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Interacting with Loop Displays
When the Loop w/Bar Graph, Loop 2 Bar, Loop 3 Bar, or Loop 4 Bar display is shown you can:
•
select Auto or Manual control mode for the loop,
•
change loop output,
•
change the setpoint value,
•
switch to the Loop Tuning display for Setpoint 1/.Setpoint 2 toggle (for tuning parameters and
pretuning).
Detailed instructions for performing these interactions are described in. Table 6-7.
To perform this action
Move the cursor box to
another area of the display
Toggle the loop between
Auto and Manual modes
12/00
LP1
LP2
1000.00
1500.00
0.00
0.00
PV
405.00
PV 1054.00
SP
405.00
SP 1040.00
OUT
15.0
OUT
10.0
A
SP1
A
SP2
Loop 2 Bar Summary
(LOOP_2BS)
LP1
LP4
LP2
LP3
1000.00
1500.00
2400.00
1200.00
0.00
0.00
0.00
0.00
623.00
PV
405.00
1054.00
1266.00
SP
405.00
622.00
1040.00
1244.00
OUT
15.0
5.0
5.0
10.0
M
S1
A
S1
M
S2
A
S1
Loop 4 Bar Summary
(LOOP_4BS)
Figure 6-7 Loop Displays
Table 6-7 Interacting With Loop Displays
Press the Tab key to move the cursor to the Loop Tag at the top of the display,
then to the setpoint value, then to the loop output value (if loop is in Manual
mode).
Press Auto/Manual button.
To use the Auto/Manual button all of the following conditions must be met.
1. Loop must be in Local mode, which means FORCE REMOTE MAN discrete
parameter must be OFF.
2. DISCR VS KEY SEL discrete parameter must be OFF.
3. If security is active for AUTO/MAN changes, the security code must be
entered first.
For a description of the loop parameters FORCE REMOTE MAN and DISCR
VS KEY SEL, see Table 4-10.
continued
VPR & VRX – User Manual
Online Operations Using Primary Displays
LP1
LP2
LP3
1000.00
1500.00
1200.00
0.00
0.00
0.00
PV
405.00
PV 1054.00
PV
623.00
SP
405.00
SP 1040.00
SP
622.00
OUT
15.0
OUT
10.0
OUT
A
SP1
A
SP2
M
SP1
Loop 3 Bar Summary
(LOOP_3BS)
LOOP 1
11/15
12:15
SP1
AUTO
2500.00
PV 2205.00
SP 2000.00
DEV 205.00
OUT 83.5%
0
100%
1500.00
Loop with Bar Graph
(LOOP_BAR)
Do these steps
5.0
227
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