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Ct1a] [ct1b] [pb2a] [pb2b, Operation-pid a or b, Cycle time, output 1 – Watlow Series 988 User Manual

Page 89: Proportional band, output 2

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WATLOW Series 988 User’s Manual

5.13

Operation Menus, Chapter 5

Operation-PID A or B

Cycle Time, Output 1

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

[Ct1A] This prompt appears only if [`In1] (Input Menu) is not set to a
process,

[CntL] (Global Menu) is not set to [CSCd] and [Pb1A] is set high-

er than

[```0].

If

Default

mechanical

[``%0] … [`1)0] … [99(9]

sec.

relay

[Ct1A]

[Ct1A]

[Ct1A]

outputs

open collector

[brSt]

[``)1] … [``!0] … [99(9]

sec.

or solid-state

[Ct1A]

[Ct1A]

[Ct1A]

[Ct1A]

relay outputs

Proportional Band, Output 2

Select the proportional band for PID output 2. If set to

[```0] it func-

tions as an on/off control, and the switching differential is determined by
the

[HYS2] value (Output Menu). Decimal precision is determined by the

[`dEC1] or [`dEC2] setting (Input Menu).

[Pb2A] This prompt appears only if [CntL] (Global Menu) is not set to
[CSCd] and if [`Ot2] (Output Menu) is set to [``Ht] or [``CL] or if [ALg0]
(Global Menu) is set to

[dUPL].

If

Default

[``US]

&

[``°F]

[```0]…[``25]…[9999]

[`dFL]

[`C_F]

[Pb2A]

[Pb2A]

[Pb2A]

(Calibration Menu)

(Global Menu)

&

[`r†d]

[``)0]…[``25]…[99(9]

Input 1 or 2

[Pb2A]

[Pb2A]

[Pb2A]

(Input Menu)

[``US]

&

[``°C]

[```0]

[``14]…[9999]

[`dFL]

[`C_F]

[Pb2A]

[Pb2A]

[Pb2A]

(Calibration Menu)

(Global Menu)

&

[`r†d]

[``)0]…[``14]…[99(9]

Input 1 or 2

[Pb2A]

[Pb2A]

[Pb2A]

(Input Menu)

[``SI]

[``)0]…[``#0]…[99(9] % of span

[`dFL]

[Pb2A]

[Pb2A]

[Pb2A]

(Calibration Menu)

[Ct1A]
[Ct1b]

[Pb2A]
[Pb2B]

˜

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