Flowserve Logix MD+ ValveSight - Manual (Page 19)

ValveSight™ Diagnostics DTM Manual for Logix MD+ Positioner with HART®
FCD- LGENSF0014-00
© Flowserve Corporation
19
Input Source
Select the analog or digital control mode. In analog mode, the positioner will position the
valve according to the 4-20 mA supplied current. In digital mode, the positioner will position
according to the value entered in the Digital Input field.
Pressure
Supply, port A and port B pressures are seen in this box. If the Supply Pressure field is
yellow or red, there is a problem with the supply pressure to the positioner. The fields in the
Pressure box are only active if the positioner is upgraded to have Advanced or Pro
diagnostics.