Watlow Series F4S/D - Manual (Page 35)

Wa t l o w S e r i e s F 4 S / D P r o f i l e P r o g r a m m i n g ■ 4 . 3
Soak
Soak maintains the set point from the previous
step for a chosen time in hours, minutes and sec-
onds. Define the Soak step by choosing:
1. Wait for an event or process value;
(Wait for Events are set up in the Setup Page.)
2. Event outputs to turn on or off (if digital out-
puts are set up as events in the Setup Page);
3. Time;
4. PID set (one of five sets of heat/cool PID pa-
rameters per channel, pre-defined in the Opera-
tions Page); or
5. Guaranteed Soak (requires the actual process
value to stay within the Soak Band as set in
the System Menu).
Jump
Jump initiates another step or profile. Define the
Jump step by choosing:
1. Profile to jump to;
2. Step to jump to; and
3. Number of Repeats.
✔ NOTE:
If a power out condition occurs during a profile and
more than 20 jump steps are stored in the F4’s Profile
Program memory, the controller will terminate the profile
and turn off all outputs if Continue, Hold or Terminate
was selected as the Power Out action. If Profile Reset or
Go to Idle Set Point was selected, the controller will take
those actions. A pop-up message will warn of this when
the 21st jump step is programmed
End
End terminates the profile in a chosen state. All
profiles must have an End step. It cannot be delet-
ed or changed to another step type. Define the End
by choosing:
• End with Hold, Control Off, All Off or Idle end
state.
Another Option: Wait For
Wait For is not a step type, but Ramp T ime, Ramp
Rate and Soak steps can be programmed to wait for
events and processes. This means the wait condi-
tions must be satisfied before the time clock and
the step activity proceeds.
If the step is to wait for an analog input, the actual
process value must arrive at or cross the specified
value before the step proceeds.
Digital inputs must first be configured in the Setup
Page as Wait for Events, with the condition to be
met also specified. Then, to wait for this digital
input, you must specify On, meaning the condition
as configured in the Setup Page, or Off, meaning
the opposite of that condition.
Profile Plan Checklist
1. Configure the controller
(Setup Page) to
provide the right foundation for the profile:
❏ Set the appropriate input sensor ranges
and limits (Input Menus).
❏ Establish digital inputs and outputs as
events if required (Digital Input and
Output Menus).
❏ Set the guaranteed soak band (System
Menu).
❏ Decide the controller response to a
power-out situation (System Menu).
❏ Choose Celsius or Fahrenheit (System
Menu) scale.
❏ If Setup Page values have not been
recorded, note them on the Setup Page
Parameter Record in the Setup Chapter.
2. Check the Operations Page:
❏ If defaults are not acceptable, establish
PID values (through the Autotune or
Edit PID Menu).
❏ Set the alarm set points (Alarm Set
Points Menu).
3. Plan the profile on paper. The User Pro-
file Record (later in this chapter) will give
you a framework for your plan.
4. Program the profile. Make sure the User
Profile Record is an accurate record of the
program.
5. Store the Setup Page Parameter
Record along with the User Profile Record
to document your programmed settings.