Display

Parameter name

Set-

Range

Default

Appears If

 

Description

tings

 

 

 

 

 

 

 

 

 

[Loop]

 

 

 

 

 

[oPEr]

 

 

 

 

 

Loop Menu

 

 

 

 

 

 

 

 

 

 

[`r;En]

Loop

 

[``no] No

No

PM6 _ _ _ _-_ (R

[ r;En]

Remote Enable

 

[`YES] Yes

 

) _ _ A A A

 

Switch control to the remote set point.

 

 

 

 

 

 

 

 

 

 

[`r;ty]

Loop

 

[AUto] Auto (closed loop)

Auto

Remote Enable

[ r.ty]

Remote Set Point Type

 

[MAn] Manual (open loop)

 

is set to Yes.

 

Select how the remote set point will be deter-

 

 

 

 

 

mined.

 

 

 

 

[`C;M]

Loop

 

[`off] Off

Auto

always

[ C.M]

Control Mode

 

[AUto] Auto (closed loop)

 

 

 

Select the method that the controller will use to

 

[MAn] Manual (open loop)

 

 

 

control.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[A;tSP]

Loop

 

50.0 to 200.0%

90.0

Heat Algorithm

[A.tSP}

Autotune Set Point

 

 

 

or Cool Algo-

 

Set the set point that the autotune will use, as a

 

 

 

rithm (Setup

 

percentage of the current set point.

 

 

 

Page) is set to

 

 

 

 

 

PID.

 

 

 

 

 

 

[`AUt]

Loop

 

[``no] No

No

Heat Algorithm

[ AUt]

Autotune Request

 

[`YES] Yes

 

or Cool Algo-

 

Start an autotune. While autotune is active, the

 

 

 

rithm (Setup

 

Home Page will display [Attn] [tUn1]. When

 

 

 

Page) is set to

 

the autotune is complete, the message will clear

 

 

 

PID.

 

automatically.

 

 

 

 

 

 

 

 

 

 

[`C;SP]

Loop

 

Low Set Point to High Set Point

75.0°F or

always

[ C.SP]

Closed Loop Set Point

 

(Setup Page)

units

 

 

Set the set point that the controller will automati-

 

 

24.0°C

 

 

cally control to.

 

 

 

 

 

 

 

 

 

 

[`id;S]

Loop

 

Low Set Point to High Set Point

75.0°F or

always

[ id.S]

Idle Set Point

 

(Setup Page)

units

 

 

Set a closed loop set point that can be triggered by

 

 

24.0°C

 

 

an event state.

 

 

 

 

 

 

 

 

 

 

[`h;Pb]

Loop

 

0.001 to 9,999.000°F or units

25.0°F or

Heat Algorithm

[ h.Pb]

Heat Proportional Band

 

-1,110.555 to 5,555.000°C

units

(Setup Page) is

 

Set the PID proportional band for the heat outputs.

 

 

14.0°C

set to PID.

 

 

 

 

 

 

[`h;hy]

Loop

 

0.001 to 9,999.000°F or units

3.0°F or

Heat Algorithm

[ h.hy]

Heat Hysteresis

 

-1,110.555 to 5,555.000°C

units

(Setup Page) is

 

Set the control switching hysteresis for on-off con-

 

 

2.0°C

set to On-Off.

 

trol. This determines how far into the “on” region

 

 

 

 

 

the process value needs to move before the output

 

 

 

 

 

turns on.

 

 

 

 

 

 

 

 

 

 

[`C;Pb]

Loop

 

0.001 to 9,999.000°F or units

25.0°F or

Cool Algorithm

[ C.Pb]

Cool Proportional Band

 

-1,110.555 to 5,555.000°C

units

(Setup Page) is

 

Set the PID proportional band for the cool outputs.

 

 

14.0°C

set to PID.

 

 

 

 

 

 

[`C;hy]

Loop

 

0.001 to 9,999.000°F or units

3.0°F or

Cool Algorithm

[ C.hy]

Cool Hysteresis

 

-1,110.555 to 5,555.000°C

units

(Setup Page) is

 

Set the control switching hysteresis for on-off con-

 

 

2.0°C

set to On-Off.

 

trol. This determines how far into the “on” region

 

 

 

 

 

the process value needs to move before the output

 

 

 

 

 

turns on.

 

 

 

 

 

 

 

 

 

 

[``ti]

Loop

 

0 to 9,999 seconds per repeat

180.0 sec-

Heat Algorithm

[ ti]

Time Integral

 

 

onds per

or Cool Algo-

 

Set the PID integral for the outputs.

 

 

repeat

rithm (Setup

 

 

 

 

 

Page) is set to

 

 

 

 

 

PID.

 

 

 

 

 

 

[``td]

Loop

 

0 to 9,999 seconds

0.0

Heat Algorithm

[ td]

Time Derivative

 

 

seconds

or Cool Algo-

 

Set the PID derivative time for the outputs.

 

 

 

rithm (Setup

 

 

 

 

 

Page) is set to

 

 

 

 

 

PID.

 

 

 

 

 

 

Note: Some values will be rounded off to fit in the four-character display. Full values can be read with other interfaces.

If there is only one instance of a menu, no submenus will appear.

Watlow EZ-ZONE®PM Integrated Controller

• 30 •

Chapter 5 Operations Page