Setup for Pro Link and Pro Link+ is identical. The only difference is that Pro Link connects to the MPVI2 and the original RTD. Pro Link+ connects to all later interface devices.
Up to two analog inputs can be connected, with each input in the 0 - 5 V range. See Adding Pro Link and Pro Link+ Analog Inputs for instructions.
CAN Bus Inputs
The Pro Link can also receive messages from a 500 kbps CAN bus. See Adding a CAN Bus Input for instructions.