Single loop display, Scanning display, Alarm display – Watlow 8LS Controller User Manual
Page 49

Using the 8LS
8LS User’s Guide 41
The table below shows the status symbols for the Ramp and Soak
option.
If an acknowledged alarm exists, the Bar Graph is replaced by an alarm
symbol.
Press Back to see the Single Loop display.
Single Loop Display
This display shows the detailed information for one loop at a time.
Press the Back key to return to the Bar Graph display.
Scanning Display
Pressing both Yes and No arrow keys when you’re in Single Loop
display, activates the Scanning display.
In this mode, the controller will automatically step through the active
channels, showing the Single Loop display for each, for about a second.
Press any arrow key to return to the Single Loop display.
Alarm Display
The Alarm display is the same as the Single Loop display except the
alarm status is flashing.
Loop Status Symbol
Description
Loop Function
Loop Display
START
S
Ramp/Soak profile loaded, ready to start
RUN
R
Ramp/Soak profile is running
HOLD
H
Ramp/Soak profile is in hold
WAIT
W
Ramp/Soak loop is waiting for a trigger state to be
satisfied
TOLERANCE
ERROR
T
Ramp/Soak loop is out of tolerance and loop is in
hold
1
2
3
4
5
6
7
8
LOOP
PROCESS
UNITS
ALARM
SETPOINT
STATUS OUTPUT%
8
76
F
°
130 A100