User Guide | Intelligent Purging System (IPS 8) for Ammonia - Technical data, installation and use
© Danfoss | DCS (ms) | 2021.03
BC344024774466en-000201 | 21
Configuring using the LCD
By pressing the main menu will show up with the options below
Label ID Parameter name Description and selection options MIN MAX VALUE/TYPE UNIT RW Modbus
address
PARAMETERS & STATUS
VARIABLES
StU General > Setup
y01 Main switch Enable IPS Purger
0:OFF
1: ON
0 1 0 - OFF RW 3001
y02 Activate Multipurger Activate IPS to purge multi points
0:NO
1: YES
0 1 1 - YES RW 3002
y07 Restore default parameters 0: NO
1: YES, restore default parameters
0 1 0 - NO RW 3003
SEr General > Serial settings
SEr Serial address (Modbus and
CAN)
TThe rate at which information is trans-
ferred in the RS485 communication channel
1 100 1 RW 3007
bAU Serial baudrate (Modbus) 0: 0
1: 12
2: 24
3: 48
4: 96
5: 144
6: 192
7: 288
8: 384
0 8 6 - 192 RW 3008
COM Serial settings (Modbus) 0: 8N1
1: 8E1
2: 8N2
0 2 1 - 8E1 RW 3009
CMP Unit config > Compressor
CM3 PDT Pull down time of compressor 1 0 45 min RW 3014
CM4 CST Delay between purge cycles (single purge) 180 2000 1440 min RW 3015
VA5 PLT Alarm for endless purging 4 768 24 h RW 3016
VAL Unit config > Valve settings
V10 Max_PP Used amount of purge points - part of initial
setup
0 8 8 RW 3024
LIM Unit config > Limits settings
CM1 Setpoint Pressure threshhold for compressor 5 12 6.5 bar RW 3052
F10 Setpoint Pressure threshhold for compressor 70 174 94.0 Psi RW 3053
UNI Service > Unit
UN1 Unit sensor Select metric or imperial units(US)
0: Metric
1: Imperial
0 1 0 - Metric RW 3056
LOG Status var > MCX Design Hotspots
C01 Reset Alarms Reset alarm 0 2 0 RW 1859
V02 SystemOnOff Feedback from the main switch -32768 32767 0 Read 8101
V03 ValveStatus Feedback from the purge valve - open/
closed
-32768 32767 0 Read 8102
V04 CompressorStatus Feedback from the compressor - on/off -32768 32767 0 RW 8103
V05 ALARActive Any alarm active indicator -32768 32767 0 Read 8104
V06 PressTotemp Suction temperature (calculated from
pressure on suction)
-327,7 327,7 0.0 Read 8105
V07 ValveCount The amount of purge valve activations -2147483648 2147483647 0 Read 8107
V08 ComprTime Remaining time for compressor pull-down
for the actual purge pointr cycle
-2147483648 2147483647 0 Read 8109
V09 COmprStartAfter The delay between the purging cycles -2147483648 2147483647 0 Read 8111
V10 ResetMem Recommend default setting only - All
logged values are reset
0: NO
1: YES
0 1 0 RW 9901
V12 StatusKL Status of KL01 relay (compressor and crank-
case heater)
-32768 32767 0 Read 8115
V13 WaringCompr Indicates problem with compressor status -32768 32767 0 Read 8116
V14 ValveSetpoint Temperature threshhold for the opening of
the main purge valve
-2147483648 2147483647 0 Read 8117
V15 ValveClose Temperature threshhold for the closing of
the main purge valve
-2147483648 2147483647 0 Read 8119
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