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A3sd] [hys3, Setup-output, Alarm 3 side – Watlow Series 988 User Manual

Page 54: Hysteresis 3

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4.26

WATLOW Series 988 User’s Manual

Setup Menus, Chapter 4

Setup-Output

Alarm 3 Side

Select what triggers alarm 3.

[both] triggers an alarm when the signal

≤ [A3LO] or ≥ [A3HI].

[HiGH] triggers an alarm when the signal

≥ [A3HI].

[LOW] triggers an alarm when the signal

≤ [A3LO].

[A3Sd] This prompt appears only on controllers equipped with output 3
hardware for a relay (98_ _-_ _ _ _-B_ _ _, 98_ _-_ _ _ _-J_ _ _ or
98_ _-_ _ _ _-K_ _ _) or switched dc (98_ _-_ _ _ _-C_ _ _) and with

[`Ot3]

set to

[`AL3] or [AL3n].

Default

[both]

[HiGH]

[LOW]

[A3Sd]

[A3Sd]

[A3Sd]

Hysteresis 3

Select the switching hysteresis for alarm 3. This determines the change
in temperature or process units needed to turn the output from off to on.

• If

[`AL3] is set to [rAtE] settings for [HYS3] will be in degrees per

minute or units per minute.

• 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 for a relay (98_ _-_ _ _ _-B_ _ _, 98_ _-_ _ _ _-J_ _ _ or

98_ _-_ _ _ _-K_ _ _) or switched dc (98_ _-_ _ _ _-C_ _ _).

If

Default

[``°F]

[```1] … [```3] … [`999]

[`C_F]

[HYS3]

[HYS3]

[HYS3]

(Global Menu)

[``°F]

&

[`r†d]

[``)1] … [``#0] … [`9(9]

[`C_F]

Input 1 or 2

[HYS3]

[HYS3]

[HYS3]

(Global Menu)

(see note above)

[``°C]

[```1] … [```2] … [`555]

[`C_F]

[HYS3]

[HYS3]

[HYS3]

(Global Menu)

[``°C]

&

[`r†d]

[``)1] … [``@0] … [`5%5]

[`C_F]

Input 1 or 2

[HYS3]

[HYS3]

[HYS3]

(Global Menu)

(see note above)

[```1] … [```3] … [`999]

units

a process input

[HYS3]

[HYS3]

[HYS3]

is selected

˜

NOTE:
See Chapter 7 for
more information
on alarms.

[A3Sd]

[HYS3]