Watlow Series SD Limit - Manual (Page 22)

Wa t l o w S e r i e s S D L i m i t
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2 0
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C h a p t e r 3 K e y s a n d D i s p l a y s
Operations Page Overview
The Operations Page contains parameters accessed
during normal day-to-day operation. The Series SD
provides a patented user-definable menu system, al-
lowing the user to customize the Operations Page con-
tents. To go to the Operations Page, press the Advance
Key ‰ once from the Home Page.
• Press the Advance Key ‰ to move through the pa-
rameter prompts. At the end of the operations pa-
rameters, press the Advance Key ‰ to return to
the Home Page.
• Press the Up > or Down < keys to change the pa-
rameter value.
• Press the RESET Key at any time to return to the
Home Page.
Operations Page
(defaults)
Note: Hardware configuration and programming selections deter-
mine what parameters appear on the Operations Page.
[L1;Lo] Limit 1 Low Set Point
[L1;HI] Limit 1 High Set Point
[L2;Lo] Limit 2 Low Set Point
[L2;Hi] Limit 2 High Set Point
[A2;Lo] Alarm 2 Low Set Point
[A2;Hi] Alarm 2 High Set Point
[L3;Lo] Limit 3 Low Set Point
[L3;Hi] Limit 3 High Set Point
[A3;Lo] Alarm 3 Low Set Point
[A3;Hi] Alarm 3 High Set Point ‰
Home Page Overview
The Home Page is the default display of the Series SD
limit controller. When the limit is powered up or you
exit any other page, the Home Page appears. The pa-
rameters that appear in the Home Page are deter-
mined by the Display Look settings in the Setup Page
(see Chapter 5). The process value is the default for the
upper display and the High Limit Set Point is the de-
fault for the lower display. Press the RESET key to exit
any other page and return to the Home Page display.
The Home Page also displays operational status infor-
mation such as error messages, limit status and alarm
status.
Normal Operation (Default Displays)
Operating in Safe Condition.
Limit Tripped Operation
Operating in Limit Condition
Error condition
Alarm Message
Adjusting the limit set point value
Adjust the limit set point in the Operations Page. Limit
set points only appear if they are active and they have
been selected to appear due to settings in the Program-
mable Page.
To adjust the limit set point:
1.
Be sure the display is at the Home Page. If you are
in any other page, press the RESET Key.
2. Press the Advance Key ‰ to step into the Opera-
tions Page.
3. Continue pressing the Advance Key ‰ until the de-
sired limit set point parameter appears in the lower
display. The limit value appears in the upper dis-
play.
4. Press the UP Key ¿ to increase the value or the
DOWN Key ¯ to decrease the value.
5. Press the Advance Key ‰ to step to other limit set
point parameters and repeat steps 3 and 4. Press
the RESET Key to return to the Home Page
Note: The [`lOC] parameter can lock the ability to adjust/view the
settings in the Operation Page. If you are have trouble adjusting
the limit set points, check the
[`lOC] setting in the Setup Page.
[``75] [``75] Process value
[``75] [A1;Lo} Alarm message alternates in lower display.
The corresponding output indicator light is on.
[----] [----] [----] Dashed lines
[Er;In] [L!hi] [A2;hi] Error message Error message
alternates with limit and/or alarm messages in lower display
[``75] [``75] Process Value
[``75] [L!hi]
Limit message alternates with high limit set point in lower display.
Output 1 indicator light is on.
[``75] Process Value
[``75] Limit high set point (Use Up > or Down < keys to
raise or lower the high limit set point.)