1756-RM001B-EN-P, Using ControlLogix in SIL2 ... - Tuv-fs.com

ControlLogix I/O Modules 6-17Wiring the Single-Ended Input Module in Current ModeIn addition to following the General Considerations when using AnyControlLogix Analog Input Module on page 6-13, before wiring themodule, consider the following application guideline:• Placement of Other Devices in Current Loop: you can locateother devices in an input channel’s current loop anywhere aslong as the current source can provide sufficient voltage toaccommodate all of the voltage drops (each module input is 250ohms)Figure 6.13 shows how to wire the 1756-IF8 module for use in currentmode.Figure 6.13 ControlLogix Analog Input Module Wiring in Current ModeCh0 +Ch0 +Ch0 – Ch0 –CurrentSource ACurrentSource B43369Publication 1756-RM001B-EN-P - October 2003