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
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