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Table of Contents
User Guide
Interface
EKC 366
Application
© Danfoss | DCS (ADAP-KOOL®) |2015-11
Here the controller has been specially
designed for the following functions:
Maintenance of a constant
evaporating pressure
A temperature sensor in the valve's actuator will
regulate its temperature. This temperature is
an indication of the pressure in the valve, and
the interface module will keep this temperature
constant.
The media temperature is regulated
by a PLC or similar device
Here the interface module receives a variable
signal from the PLC and will subsequently
regulate the valve, so that the refrigeration will
be as accurate as possible.
The controller is used for regulating a valve in
a refrigerating system - for example in
connection with:
• Long-term storage of fruits and vegetables
• Refrigerating plant
• Brewery systems
• Processing plant
PLC
DKRCI.PS.RP0.C1.02 | 1
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Summary of Contents for Danfoss EKC 366
- Page 1 PLC or similar device Here the interface module receives a variable signal from the PLC and will subsequently regulate the valve, so that the refrigeration will be as accurate as possible. © Danfoss | DCS (ADAP-KOOL®) |2015-11 DKRCI.PS.RP0.C1.02 | 1...
- Page 2 User Guide | Interface, EKC 366 System The controller must always be used in conjunction with a pilot valve of the types shown here. The most commonly used one is pilot valve CVQ in conjunction with main valve PM3 (sketched out above).
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Page 3: Survey Of Functions
User Guide | Interface, EKC 366 Survey of functions Function Para- Parameter by operation via data meter communication Temperature regulation Actuator temperature Display of valve temperature Actuator temp. The display constantly shows the valve's temperature. The display is filtered over a period of approx. 10 seconds Valve’s basic temperature reference... -
Page 4: Operation
User Guide | Interface, EKC 366 Operation Menu survey SW =1.2x Display Para- Function Min. Max. The values will be shown with three digits, and with a setting you meter can determine whether they are to be shown in °C or in °F. - Page 5 User Guide | Interface, EKC 366 Valve’s working temperature Without external signal With external signal The working temperature must be set on the basis of one If the valve is to be operated with an external signal, two set- of the following curves. Find the actuator temperature cor- tings have to be made.
- Page 6 User Guide | Interface, EKC 366 Data 24 V a.c. +/-15% 50/60 Hz, 80 VA Supply voltage (the supply voltage is galvanically separated from the input and output signals) Controller 5 VA Power consumption Valve 75 VA 4-20 mA, 0-20 mA, 0-10V d.c. or Input signal 2-10 V d.c.
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Page 7: Data Communication
User Guide | Interface, EKC 366 Data communication This page contains a description of a few of the possibilities you If you want to know more about operation of controllers via PC, will have when the controller is provided with data communi- you may order additional literature. - Page 8 User Guide | Interface, EKC 366 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.
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