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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-_ _ _ _-_ _ _ _).
C5.wc 5/14/1999 8:51 AM Page 5.16