Setup, Chapter 4
28
WATLOW Series 942 User's Manual
Operation
Operation Parameters
Set Point:
Sets the operating set point for the control outputs. "SP" does not
appear, the control set point
value
will. Decrementing the set point below rL
displays OFF in the lower display. This disables all outputs except deviation alarm
outputs, which remain energized.
Range:
OFF/ rL to rH
Default:
Dependent on input range
Program:
Select whether you want to enter the Program menu or enter the
Operation menu. By selecting no, you continue to the Operation menu.
Range:
YES or no
Default:
no
Ent1:
Select whether Event 1 ( Output 3) is ON or OFF. When a profile is com-
plete or has been put on hold, it holds at its previous state. Only appears if Ot3 =
Ent, and your unit has auxiliary outputs. For more information on events see
Chapter 6.
Range:
On or OFF
Default:
OFF
[
SP ]
Prog (no)
Ent1
Operation Menu
In the Operation menu, the 942 operates as a digital set point control. Select a set
point and the 942 attains that value on a non-linear ramp. If your unit has auxiliary
outputs programmed as events, they can be selected as ON or OFF. All outputs
are turned OFF when set point is set to OFF.
M
Mode Key
= Parameter may or may not appear
depending on control configuration.
Figure 34 -
The Operation Menu.
NOTE:
The Upper display
always returns to
the process value
after 1 minute
without key strokes.
Pb1
Pb2
rE1/It1
rE2/It2
rA1/dE1
rA2/dE2
ct1
ct2
db
A1LO
A1HI
A2LO
A2HI
CAL
Aut
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
Ent1
Ent2
( )
( )
[SP]
Prog
(no)
Event 1
Event 2
Proportional band 1
Proportional band 2
Reset 1/Integral 1
Reset 2/Integral 2
Rate 1/Derivative1
Rate 2/Derivative 2
Cycle time 1
Cycle time 2
Deadband
Alarm 1 low
Alarm 1 high
Alarm 2 low
Alarm 2 high
Calibration offset
Auto-tune
[Set Point]
Program?
