EKC
319A
Manual RS8EB102 © Danfoss 09-2005
5
Operation
Menu survey
Light-emitting diodes (LED) on front panel
There are LED’s on the front panel which will light up when the
corresponding relay is activated.
The upper LED will indicate the valve’s opening degree. A short
pulse indicates a slow liquid flow and a long pulse a fast liquid
flow.
The three lowest LED’s will flash, if there is an error in the regula-
tion.
In this situation you can upload the error code on the display and
cancel the alarm by giving the uppermost button a brief push.
Display
The values will be shown with three digits, and
after an opera-
tion the controller will return to its standard mode and show the
measured discharge temperature.
The buttons
When you want to change a setting, the two buttons will give you
a higher or lower value depending on the button you are push-
ing. But before you change the value, you must have access to the
menu. You obtain this by pushing the upper button for a couple
of seconds - you will then enter the column with parameter codes.
Find the parameter code you want to change and push the two
buttons simultaneously. When you have changed the value, save
the new value by once more pushing the two buttons simultane-
ously.
Gives access to the menu (or cutout an alarm)
Gives access to changes
Saves a change
Examples of operations
Set reference
1. Push the two buttons simultaneously
2. Push one of the buttons and select the new value
3. Push both buttons again to conclude the setting
Set one of the other menus
1. Push the upper button until a parameter is shown
2. Push one of the buttons and find the parameter you want to
change
3. Push both buttons simultaneously until the parameter value is
shown
4. Push one of the buttons and select the new value
5. Push both buttons again to conclude the setting
SW = 1.1x
Function
Para-
meter
Min.
Max.
Fac.
setting
Normal display
Read the measured discharge gas temperature -
°C
If you wish to see the actual opening degree,
give the lower button a brief push
-
%
If you wish to set the temperature reference
you obtain access by pushing both buttons
simultaneously
-
-70°C
160°C
125
Display / Control
Select unit (0=°C, 1=°F)
r05
0
1
0
Start / stop of regulation
r12
OFF
ON/on on
Alarm
Alarm limit
A16
-50°C
150°C
135
Time delay for alarm
A17
0 s
999 s
0
Function of the alarm relay when the tempera-
ture exceed the alarm limit
0: Alarm relay active
1: Alarm relay not active
A19
0
1
1
Regulating parameters
Proportionale factor Kp
n04
0,5
30
15
I: Integration time Tn
n05
60 s
600 s /
Off
120
Periode time
n13
3 s
10 s
3
Miscellaneous
Controller's address
o03*
0
119
-
ON/OFF switch (service-pin message)
o04*
OFF
ON
-
Set supply voltage frequency
o12
0/50
Hz
1/60
Hz
50
Select the showing of the "normal display":
0: Discharge gas temperature is shown
1: Valve’s opening degree is shown
o17
0
1
0
Manual control of outputs:
OFF: No manual control
1: Valve output put in pos. ON
2: Alarm relay activated (cut out)
o18
OFF
2
off
Service
Read discharge gas temperature
u01
°C
Read temperature reference
u02
°C
Read status of input DI
u10
Read valve’s opening degree
u24
%
Error messages
The controller can give the following messages:
E1
Error message
Errors in the controller
E17
The temperature sensor is disconnected
E18
The temperature sensor is shortcircuited
A3
Alarm message
Alarm temperature limit is reached
*) This setting will only be possible if a data communication module has been
installed in the controller.
Factory setting
If you need to return to the factory-set values, it can be done in this way:
- Cut out the supply voltage to the controller
- Keep both buttons depressed at the same time as you recon nect the supply voltage
