Watlow MLS - Manual (Page 64)

52 MLS User’s Guide
Using the MLS
Navigating in Bar Graph Display
Press the Yes (up) or No (down) key to see a new group.
• Press Enter twice to scan all groups. The groups will display sequen-
tially for three seconds each. This is called Scanning Mode.
• Press Back, Yes or No to go back to Bar Graph display.
• From Bar Graph display, press Back once to go to Single Loop dis-
play.
Viewing One Loop: Single Loop Display
Single Loop display (below) shows detailed information for only one
loop. If the heat and cool outputs are enabled, Single Loop display looks
like this:
The control status indicator shows HEAT or COOL if the loop is in
automatic control, and MAN or TUNE if the loop is in manual control.
Bar Graph
DisplaySy
mbol
Single
Loop
DisplaySy
mbol
Description
M MAN One or both outputs enabled. Loop is in manual control.
A AUTO Only one output (Heat or Cool) is enabled. Loop is in automatic
control.
T TUNE Indication that 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.
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
02 160 º F
180 AUTO 100
Engineering
Units
Output
percentage
Control Status
Setpoint
Loop Number
or Name
Process Variable