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

51

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