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Dwyer 16A User Manual

Page 22

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The following menu items apply only if your control is equipped with a sec-
ond set point (last digit of model number is not zero). If your control does
not have a second set point, jump to the

tunE menu on the next page.

0ut2

Output selection: Select OnOF, #

tP

, #

PuL

, or

ProP

.

0n0F

A setting of

0n0F

allows the control to operate in simple on/off

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

SP2d

). When selected,

the

0ut2

/

0n0F

menu item is followed by ####

SP2d

, and the

Pb2

selection in the Secondary menu and the

S20L

and

S20H

selections in the Secure menu are suppressed.

SP2d

Set Point On-Off Differential (hysteresis). Select

1

to

9999

(direct acting), or

-1

to

-9999

(reverse acting).

See

SP1d

on the previous page.

##

tP

Time Proportioning Cycle Time. Select

1tP

to

80tP

.

1tP

A setting of

1tP

is recommended for solid state outputs

(SSR or 15VDC).

2tP

to

80tP

Time Proportioning Control is adjustable 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

Pulsed Time Porpotioning Output: Select

1PuL

to

7PuL

.

1PuL

= Linear and

7PuL

= most nonlinear. Changes

output linearity for use in cooling applications or for
extremely fast response processes. At the center of the
proportional band, a pulse value of 1 provides an output
of one second on and one second off (50% output). A
pulse value of 2 provides an output of one second on and
two seconds off (33% output). Output at center of band
equals one second on, 2(pulse value -1) seconds off.

ProP

For Current (Code 5) outputs only.

SP

#

SP

Note
Then
num
indic

#

tun

tunE

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