RSLinx Classic
9355-WABGWENE:
RSLinx Classic Gateway - If the application has multiple devices (controllers) and the OPC application is running on a different PC than RSLinx® Classic (or the same as RSLinx® Classic on a 32 or 64 bit version of Windows)
9355-WABOEMENE:
RSLinx Classic OEM - If the application has multiple devices (controllers) and the OPC application is running on the same Windows 32 bit PC as RSLinx® Classic
9355-WABSNENE:
RSLinx Classic Single Node - If the application only has a single device (controller) and the OPC application is running on the same Windows 32 bit PC as RSLinx® Classic