Fisher DPR900 User Manual page 40

Controls and Indicators
&Tj
Err n indicates the controller has a fatal error affecting the DPR910
Err 2
function (refer to fault codes Appendix A). This type of fault cannot
be acknowledged and must be referred to maintenance personnel.
DPR91wx4
3.2.5
Analog Inputs
This function is intended for personnel involved
with configuration.
Any analog value can be shown as a percentage by selecting
I value.
FCODE 143. The value is displayed as X nnn , where X is the input
reference as shown in the following table, and nnn is the percentage
Ref
Signal
1 All in Engr Units
2 Al2 in Percent
3 A13 in Percent
4 A14 in Percent
5 Al5 in Percent
3.2.6
Display Priorities
Because the left side of the digital display can show a number of
different functions, the displays are given priorities.
The process value or the analog input/arithmetic block values are
displayed for half the time and the rest of the time, the fault codes,
autotuning phases and alarms are shown. When setpoint is shown, or
the controller is in the Programming mode, no other functions are
displayed.
UM6.l:DPR900:9102
May 1991