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Dwyer 32DZ User Manual

Page 17

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June, 2000

Page 17 of 40

949-1318

If

Edit

Edit

Edit

Edit

Edit

is set to

1

11

11

or

3

33

33

, begin.

If

Edit

Edit

Edit

Edit

Edit

is set to

2

22

22

, jump to

Out2

Out2

Out2

Out2

Out2

on page 20.

Out1

Out1

Out1

Out1

Out1

Output selection: Select

OnOf

OnOf

OnOf

OnOf

OnOf

,

1tP

1tP

1tP

1tP

1tP

, or

1PuL

1PuL

1PuL

1PuL

1PuL

.

ONOF

ONOF

ONOF

ONOF

ONOF

A setting of

ONOF

ONOF

ONOF

ONOF

ONOF

allows the control to operate as

a simple on/off mode. This setting forces the
control to turn off at set point, and on at the set
point plus the differential (

SP1d

SP1d

SP1d

SP1d

SP1d

). When selected,

the

Out1

Out1

Out1

Out1

Out1

/

OnOF

OnOF

OnOF

OnOF

OnOF

menu item is followed by ####/

SP1d

SP1d

SP1d

SP1d

SP1d

,

and the

tun1

tun1

tun1

tun1

tun1

,

Pb1

Pb1

Pb1

Pb1

Pb1

,

rES1

rES1

rES1

rES1

rES1

,

OFS1

OFS1

OFS1

OFS1

OFS1

,

rtE1

rtE1

rtE1

rtE1

rtE1

, and

ArS1

ArS1

ArS1

ArS1

ArS1

selections in the Secondary menu and the

S1OL

S1OL

S1OL

S1OL

S1OL

and

S1OH

S1OH

S1OH

S1OH

S1OH

selections in the Secure menu are sup-

pressed.

SP1d

SP1d

SP1d

SP1d

SP1d

Set Point On-Off Differential (hysteresis).
Select

1

11

11

to

9999

9999

9999

9999

9999

(direct acting), or

-1

-1

-1

-1

-1

to

-9999

-9999

-9999

-9999

-9999

(reverse acting). This value will be

negative for reverse acting set points, and
positive for direct acting outputs. Set the
value for the amount of difference between
the turn off point (set point) and the turn on
point. The following drawing shows output
behavior for reverse and direct action.

##

tP

tP

tP

tP

tP

Time Proportioning Cycle Time. Select

1tP

1tP

1tP

1tP

1tP

to

80tP

80tP

80tP

80tP

80tP

.

1tP

1tP

1tP

1tP

1tP

A setting of

1tP

1tP

1tP

1tP

1tP

is recommended for solid

state outputs (SSR, DC SSR, or 5VDC).

2tP

2tP

2tP

2tP

2tP

to

80tP

80tP

80tP

80tP

80tP

Time Proportioning Control is ad-

justable in 1 second steps. Recommended
for mechanical outputs (relays, solenoids,
etc.). For best contact life, a time should
be selected as long as possible without
causing the process to wander.

#

PuL

PuL

PuL

PuL

PuL

Pulsed Time Proportioning Output: Select

1PuL

1PuL

1PuL

1PuL

1PuL

to

7PuL

7PuL

7PuL

7PuL

7PuL

.

1PuL

1PuL

1PuL

1PuL

1PuL

= Linear and

7PuL

7PuL

7PuL

7PuL

7PuL

=

most nonlinear. Changes output linearity
for use in cooling applications or for an
extremely fast response processes. At the
center of the proportional band, a pulse