[Omron's CP1E-NA Using Mobus-RTU Easy Master FUnction]

To add to the above reply:

 

I have hardwire the omron cp1w-cif11 in the following way:
All dip switchs ON expect number 4.

- Terminal 68 from Danfoss connected to RDB+ and SDB+ pins
- Terminal 69 from Danfoss connected to RDB- and SDB- pins

[Omron's CP1E-NA Using Mobus-RTU Easy Master FUnction]

Hello!

I'm also facing some problems with Modbus communication over a  Omron CP1W-CIF11 Port  that I have hardwired on the right side of a CP1E PLC. Attached you will find a simple test program that I have done form testing the communication with a Danfoss Drive. I only want to 2 read registers but I keep receiving the 80 Hex error. Any ideas what is wrong on the program?

 

Thanks in advance,

Bruno

test.rar