beautypg.com

Ct2a] [ct2b] [db`a] [db`b, Operation-pid a or b, Cycle time, output 2a or 2b – Watlow Series 988 User Manual

Page 90: Dead band a or b

background image

5.16

WATLOW Series 988 User’s Manual

Operation Menus, Chapter 5

Operation-PID A or B

Cycle Time, Output 2A or 2B

Select the time, in seconds, of a complete on/off cycle.

[Ct2A] This prompt appears only if [CntL] (Global Menu) is not set to
[CSCd] and [Pb2A] is set higher than [```0].

If

Default

mechanical

[``%0]

[`1)0]

[99(9]

relay

[Ct2A]

[Ct2A]

[Ct2A]

outputs

open collector

[brSt]

[``)1]

[``!0]

[99(9]

or solid-state

[Ct2A]

[Ct2A]

[Ct2A]

[Ct2A]

relay outputs

Dead Band A or B

Select the width of the zone between the action of the heating output
and the cooling output.
If you select a positive value the heat and cool
outputs cannot be energized at the same time. If you select a negative
value, both outputs can be energized at the same time.

• If a process input is selected the decimal precision will be determined by
the [`dEC1] setting (Input Menu).

[db`A] This prompt appears only if [Pb2A] is set higher than [```0] and
one output performs heating action and the other performs cooling action.

If

Default

[``°F]

[-999]

[```0]

[`999]

[`C_F]

[db`A]

[db`A]

[db`A]

(Global Menu)

[``°C]

[-555]

[```0]

[`555]

[`C_F]

[db`A]

[db`A]

[db`A]

(Global Menu)

a process

[-999]

[```0]

[`999]

units

input is selected

[db`A]

[db`A]

[db`A]

[Ct2A]
[Ct2b]

[db`A]
[db`b]

˜

NOTE:
The PID B Menu
appears only on
controllers with
enhanced software
(98_B-_ _ _ _-_ _ _ _).