Delta PLC Communication issue

ajit.nayak87

Member
Join Date
Feb 2012
Location
bangalore
Posts
1
Dear all

I have DVP14SS211R series Delta PLC Which is having 24V DC supply voltage. I am using PLC as master and My end device as slave. My slave device set device_iD=1
I am using Modbus RTU protocol for Function code1
baud rate =9600
parity =none
Stop bit=1
data length=8

I would like to know how to send request with Function code 1(Read coil Register). i have attached code reference. Communication block it wont give error it shows 0 .means No error


I would like to know What is the Address to be set for MODRD/MODWR/MODRW function. If my salve id set is 1 FC1 start address 1 length is 32.

I have checked i made it correct . But i wanted to what should be register to get value.

COM_MNGRSetting.jpg Networ6.jpg network_4.jpg Network1.jpg Network2.jpg
 

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