
I185 GB 06 15
LRX D01
97
CHAPTER 6: MODBUS LRD20RD024P1 COMMUNICATION
COMMUNICATION’S FUNCTION SUMMARIZATION
Communication parameter
Communication mode parameter and baud rate
Remote IO function
It can be used to communication between 2 LRD units
I/O Link function
Up to 8 LRD20RD024P1 units can be configured as I/O Link nodes. Each LRD can make used of the
I/O information of other LRD for detail, please refer to section I/O Link function
Modbus RTU master
LRD can be used as master
Modbus RTU slave
LRD can be controlled by computer or other controller with Modbus protocol via RS485 port
COMMUNICATION PARAMETER
There are two ways to set communication parameter:
–
Setting communication parameter via LRDSW.
– Select Operation
➔
Module System Set, to open the dialog box as show below.
– As the illustration show, you can set Communication Mode and Baud Rate.
– In the table below, list the options which you can choose from.
Communication Mode
8/N/2 Data 8bit, No Parity, 2 Stop bit
8/E/1 Data 8bit, Even Parity, 1 Stop bit
8/0/1 Data 8bit, Odd Parity, 1 Stop bit
8/N/1 Data 8bit, No Parity, 1 Stop bit
Baud Rate
4800 bps
9600 bps
19200 bps
38400 bps
57600 bps
115200 bps
–
Set communication format and Baud Rate on LRD.
i. Press ESC to enter main menu.
ii. Press UP/DOWN to choose SET menu, and press OK to enter it.
iii. Press UP/DOWN makes the LCD to display the options as show below.