↓
7.3.2. Opening the Project File and
Connecting Online with PLC
Start CX-Programmer, open the project file, and
connect online with PLC.
↓
7.3.3. Creating the I/O Table
Create the I/O table for PLC.
↓
7.3.4. Parameter Settings
Set the parameters for Serial Communications Unit.
↓
7.3.5. Transferring the Project Data
Transfer the project data to PLC.
↓
7.4. Checking the Serial
Communications
Start the send/receive processing and check that
serial communications are normally performed.
↓
7.4.1. Checking the Receive Data
Check that the correct data is written to the I/O
memory of PLC by using CX-Programmer.
Содержание CJ2*-CPU Series
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