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Page 14 Despatch/Watlow 1500 Control Instruction Manual

Profile Mode

This section of the manual provides details on programming

the Watlow 1500 in the Change Data (CHG DATA) mode,

the Change Parameters (CHG PARA) mode and Guarded

Access. Refer to the Watlow 1500 manual for more details.

Change Data Mode

When the Watlow CHG DATA LED is lit, the processor is in

the change data mode. While in this mode, the

programming steps can be entered into the processor.

There are three step types:

C Set Point (SP)

C Jump Loop (JL)

C Wait (WT)

Halt Conditions

The Watlow 1500 can HALT in three ways, when the:

C processor encounters a Blank Step in the program,

C RUN/HALT key is pressed while the program is

running,

C remote hold input is shorted.

While in the HALT condition, the Watlow 1500 actively

maintains set points and event output conditions which

existed at the time the processor was halted.

If you do not want the hot or humid conditions to be retained

at the end of a programmed halt, add a step just before the

Blank Step [End of Program] to establish stand-by set points

near ambient with all Event Outputs OFF.

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Despatch 1500 Controller Manuale Utente Pagina 20