SKU: 7411289699

dda 7 5 16 fcm c pvc e c f 32u2u2fg 93243739

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Description

dda 7 5 16 fcm c pvc e c f 32u2u2fg 93243739The SMART Digital DDA C is a compact positive displacement diaphragm dosing pump with variable speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high viscosity or degassing liquids. Depending on the set capacity, the duration of the discharge stroke varies, ensuring an optimal, uniform

The SMART Digital DDA-C is a compact positive-displacement diaphragm dosing pump with variable-speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high-viscosity or degassing liquids. Depending on the set capacity, the duration of the discharge stroke varies, ensuring an optimal, uniform and continuous discharge flow. The click-stop mounting plate allows installation in three different positions without using any additional accessories. The control cube can be easily turned to the front, left or right position. The click wheel and the multi-coloured backlit graphic plain-text LC display enable intuitive commissioning and operation. The control elements are protected by a transparent cover. The DDA-C has built-in connectivity that allows easy setup and tracking via the Grundfos GO app as well as easy integration into a Modbus RTU or TCP bus system. The sensor-based FlowControlMeasurement (FCM) system detects malfunctions such as air bubbles, line breaks or overpressure directly in the dosing head and displays them in plain text in the alarm menu. FCM measures the actual pressure and flow rate and eliminates the need for additional monitoring and control devices (accuracy of ± 1.5 % of the set value in a trouble-free process). The measured pressure and flow are displayed and can be integrated into the process control system, e.g. SCADA. In addition, the AutoFlowAdapt function automatically adjusts the pump speed to the process conditions to maintain the target flow even with fluctuating back pressure or air bubble formation (degassing drive strategy). The dosing head includes the following parts:

  • A durable and chemically resistant full PTFE diaphragm,
  • Double ball valves for maximum dosing accuracy,
  • A deaeration valve for easy start-up,
  • A pressure sensor.

Operation modes and functions:

  • Manual dosing in ml/h, I/h or gph.
  • Pulse control in ml/pulse (incl. memory function).
  • Analog control, 0/4-20 mA (scalable).
  • Pulse-based batch function in ml, l or gal.
  • Timer-based batch function (dosing timer cycle or week).
  • Fieldbus control (integrated Modbus RTU and TCP; Profibus DP, Profinet and Ethernet IP via CIM/CIU models).
  • Cloud control and monitoring (Smart Digital Chempairing Suite; Grundfos Connect).

Other features:

  • The sensor-based FlowControlMeasurement (FCM) system detects malfunctions such as air bubbles, line breaks or overpressure directly in the dosing head.
  • Measurement of actual pressure and flow.
  • AutoFlowAdapt automatically adjusts the pump speed to the process conditions (what you set is what you get).
  • Degassing drive strategy in case of air bubbles detected in the dosing head and Auto Deaeration during pump standby avoids stand-still due to air-locking.
  • ConditionCheck analyses the pump and the system where the pump is installed.
  • Two SlowMode steps (anti-cavitation), 50 % and 25 % maximum flow, e.g. for high-viscosity or degassing liquids.
  • Max. Capacity to limit the capacity of the pump to a set maximum.
  • Service information display to show when service and which wear-part order numbers are required.
  • Two-step key lock function to protect the pump against unauthorised access.
  • Multi-parameter dashboard function to provide further information on up to 4 parameters.
  • Counter for total dosed volume (resettable), operating hours, etc.
  • Save, copy and load customised settings as well as reload factory settings.

Signal inputs/outputs:

  • Input for pulse, analog 0/4-20mA, external stop.
  • Input for low-level and empty-tank signal.
  • Two potential-free output relays for max. 30 V AC/DC (configurable, e.g. alarm, stroke signal, pump dosing, timer etc.)
  • Output analog 0/4-20mA.
  • Fieldbus control (Integrated Modbus RTU and TCP; Profibus DP, Profinet and Ethernet IP via CIM/CIU models).
  • Cloud control and monitoring (Smart Digital Chempairing Suite; Grundfos Connect).

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SKU: 7411289699

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Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 4
This book is great to share with friends and an excellent conversation starter ...
Format: Paperback
A quick but thoughtful read. This book is great to share with friends and an excellent conversation starter without being exactly political, in the negative sense of the word. Inspires constructive conversation regardless of your background.
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Reviewed in the United States on February 18, 2017
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CG
New York, US
★★★★★ 5
Best book on the subject
Format: Paperback
Short yet concise argument for ending wars.
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Reviewed in the United States on August 31, 2022
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harel charnis
Waukegan, US
★★★★★ 5
A must learn
Format: Paperback
Too important to be forgitten
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Reviewed in the United States on July 14, 2019
J
John Matlock
New York, US
★★★★★ 5
It's How Wars End That Become Important Afterward
Format: Paperback
The twentiety century taught us a lot about wars and how they end. World War I showed us that making strong demands on the defeated (who didn't admit defeat to their own people) set the stage for the next big war. World War II was fought until the Unconditional Surrender of the Germans and Japanese. Something that thinkers still debate as having made them fight all that harder. VietNam was fought with no clear end in sight, and "another VietNam" entered our language. The first Gulf War was ended when Colin Powell and Bush II debated how to end the war. They stopped before they had to go in and see what the Sunni's, Shiite's and Kurds made of the power vacuum left by the removal of Saddam would have created. Bush II is learning about this now. This is the second revised edition of this book, originally published in 1971 and then updated in 1991 and now 2005 to reflect happenings in new wars. Still some of the old wars had interesting insights that I didn't know before, such as how Finland, originally on Germany's side against Russia, made a peace with Russia and kicked the Germans out before they became a Russian province. Great Book.
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Reviewed in the United States on April 6, 2005
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César González Rouco
Lowell, US
★★★★★ 3
Complementary readings
Format: Paperback
There are already three good reviews so I will only suggest reading the following books instead of, or in addition to, this peculiar work: a) "War in human civilization" by Azar Gat; b) "War before Civilization. The Myth of the Peaceful Savage", by Lawrence Keeley; c) "How War Began" by Keith F. Otterbein; d) "War and Peace and War: The Rise and Fall of Empires" by Peter Turchin; and e) "War and the Law of Nations: A General History" by Stephen Neff.
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Reviewed in the United States on August 8, 2009

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