Further menus see chapters:
•
Controller Setup
•
IO Setup
•
Limits
•
Motor Setup
•
Diagnostic
|
6E
|
Sensor for Setpoint
|
7E
|
Measurement
9.3 Pressure control for condensers refrigeration
3.01
...
3.04
9.3.1
Base setup
3.01
...
3.04
Base setup
Base setup
Mode
Mode
Mode selection e.g.
3.01
E1 Analog In
E1 Analog In
For all Modes in Group 3 (
3.01
,
3.02
,
3.03
, ...)
“
E1 Analog In
”
factory setting to
“
MBG-30I
”
.
(measuring range 0..30 bar) proportional output 4 - 20 mA
Selection sensor: MBG-30I, MBG-50I, DSF2-25
Alternative selection signal: 0 - 10 V, 4 - 20 mA, (
F
jumper for input signal)
accordingly inserted. The sensor measurement-range must be entered in
order to correctly display the actual value.
Example 0 - 10 V sensor and measuring range 0 - 20 bar:
E1 Analog In = 0 - 10 V, E1 Min. = 0.0 bar, E1 Max. = 20.0 bar, E1 Decimals =
1, E1 Unit = bar
E1 Offset
E1 Offset
Sensor calibration with calibrated comparison device
E1 Refrigerant
E1 Refrigerant
With
3.02
and
3.04
operating modes with input of the refrigerant, the device
automatically calculates the corresponding temperature for the measured
pressure. The settings for offset, target value and the controlling range are
then carried out in
°
C or K. Calculation for relative pressure (differential
measurement of pressure relative to ambient pressure). No further settings
are necessary for pressure sensors model e.g.
“
MBG-30I
”
or
“
MBG-50I
”
(measurement range 0 - 30 bar or 0 - 50 bar). In the case of sensors with other
measurement ranges, the
“
E1 Min. value
”
and the
“
E1 Max. Value
”
. Setting in
“
bar
”
although unit display is in
“°
C
”
!
E2 Function
E2 Function
(only for special applications)
•
External setpoint = Function
|
1E
|
by external signal (0 - 10 V) instead of
“
Setpoint1
”
. 0 - 10 V
≙
0 - 100 % sensor measuring range.
•
External manual operation via external signal (0 - 10 V) = Function
|
2E
|
.
Switch over between settings on the device and external manual
operation via digital input (
F
IO Setup).
•
Measurement value = function
|
7E
|
e.g. for limit indication, display in Info
menu
“
E2 Actual
”
.
Modes
3.03
and
3.04
with two sensors
The function is automatically jointly programmed in operating modes using 2
sensors. The second analog input is thus allocated and additional function
allocations are not possible.
With
3.03
and
3.04
E2 Function at
|
4E
|
preprogrammed = comparison value
with control to higher value (two circuit condensers).
Operating Instruction
Econtrol
–
model series EXDM
Programming
L-BAL-E008-GB 0945 Index 005
Part.-No. 00156742-GB
32/85
