User Manual

5.12 WATLOW Series 998 User’s Manual
Operation Menus, Chapter 5
Operation-PID A
Cycle Time, Output 1A or 2A
Select the time, in seconds, of a complete on/off cycle.
[Ct1A] This prompt does not appear if the output is a process output or
[Pb1A] is not set higher than [```0].
If Default
↓↓
mechanical [``%0] … [`1)0] … [99(9] min.
relay [Ct1A] [Ct1A] [Ct1A]
outputs
open collector
[brSt] … [``!0] … [99(9] min.
or solid-state [Ct1A] [Ct1A] [Ct1A]
relay outputs
Dead Band A
Select the width of the zone between the action of the channel A
heating output and 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 [Pb1A] and [Pb2A] are set higher than
[```0] and one channel A 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]
[Ct1A]
[Ct2A]
[db`A]