Spectrum Controls 1756sc-OF8H Series A - Manual (Page 30)

16 ControlLogix ™ Analog HART Modules
Wiring Outputs to the
OF8H Module
The OF8H module supports voltage and current outputs.
Voltage Outputs - Voltage outputs use the terminal block pins labelled
VOUT-# and RTN
Current Outputs - Current outputs use the terminal block pins labelled
IOUT-# and RTN
Note: HART communication is only active with current outputs.