Danfoss Ammonia IPS 8 User Manual page 23

User Guide | Intelligent Purging System (IPS 8) Ammonia
Register Parameter Name
8161 DisTemp
8162 SuctionTemp
8163 TshValveStatus
8164 TshCalculate
ALARMS
1901 .08 General alarm
1901 .09 Temp Sensor Fault
1901 .10 BPL Sensor Fault
1901 .11 BPH Sensor Fault
1901 .12 Low temperature
1901 .13 Hi temperature
1901 .14 Low pressure BPL
1901 .15 Hi pressure BPL
1901 .00 Low pressure BPH
1901 .01 Hi pressure BPH
1901 .02 System is OFF
1901 .03 Memory is full
1901 .04 Totla purge time error
1901 .05 Compressor EROR
1901 .06 Liquid alarm
1901 .07 Memory wrong!
1902 .08 Discharge sensor error
1902 .09 Suction sensor error
© Danfoss | DCS (ms) | 2021.04
User
Description
Level
The measured
temperature on the 0
purge valve
The measured
temperature on the 0
suction line
The measured value of
0
the superheat
The calculated value
of the superheat from 0
the refrigerant type
Input from AI3. Leads
0
to shut down of IPS 8
Indicates no signal
from temperature 0
R452A sensor
Indicates no signal
from pressure sensor 0
(R452a)
Indicates no signal
from pressure sensor 0
(R717)
Indicates too low
ambient temperature 0
(<-10 °C)
Indicates too high
ambient temperature 0
(>120 °C)
Indicates too low
0
R452a pressure
Indicates too high
0
R452a pressure
Indicates too low R717
0
pressure
Indicates too high
0
R717 pressure
Indicates status o the
0
main switch
A memory reset is
0
required
This occurs when PLT
is activated. System
will automatically 0
restart when CST has
expired
Indicates no status is
being received from 0
KL01
Signal from the LLS
that there is liquid in 0
the evaporator
Wrong counter
values. The unit will
0
automatically repair
itself
Indicates no signal
from temperature 0
sensor
Indicates no signal
from temperature 0
sensor
Default
Min Value Max Value
Value
-32768 32767 0
-2147483648 2147483647 0
-32768 32767 0
-2147483648 2147483647 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
0 1 0
Modbus
Unit/ Read/ Modbus
Function
Type Write Data Type
Code
Read
°C 3 Short
only
Read
°C 3 Short
only
Read
°C 3 Short
only
Read
K 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
Read
AUTO R. 3 Long
only
BC344024774466en-000401 | 23
Persistent
Yes/No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No