User Guide
|
Intelligent Purging System (IPS 8) for Ammonia - Technical data, installation and use
24 | BC306932151284en-000201
© Danfoss | DCS (ms) | 2020.01
Register Parameter Name
Description
User
Level
Min Value
Max Value
Default
Value
Unit/
Type
Read/
Write
Modbus
Function
Code
Modbus
Data Type
Persistent
Yes/No
8154
Val6
This indicates if the
purge point is active
0
-32768
32767
0
N/A
Read
only
3
Short
No
8155
Val7
This indicates if the
purge point is active
0
-32768
32767
0
N/A
Read
only
3
Short
No
8156
Val8
This indicates if the
purge point is active
0
-32768
32767
0
N/A
Read
only
3
Short
No
8157
RangedVal
This indicates if the
ICFD valve is active
0
-32768
32767
0
N/A
Read
only
3
Short
No
8158
TempStatus
The measured
temperature on the
discharge line of
compressor
0
-32768
32767
0
°C
Read
only
3
Short
No
8159
BPLStatus
The pressure on R452
0
-32768
32767
0
bar
Read
only
3
Short
No
8160
BPHStatus
The pressure on R717
0
-2147483648
2147483647
0
bar
Read
only
3
Short
No
8161
DisTemp
The measured
temperature on the
purge valve
0
-32768
32767
0
°C
Read
only
3
Short
No
8162
SuctionTemp
The measured
temperature on the
suction line
0
-2147483648
2147483647
0
°C
Read
only
3
Short
No
8163
TshValveStatus
The measured value of
the superheat
0
-32768
32767
0
°C
Read
only
3
Short
No
8164
TshCalculate
The calculated value
of the superheat from
the refrigerant type
0
-2147483648
2147483647
0
K
Read
only
3
Long
No
ALARMS
1901 .08
General alarm
Input from AI3. Leads
to shut down of IPS 8
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .09
Temp Sensor Fault
Indicates no signal
from temperature
R452A sensor
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .10
BPL Sensor Fault
Indicates no signal
from pressure sensor
(R452a)
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .11
BPH Sensor Fault
Indicates no signal
from pressure sensor
(R717)
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .12
Low temperature
Indicates too low
ambient temperature
(<-10 °C)
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .13
Hi temperature
Indicates too high
ambient temperature
(>120 °C)
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .14
Low pressure BPL
Indicates too low
R452a pressure
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .15
Hi pressure BPL
Indicates too high
R452a pressure
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .00
Low pressure BPH
Indicates too low R717
pressure
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .01
Hi pressure BPH
Indicates too high
R717 pressure
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .02
System is OFF
Indicates status o the
main switch
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .03
Memory is full
A memory reset is
required
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .04
Totla purge time error
This occurs when PLT
is activated. System
will automatically
restart when CST has
expired
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .05
Compressor EROR
Indicates no status is
being received from
KL01
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .06
Liquid alarm
Signal from the LLS
that there is liquid in
the evaporator
0
0
1
0
AUTO R.
Read
only
3
Long
No
1901 .07
Memory wrong!
Wrong counter
values. The unit will
automatically repair
itself
0
0
1
0
AUTO R.
Read
only
3
Long
No
