Unitronics Vision V130-TR34 Installation Manual page 8

Analog input wiring, current (2 wire)
Analog input wiring, current (4-wire)
 Shields should be connected at the signal's source.
The 0V signal of the analog input must be connected to the controller's 0V.

8
Analog Input Wiring
Analog input wiring, current (3-wire)
npn Outputs
TR34
Vision™PLC+HMI Installation Guide
Analog input wiring, voltage
Unitronics