ABB COMMANDER 1911 Operating Manual page 16

...5 CONTROL OPERATION
...5.2 Operating Page Displays
100. 3
r50. 0
100. 3
dEG F
LOCAL
110. 5
Only displayed if enabled in
the
Set Up Operating Page,
CONTROL CONFIGURATION
LEVEL
rAtIO
1. 0 00
bIAS
100. 3
110. 3
No additional options
PrG 1
Profile Option
rAMP
tIME
Timer Option
12:00
14
Process Variable
Temperature Units
The units are set in the
selected.
rEMOtE
bALNCE
LOCAL
or
dUAL
or
CASCdE
Faceplate 2 only
The
also be used for
display of the Balance value , i.e.
Remote (or Cascade) Set Point Ratio
The remote (or cascade) set point input (in engineering units) is multiplied by the
ratio to obtain the control set point value, i.e.
Remote (or cascade) Set Point Value = Input x Ratio + Bias
Use the
in 0.001 increments
Remote (or Cascade) Set Point Bias
The bias value is added to the remote (cascade) set point value (see previous
frame)
0. 0
Use the
The bias can be set to either a positive or negative value (in engineering units).
or
Continued on next page.
BASIC CONFIGURATION LEVEL
Set Point Type Selection
The displays show the difference between the
Balance
and set point values (remote, dual or cascade) when
Second
switching from local to second set point, i.e.
Balance = Second set point – Local set point.
If the difference is too great, press the
frame and adjust the Local set point to obtain
Control Set Point
an acceptable difference.
If remote set point tracking is enabled (
CONTROL CONFIGURATION LEVEL
the remote set point when the remote set point is selected.
switch (if programmed in the
/ set point selection, but transfer takes place without
Local Second
LOCAL
and switches to set the ratio required, between 0.010 and 9.999
and switches to set the bias required.
Display is blank if '
switch to return to the
), the local set point tracks
ADVANCED CONFIGURATION LEVEL
rEMOtE
dUAL
CASCdE
' is
NONE
Local
Set Points Page,
) can