Watlow Series 920 Microprocessor-Based Ramping Control User Manual
Page 51

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One of three main
level
operating menus. From the PROGRAM menu, you can enter or
view step type, program loops, wait
for conditions, set points, auxiliary (event) outputs
ON/OFF, and step duration.
Represents the current SYSTEM file of the Series 920 to be edited or reviewed.
Range: 1 to 10 files
Default: 1
Represents the current step of a file of the Series 920 to be edited or reviewed.
Range: 1 to 99 steps
Default: 1
One of six step types under the
PROGRAM menu of the Series 920. Can be pro-
grammed as a file or a
step to achieve or maintain a set point.
Represents the temperature that the system will try to achieve in the amount of time
given. This will be done linearly, producing a ramp from a beginning set point to an end
set point. In the RUN mode the SE prompt will appear. This represents the set
endpoint that the Series 920 is to achieve.
Range: RAL to RAH
Default: Unprogrammed
The number of hours, in combination with the MIN and SEC parameters, that
equal the total step time to achieve the temperature under the SETPOINT step-type.
This parameter only appears if PRG - TlME under the SPCLFUNC menu.
Range: 0 to 23 hours
Default: Unprogrammed
The number of minutes that equal total
step time to achieve the temperature of the
Series 920.
Under the SETPOINT step-type. This parameter only appears if PRG
TIME under the SPCLFUNC menu.
Range: 0 to 59 minutes
Default: Unprogrammed
The number of seconds that equal total step time to achieve the temperature of the
Series 920. Under the SEtPOINT steptype. This parameter only appears if PRG -
TIME under the SPCLFUNC menu.
Range: 0 to 59 seconds Default: Unprogrammed
Represents the rate at which the set point changes in a given time. This parameter only
appears if PRG = RATE.
Range: 0.0 - 360.0°F10.0 - 200.0°C minimum per minute Default: Unprogrammed
This auxiliary output oan be an alarm or event. EV1 only appears when AUX1 = EV.
Auxiliary outputs can be alarms or events.
Range: OFF or ON
Default: Unprogrammed
This auxiliary output can be an alarm or event.EV2 only appears when AUX2 = EV.
Auxiliary outputs can be alarms or events.
Range: OFF or ON
Default: Unprogrammed
From RETURN, you can go back to SYSTEM prompt by pressing the ENTER key, or
return to FILE? by pressing the MODE key.
One of six step types under the PROGRAM menu of the Series 920 that can be
programmed as a step or file.You can jump from one step to anothr within a file.
The Series 920 will jump step to any step within your current file. You cannot jump loop
to another step in another file.
Range: 1 to 99 Default 1
How To Program the Series 920, Chapter 6 WATLOW Series 920 User’s Manual
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