Glossary entry (derived from question below)
English term or phrase:
pump control
English answer:
ultrasonic sensors can be used as high/low limit controls for pump control
Added to glossary by
airmailrpl
Oct 12, 2003 17:17
20 yrs ago
English term
Italy
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pump control
English
Tech/Engineering
this seemingly easy phrase appears in a datasheet on ultrasonic sensors - is it possible that is has nothing to do with a pump? (it wouldn't make sense!)
"high/low limit control (pump control)"
thanks
"high/low limit control (pump control)"
thanks
Responses
+1
56 mins
airmailrpl
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Selected
ultrasonic sensors can be used as high/low limit controls for pump control
ultrasonic sensors can be used as high/low limit controls for pump control
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Note added at 4 hrs 19 mins (2003-10-12 21:37:30 GMT)
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PSL Pump Station Level Controller
Ideal for pump stations, wet wells and tank level control with a non-contacting ultrasonic sensor mounted above the liquid. The new Greyline PSL Level Controller has 6 independently programmable control relays for pump or valve control, level alarms, dialers, temperature alarm and echo-loss alarm.
http://www.greyline.com/psl.htm
Banner-q45ur
... Protection rating. IP67; NEMA 6P (controllers) IP65; NEMA 4 (sensor). Operation temperature. -25º to +70ºC. ... Windowing. yes. High/low limit control, ULTRASONIC ...
www.aumeco-srl.com.ar/Secondlinks/banner-q45ur.htm
[PDF]Specifier’s Guide
... Sensors Ultrasonic Sensors Ultrasonic Sensors Proximity ... IP65; NEMA 4 (sensor) Operating temperature ... mode programming Windowing High/low limit control T 3 0 ...
www.chiptech.com/secondary/manu-prod_pdf/ B/Banner%20Engineering.pdf
--------------------------------------------------
Note added at 4 hrs 19 mins (2003-10-12 21:37:30 GMT)
--------------------------------------------------
PSL Pump Station Level Controller
Ideal for pump stations, wet wells and tank level control with a non-contacting ultrasonic sensor mounted above the liquid. The new Greyline PSL Level Controller has 6 independently programmable control relays for pump or valve control, level alarms, dialers, temperature alarm and echo-loss alarm.
http://www.greyline.com/psl.htm
Banner-q45ur
... Protection rating. IP67; NEMA 6P (controllers) IP65; NEMA 4 (sensor). Operation temperature. -25º to +70ºC. ... Windowing. yes. High/low limit control, ULTRASONIC ...
www.aumeco-srl.com.ar/Secondlinks/banner-q45ur.htm
[PDF]Specifier’s Guide
... Sensors Ultrasonic Sensors Ultrasonic Sensors Proximity ... IP65; NEMA 4 (sensor) Operating temperature ... mode programming Windowing High/low limit control T 3 0 ...
www.chiptech.com/secondary/manu-prod_pdf/ B/Banner%20Engineering.pdf
4 KudoZ points awarded for this answer.
Comment: "OK you convinced me, thanks (thanks everybody!)"
45 mins
David Knowles
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612
It probably does make sense!
See ref. below (among others) where ultrasonic sensors are used for pump control.
Reference:
53 mins
Iftekhar Hassan
United States
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SONARANGE SENTRY
Fill pump motor
Frain pump motor
See possible link and drawing to your project:
LEVEL GUARD SENTRY for pump control
Hope this help
Frain pump motor
See possible link and drawing to your project:
LEVEL GUARD SENTRY for pump control
Hope this help
+2
1 hr
COMMENT
Again, I basically agree of course with the previous answerers, but thought a little extra explanation might be helpful.
MAYBE there is a pump somewhere in the rest of the system you're working on.
An ultrasonic detector certainly might be used to detect the level of a fluid, and thereby used to control a pump that affects this level: for example, pumping OUT a flooded cellar when the level gets too HIGH; or pumping IN a product when the reservoir level gets too low. So obviously 2 detector positions are needed: 'High' and 'Low', one of which will turn the pump 'on', and the other, 'off' again.
Is there anything there that might help you to relate this idea to the system you're working on?
MAYBE there is a pump somewhere in the rest of the system you're working on.
An ultrasonic detector certainly might be used to detect the level of a fluid, and thereby used to control a pump that affects this level: for example, pumping OUT a flooded cellar when the level gets too HIGH; or pumping IN a product when the reservoir level gets too low. So obviously 2 detector positions are needed: 'High' and 'Low', one of which will turn the pump 'on', and the other, 'off' again.
Is there anything there that might help you to relate this idea to the system you're working on?
Peer comment(s):
| agree |
Klaus Herrmann
: I think level is the key word.
27 mins
|
|
Thanks, Klaus!
|
|
| agree |
Matthew Fagan
18 hrs
|
|
Thanks, Matthew!
|
+1
15 hrs
Rahi Moosavi
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Safety Limit Controls
Safety limit controls are used for pumps as a mechanisim for both protecting the pump from running dry or running with capacities more than factory rated.
In both cases, pump may undergo severe damage therefore limit controls in forms of sensors or swicthes are used to limit the volumetric flow on the pump. If the flow entering the pump fall out of a certain limit, the sensors or controls will take care of safegaurding the pump and preventing irreversible damages.
In both cases, pump may undergo severe damage therefore limit controls in forms of sensors or swicthes are used to limit the volumetric flow on the pump. If the flow entering the pump fall out of a certain limit, the sensors or controls will take care of safegaurding the pump and preventing irreversible damages.
Discussion
- output
- sensing range
- analogue resolution
- adjustments
- dimensions
- housing material
- protection rating
- operating temperature
- power supply
- high/low limit control (pump control)
so in this context it seemed a little strange to me....