User Manual
WATLOW Series 998 User’s Manual 4.25
Setup Menus, Chapter 4
Setup-Output
Hysteresis 3
Select the switching hysteresis for alarm 3. This determines the change
in temperature or process units needed to turn the output from full off to
full on.
• If the input referenced by [`AL3] is set to [`r†d] the range is affected as
listed below.
[HYS3] This prompt appears only on controllers equipped with output 3
hardware (not 99__-____-A___) and with [`Ot3] (Output Menu) set to
[`AL3] or [AL3n].
If Default
↓↓
[``°F] [```1] … [```3] … [`999]
[`C_F] [HYS3] [HYS3] [HYS3]
(Global Menu)
[``°F]
&
[`r†d] [``)1] … [[``#0] … [`9(9]
[`C_F] [`In1] [HYS3] [HYS3] [HYS3]
(Global Menu) (Input Menu)
[``°C] [```1] … [[```2] … [`555]
[`C_F] [HYS3] [HYS3] [HYS3]
(Global Menu)
[``°C]
&
[`r†d] [``)1] … [[``@0] … [`5%5]
[`C_F] [`In1] [HYS3] [HYS3] [HYS3]
(Global Menu) (Input Menu)
[```1] … [```3] … [`999]
units
a process input
[HYS3] [HYS3] [HYS3]
is selected
[HYS3]
NOTE:
See Chapter 7 for
more information
on alarms.










