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