Chromalox 1603 User Manual download pdf (Page 26)

GBGB

Span: from 1 to 200 s.

rCrC

rC Relative Cooling gain.

This is skipped if Pb = 0 (ON/OFF action)

or P5 is not 5.

Span: from 0.20 to 1.00

OLPOLP

OLP Dead band/Overlap between H/C outs (in %

of the proportional band).

“OLP” is skipped if Pb = 0 (ON/OFF

action) or P5 is not 5.

A negative value shows a dead band

while a positive value shows an overlap.

Span: from -20 to 50%.

rLrL

rL Set point low limit (in eng. units).

Span: from min. range value (P2) to rH.

NoteNote

Note: when rL value has been chenged,

if the SP and SP2 value are lower than

the new rL value, thay will be alligned to

the new rL value.

rHrH

rH Set point high limit (in eng. units).

Range:from rL to full scale value (P3).

NoteNote

Note: when rH value has been chenged,

if the SP and SP2 value are higher than

the new rH value, thay will be alligned to

the new rH value.

OLHOLH

OLH Out maximum limit (in % of the out).

Span:

- From 0 to 100 when the instrument is

configured with one control out.

- From -100 to 100 when the instrument

is configured for two control outs.

tOLtOL

tOL Duration of the out power limiter (in

minutes).

Available only if Pb is not 0.

Span: from 1 to 540 min. Above this limit,

the display shows "

InfInf

Inf" and the

limitation is always entered.

NoteNote

Note: Parameter tOL can be modified

but the new value will only become

operative at the next instrument start up

unless the new value is

InfInf

Inf.

5.11 SP/SP2 SELECTION5.11 SP/SP2 SELECTION

5.11 SP/SP2 SELECTION

When P22= 0 the set point 2 is not available.

When P22 = 1, it is possible to select the operating

set point (SP or SP2) by the logic input only (terminals

11 and 12).

When P22 > 1 the set point selection is managed

by timer function and no manual selection is

available

5.12 Timer modes description5.12 Timer modes description

5.12 Timer modes description

Timer mode 1 [P22 = 5]Timer mode 1 [P22 = 5]

Timer mode 1 [P22 = 5]

If the logic input remains in open condition for more

than a programmed time the instrument goes

automatically to a stand by temperature (SP2).

The time count is reset when the logic input is

closed.

1603E display management1603E display management

1603E display management: the upper

display shows the measured value while the lower

display shows the operative set point.

1601E display management1601E display management

1601E display management: the display

shows the measured value.

Pushing  pushbutton it is possible to display the

operative set point.

Closed

SP2

Open

Time

Logic input

Closed

Open

Programmed

time

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Chromalox 1603 User Manual Page 26

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