GE Druck TRX-II User Manual page 40

Source in scaled readings
Dial directly in scaled readings to SET a related source signal as
set-up. Press EXE to actually source the signal. The
functions are available for fine adjustment of the source. For details
see the chapter "SPECIAL MEASUREMENT FUNCTIONS" section
"Scaled Readings".
User Power Supplies
Power supplies available for the user are designed to power
transmitters, control and transducer Wheatstone bridges. The
following power supplies are available at the terminals as indicated:
24 VDC fixed, combined with the mA measure terminals,
current limited at 32 mA.
OR
24 VDC fixed, combined with the mA source terminals,
current limited at 32 mA.
EN-30
and key
K319 Issue 2