CLS200 Series User’s Guide
Chapter 3: Using CLS200
52
Table 3.2 explains the control status symbols on the bottom line of bar graph display. Additional
symbols may appear with the ramp/soak option. (See Bar Graph Display on page 126.)
Table 3.2 — Control Status Symbols on the Bar Graph and Single Loop Displays
BAR GRAPH
DISPLAY SYMBOL
SINGLE LOOP
DISPLAY SYMBOL
DESCRIPTION
M MAN
One or both outputs are enabled. Loop is in manual control.
A AUTO
Only one output (heat or cool) is enabled. Loop is in
automatic control.
T TUNE
The loop is in autotune mode.
H
T
HEAT
Both heat and cool outputs are enabled. Loop is in automatic
control and heating.
C
L
COOL
Both heat and cool outputs are enabled. Loop is in automatic
control and cooling.
(blank) (blank)
Both outputs disabled, or input type is set to SKIP.
Navigating in Bar Graph Display
When the bar graph display is visible:
• Press the YES (up) or NO (down) key to see a new group of loops.
• Press ENTER twice to scan all groups of loops. The groups will display sequentially for three
seconds each. This is called scanning mode.
• Press any key to stop scanning.
• Press BACK once to go to the job display, if enabled, or the single loop display.
Single Loop Display
The single loop display shows detailed information for one loop at a time.
ALARM
Engineering
Units
Output
Percentage
Control Status
Setpoint
Loop Number
or Name
Process Variable
02 160˚F
180AUTO100
Figure 3.4 — Single Loop Display
The control status indicator shows MAN, AUTO or TUNE modes.
If both control outputs for a loop are enabled and the loop is in automatic control, then the single
loop display shows HEAT or COOL as the control status:
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