I am a complete beginner and have no experience with WAGO systems, so I am currently quite confused.
I have obtained a WAGO RS232 fieldbus coupler (750-316/300-000) as well as several 750-430 digital input modules at a very low price.
My goal is to connect the fieldbus coupler to my PC and read the digital inputs, i.e. to determine which signal is present on which input. For testing purposes, I have connected eight indicator lamps and would like to determine purely by software which lamp is assigned to which module and which input bit.
Regarding the required software, I am unsure. I read here and there about I/O-Check, elsewhere CODESYS is mentioned, and in other places e!COCKPIT. It is not clear to me which of these tools I actually need.
In addition, I am not sure how to physically connect the PC.
Is the 750-923 (4-pin to USB) sufficient, or is additional hardware required, such as an RS232 interface or adapter? I would really appreciate it if someone could clarify this for me and give me a rough overview before I spend money unnecessarily.
The 750-316 is only a coupler for remote I/O. Codesys or e!cockpit is not required.
On your PC you need a RS-232 interface, probably a USB to RS-323 adaptor, and Modbus RTU Client Software, e.g. modbus poll, qModMaster. But also Python is possible. The first ones are more for testing, with Python you can develop your own application.
Manual you can find here (de) and here (en). For testing you need at least one I/I module and an end module 750-600.
The 750-923 USB cable is for the service interface to configure the coupler. For this you need Wago Ethernet Settings.
If I understand it correct, most settings you can configure also with the rotary switches as described in the manual.
Hello, I haven’t done it yet, but Wago Io check also seems to work with the service cable. However, this means that the inputs can only be read with Wago IO check and cannot be processed further.