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6 Programless Communications
E5@C Digital Temperature Controllers Communications Manual (H175)
6-10 Connecting to MELSEC iQ-R-series PLCs
6
6-10-3 PLC Setup
(3) A setting item tab page will be display for the Serial Communication Module you
double-clicked in the Module configuration. Make the settings for the corresponding
channel.
In the following example, channel 2 (RS-422/485) is set for the RJ71C24 Module.
Note: All of the above settings are the default settings.
Writing the Program to the PLC
This concludes the Serial Communication Module settings. However, the PLC will not operate without a
program.
You must create at least a minimal program.
(1) Right-click Initial under Program on the left side of the window and select Add New
Data.
A dialog box will be displayed. Click the OK Button.
Setting item Value
Communications protocol setting MC protocol (format 4)
Communication speed setting 57600bps
Parity bit Yes
Even/odd parity Even
Stop bit 2
Sumcheck code Yes
Online change Enable
Setting change Enable
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