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PDF EKC347 Data sheet ( Hoja de datos )
| Número de pieza | EKC347 | |
| Descripción | Liquid Level Controller | |
| Fabricantes | Danfoss | |
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Hay una vista previa y un enlace de descarga de EKC347 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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REFRIGERATION AND
AIR CONDITIONING
EKC 347
Liquid Level Controller
Manual
1 page  
Manual
EKC 347 Liquid Level Controller
Operating the EKC 347
To view or change liquid level set point:
To enter change mode
Press both buttons
simultaneously
To raise the setpoint
Press the upper button
To lower the setpoint
Press the lower button
To save the change
Press both buttons
simultaneously
To change a parameter setting:
To access parameter menu
Press the upper button for 5
seconds, then
Use the upper and lower
buttons to scroll through the
parameter list
To enter change mode
for a parameter you have
scrolled to
Press the both buttons
simultaneously
To increase the setting
Press the upper button
To decrease the setting
Press the lower button
To save the new setting and
return to the parameter menu
Press both buttons
simultaneously. You can then
make other parameter changes
or,
The EKC 347 will exit the
parameter menu and return
to its normal display when no
buttons have been pressed for
approximately 18-20 seconds.
To reset to factory default values:
1) Remove the supply voltage to the EKC 347
2) While pressing both buttons simultaneously, restore power. Factory settings will have been restored.
5
USCO.PS.G00.A1.22 / 521U0079
© Danfoss A/S (USCO/HMR_MKS), 10 - 2007
5 Page 
Manual
EKC 347 Liquid Level Controller
Service Parameters for troubleshooting
Description of parameter to view
Liquid level (actual)
Liquid level setpoint, including analog input offset (parameter r06)
Analog input signal current (terminals 19 & 21). Used for offsetting the liquid level setpoint.
Analog input signal voltage (terminals 20 & 21). Used for offsetting the liquid level setpoint.
Analog output signal current terminals (2 & 5)
Digital input status. Combination of parameter r12 and terminals 1 &2.
Valve opening degree
Level sensor signal current (terminals 15 & 16)
Level sensor signal voltage (terminals 14 & 16)
Valve position current feedback signal from ICM/ICAD (4-20 mA)
Valve position feedback signal from ICM/ICAD converted to %
Parameter
u01
u02
u06
u07
u08
u10
u24
u30
u31
u32
u33
Units
%
%
mA
V
mA
ON-OFF
%
mA
v
mA
%
Technical Data
The supply voltage is galvanically isolated from the input and output
signals, but the input and output signals are not galvanically isolated
from each other.
Supply voltage:
24 V ac ± 15%, 50-60 Hz
60 VA maximum (5 VA for controller and additional 55 VA when
the controllers powers the coil for a solenoid or for an AKV/A pulse
valve).
2.13 in
(54 mm)
Input signals:
Liquid level sensor, 4-20 mA or 0-10 V
ICM/ICAD valve position feedback, 4-20 mA only
Digital input on terminals 1 & 2 for start-stop of regulation
Signal for offsetting the liquid level setpoint:
4-20 mA, 0-20 mA, 2-10 V, or 0-10 V
3 Relay Outputs:
SPST
AC-1: 4A (ohmic)
AC-15: 3A (Inductive)
Current Output (terminals 2 & 5):
0-20 mA or 4-20 mA, 500 Ω maximum load
Mounting: DIN rail
Enclosure: IP 20
Weight: 0.66 lbs (300 g)
Display: LED, 3 digits
Terminals: Maximum 2.5 mm2 multicore
Ambient temperature:
During operation: +14 to +131°F (-10 to 55°C)
During transport or storage: -40 to 158°F (-40 to 70°C)
Approvals:
EU Low Voltage Directive and EMC demands re CE-marking are
complied with.
LVD-tested according to EN 60730-1 and EN 60730-2-9
EMC tested according to EN 50081-1 and EN 50082-2
2.84 in
(72 mm)
11
USCO.PS.G00.A1.22 / 521U0079
© Danfoss A/S (USCO/HMR_MKS), 10 - 2007
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet EKC347.PDF ] | |
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