Watlow Controls Series 998, User Manual

Page: 85 / 126

WATLOW Series 998 User’s Manual
5.17 Operation Menus, Chapter 5
Operation-PID B
Cycle Time, Output 1B or 2B
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
[Ct1b] [Ct1b] [Ct1b]
outputs
open collector
[brSt] … [``!0] … [99(9]
min.
or solid-state [Ct1b] [Ct1b] [Ct1b]
relay outputs
Dead Band B
Select the width of the zone between the action of the channel B
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 neg-
ative value, both outputs can be energized at the same time.
• If a process input is selected the decimal precision will be determined by
the
[dEC2] setting (Input Menu).
[db`b]
This prompt appears only if
[Pb1b]
and
[Pb2b]
are set higher than
[```0] and one channel B output performs heating action and the other
performs cooling action.
If Default
↓ ↓
[``°F] [-999] … [```0] … [`999]
[`C_F] [db`b] [db`b] [db`b]
(Global Menu)
[``°C] [-555] … [```0] … [`555]
[`C_F] [db`b] [db`b] [db`b]
(Global Menu)
a process
[-999] … [```0] … [`999]
units
input is selected [db`b] [db`b] [db`b]
[Ct1b]
[Ct2b]
[db`b]