DOTECH CX9230 Series User manual

DOTECH, INC
6F, JOONGANG ILBO B/D 778, WONSI-DONG, DANWON-GU, ANSAN-SI, GYEONGGI-
DO, KOREA
Tel: [phone] | Fax : [phone]
Homepage: www.dotech21.com | E-mail: [e-mail]
Universal Intelligent Controller
CX9230 Series
Smart Chiller Controller
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※Precautions for use
1. This Product May cause an Electric Shock in handling, please do not attempt to open it with
power turned on.
2. This Product should be installed in a place fixed securely by a rack or panel.
3. This Product can be used under the following environmental conditions.
①Indoor ②Pollution Degree 2 ③At an Altitude of 2000m or below ④Installation Category Ⅱ
4. To turn on or turn off power supply for this product, please the Circuit Breaker or Switch of a
standard product of IEC 60947-1 or IEC 60947-3 product and install it within a close distance allowing
convenient operation by user.
5. Please be understood that if this product is dismantled or modified discretionary after sales service
will not be able to be provided.
7. In order to prevent it from an noise, please maintain the high-voltage wire and power wire
separated.
8. Please avoid installing the product in a place where a strong magnetism, noise, severe vibration
and
impact exist.
9. When extending the sense wire, use a shield wire and do not extend it unnecessarily long.
6. An Output Wire to be used for this product should be Inflammable Grade FV1(V-1 grade or above),
the thickness of the wire should be AWG No.20 or above.(0.50mm 2 )
10. The sensor wire and signal wire should be away from the power and load wires using conduits
separately installed.
11. Please avoid using the product near a device generating strong high frequency noise(High-
frequency
welding machine, High-frequency sewing machine, high-frequency radiotelegraph, High capacity
SCR Controller).
12. Product’s damages other than those described in the guarantee conditions provided by the
manufacturer shall not be responsible by us
※The aforementioned precautions must be observed, and if you fail to do so, it may cause
a product’s breakdown.
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 3 -
1.Summary
1.1 Features
Controller has a precise PID control algorithm, Built in auto tuning function, Possible to connect low/high pressure sensor.
Dual sensor input processing, Built in analog output function, Language support for both Korean and English), Built in
trip/alarm data log
1.2 Applications
Air (Water) cooled chiller, Cold and hot water chiller, Mold temperature controller, Oil chiller and etc.
1.3 Product components
1.4 Installation
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 4 -
1.5 Ordering Guide
CX9230 series
CX9230-L1
CX9230-L
CX9230-M
CX9230-V
Power
24Vac, 50/60Hz
Power Consumption
Max. 600mA@ 24Vac
Digital
Input
Opto-Isolation 8P (1P Common)
Output
Relay output 4P
Relay output 8P
Analog
Input
Temp. sensor 2P, 4~20mA 2P
Output
-
-
-
4~20mA 2P
RTC (Real Time Clock)
-
O
O
O
PID Control Logic
-
-
O
O
Communication
-
-
-
MODBUS RTU /
RS485
Connection
Screw Terminal
LCD
WIDE LCD (128x64) / TACT BUTTON TYPE
Operation Temp.
Temp. -10~50℃Humidity under 90%RH
Storage Temp.
Temp. -20~60℃Humidity under 90%RH
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 5 -
1.6 Dimension
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 6 -
2. Operation and Display part
2.1 Front layout
2.2 Screen composition
2.3 Operation button and display lamp
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 7 -
2.4 Status check of input and output
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 8 -
2.5 Parameter change
If pressing menu button, screen of access code input will be displayed.
Access code is classified into 0000(FREE), 0009(USER), 0100(SERVICE) and 0119(MASTER).
Press enter button for next steps process after input access code using up/down button
Users can view and access of parameters within the scope of authority according to access code. And also, users can
change SERVICE code and MASTER CODE at CONFIG menu.
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 9 -
3.TRIP MESSAGE
3.1 TRIP MESSAGE
No.
Alarm
Remarks
1
SYSTEM FAULT
Please request a warranty to DOTECH INC.
2
CTRL.T SENSOR
In case of occurrence of error on CTRL.T SENSOR(B1)
(Disconnection / Short)
3
AUX.T SENSOR
In case of occurrence of error on AUX.T SENSOR(B2)
(Disconnection / Short)
4
DSCHG.T SENSOR
In case of occurrence of error on DSCHG.T SENSOR(B2)
(Disconnection / Short)
5
LP-PRESS. SENSOR
In case of occurrence of error on LP-PRESS.SENSOR(B4)
(Disconnection / Short)
6
HP-PRESS. SENSOR
In case of occurrence of error on HP-PRESS.SENSOR(B5)
(Disconnection / Short)
7
COMPRESSOR ALARM
In case of occurrence of alarm on ID1
8
CONDENSOR FAN
In case of occurrence of alarm on ID2
9
REVERSE PHASE
In case of occurrence of alarm on ID3
10
LOW LEVEL
In case of occurrence of alarm on ID4
11
NO FLOW DETECT
In case of occurrence of alarm on ID5
12
PUMP ALARM
In case of occurrence of alarm on ID6
13
LO-PRESS
In case of occurrence of error on LO-PRESS(B4)
(Disconnection / Short)
14
HI-PRESS
In case of occurrence of error on HI-PRESS(B5)
(Disconnection / Short)
15
FREEZE OFF
In case of occurrence of alarm on ID7
16
LO-TEMP ALARM
B1 Temp. < [ALARM: LO-TEMP ALARM]
17
HI-TEMP ALARM
B1 Temp. > [ALARM: HI-TEMP ALARM]
18
DSCHG LO-TEMP
B2 Temp. < [TRIP: DSCHG LO-TEMP]
19
DSCHG HI-TEMP
B2 Temp. > [TRIP: DSCHG HI-TEMP]
20
LP-PRESS. HI
B4 Press. > [ALARM: LP-PRESS. HI]
21
HP-PRESS.LO
B5 Press. < [ALARM: HP-PRESS.LO]
22
SENSOR CHECK
In case of exceeding of time on [MAINTENANCE: SENSOR CHECK]
23
SAFETY PARTS
In case of exceeding of time on [MAINTENANCE: SAFETY PARTS]
24
ELECTRIC PARTS
In case of exceeding of time on [MAINTENANCE:ELECTRIC PARTS]
25
COMPRESSOR PARTS
In case of exceeding of time on [MAINTENANC:COMPRESSOR PARTS]
26
REFERIGERANT
In case of exceeding of time on [MAINTENANCE:REFERIGERANT]
27
OVERHAUL
In case of exceeding of time on [MAINTENANCE:OVERHAUL]
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 10 -
3.2 STATUS MESSAGE
4.Parameter
4.1 INFO
No.
Alarm
Remarks
1
FIRST POWER ON
Initial Power Input
2
POWER ON
Power Supply
3
PARAMETER CHANGE
In case of changed a setting value
4
MACHINE START
Machine Start
5
MACHINE STOP
Machine Stop
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0001
TOTAL RUN HOUR
0 Hour
0
32000
FREE
MASTER
Total run hour of unit will be recorded.
4 0002
COMP. RUN HOUR
0 Hour
0
32000
FREE
MASTER
Run hour of compressor will be recorded.
4 0003
COMP. RUN TIMES
0 Times
0
32000
FREE
MASTER
Run times of compressor will be recorded.
4 0006
PV DISPLAY MODE
0
0
17
FREE
MASTER
0=PV
1=B1
2=B2
3=LP
4=HP
5=PV+B1
6=PV+B2
7=B1+B2
8=B2+B1
9=PV+LP
10=PV+HP
11=LP+HP
12=HP+LP
13=PV+MVC
14=PV+MV
15=PV+Y1
16=PV+Y2
17=PV+COND
4 0007
CLOCK DISPLAY
0
0
10
FREE
MASTER
0=CLOCK
1=MVC
2=MV
3=Y1
4=Y2
5=CONDEN MV
6=CLOCK+MVC
7=CLOCK+MV
8=CLOCK+Y1
9=CLOCK+Y2
10=CLOCK+CND
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 11 -
4.2 OPERATION
4.2 OPERATION (CX9230-M2 Model)
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0021
SET TEMPERATURE
12.0℃
-50.0
99.9
FREE
USER
Apply in case of {Function Control
mode }=0:Temperature
4 0022
SET PRESSURE
2.5bar
-1.0
99.9
FREE
USER
Apply in case of Function Control mode }=1:
LPress
4 0023
RUN DIFFERENCE
+2.0K
-99.9
+99.9
FREE
SERVICE
RUN DIFFERENCE should be higher than STOP
DIFFERENCE.≥{Set value} + {RUN DIFFERENCE} :ON
4 0024
STOP DIFFERENCE
-1.0K
-99.9
+99.9
FREE
SERVICE
STOP DIFFERENCE should be lower than RUN
DIFFERENCE.
≤{Set value} + {STOP DIFFERENCE} :OFF
4 0025
N1:HEAT-ON
-1.0K
-99.9
+99.9
SERVICE
SERVICE
In case of setting HEAT(Hys), Hot-gas(Hys) in
{IN/OUTN1:HEAT}
≤{Set value} + {N1:HEAT-ON} : ON
≥{Set value} + {N2:HEAT-OFF} :OFF
4 0026
N1:HEAT-OFF
0.0K
-99.9
+99.9
SERVICE
SERVICE
4 0027
N2:COOL-ON
+1.0K
-99.9
+99.9
SERVICE
SERVICE
In case of setting COOL(Hys), Coolgas(Hys)
in{IN/OUTN2:COOL}
≥{Set value} + {N2:COOL-ON} :ON
≤{Set value} + {N2:COOL-OFF} : OFF
4 0028
N2:COOL-OFF
0.0K
-99.9
+99.9
SERVICE
SERVICE
4 0029
N3:COND.CONTROL
24.0bar
-1.0
99.9
SERVICE
SERVICE
It will be displayed in case of using high
pressure sensor
High pressure≥{ N3:COND.CONTROL} :ON
High pressure≤{ N3:COND. STOP DIF} :OFF
4 0030
N3:COND.STOP DIF
-3.0K
-99.9
-0.1
SERVICE
SERVICE
Working condition for high pressure sensor
4 0031
N4:LINJ.CONTROL
95℃
0
150
SERVICE
SERVICE
Only operate when comp. is running
≥N4:LINJ.CONTROL, N4:LINJ :O≤N4:LINJ.CONTROL
+ N4:LINJ.STOP DIF,N4:LINJ : OFF
4 0032
N4:LINJ.STOP DIF
-10K
-99
-1
SERVICE
SERVICE
4 0034
Y1 MANUAL
OUTPUT
0%
0
100
FREE
SERVICE
Unuse: Y1 automatic mode , 0~100%: Y1 Output
by manual operation
4 0035
Y2 MANUAL
OUTPUT
0%
0
100
FREE
SERVICE
Unuse: Y2 automatic mode, 0~100%: Y2 Output
by manual operation
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0036
COMP1 RUN DIFF.
+2.0K
-99.9
+99.9
FREE
SERVICE
4 0037
COMP1 STOP DIFF.
-2.0K
-99.9
+99.9
FREE
SERVICE
4 0038
COMP2 RUN DIFF.
+4.0K
-99.9
+99.9
FREE
SERVICE
4 0039
COMP2 STOP DIFF.
0.0K
-99.9
+99.9
FREE
SERVICE
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 12 -
4.3 SCHEDULE
4.4 LOG
4.5 MAINTENANCE
4.6 TRIP
NO
Parameter
Run
Stop
View
Access
Description
200
SUN RUN~STOP
00:00
00:00
FREE
FREE
201
MON RUN~STOP
08:00
18:00
FREE
FREE
202
TUE RUN~STOP
08:00
18:00
FREE
FREE
203
WED RUN~STOP
08:00
18:00
FREE
FREE
204
THU RUN~STOP
08:00
18:00
FREE
FREE
205
FRI RUN~STOP
08:00
18:00
FREE
FREE
206
SAT RUN~STOP
08:00
18:00
FREE
FREE
NO
Date
Time
.Occur/Reset
Event
1
YY / MM / DD
HH : MM
(Occur)
Event #1
2
YY / MM / DD
HH : MM
(Occur)
Event #2
3
YY / MM / DD
HH : MM
(Occur)
Event #3
l
YY / MM / DD
HH : MM
(Occur)
Event #4
50
YY / MM / DD
HH : MM
(Occur)
Event #50
NO
Parameter
Default
Min.
Max.
View
Access
Description
400
SENSOR CHECK
0
32000
FREE
SERVICE
401
SAFETY PARTS
0
32000
FREE
SERVICE
402
ELECTRIC PARTS
0
32000
FREE
SERVICE
403
COMP. PARTS
0
32000
FREE
SERVICE
404
REFERIGERANT
0
32000
FREE
SERVICE
405
OVERHAUL
0
32000
FREE
SERVICE
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0101
FLOW DETECT DLY
10Sec
0
999
USER
SERVICE
Flow detection alarm will detected after
pump start and the lapse of flow detection
delay time
4 0102
FLOW DETECT TIME
3Sec
0
99
USER
SERVICE
If flow detection signal detects status of
without flow continuously, alarm will occur.
Flow detection fault, alarm will occur (Comp.
stops immediately)
4 0103
LP ALARM MODE
1
0
3
USER
SERVICE
0=Unuse:
1=Auto-Reset:
2=Checkd-Reset:
3=Forced-Reset:
4 0104
LP ALARM PRESS.
2.5bar
-1.0
99.9
USER
SERVICE
In case of setting USE in LO-PRESS. SENSOR
[1104], input the lower limit of low pressure
detection.
4 0105
LP ALARM RESET
3.5bar
-1.0
99.9
USER
SERVICE
In case of setting USE in LO-PRESS. SENSOR
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 13 -
4.7 ALARM
[1104], ], input the lower limit of low
pressure reset.
4 0106
LP ALARM DELAY
10Sec
0
999
USER
SERVICE
Input low pressure alarm delay time.
4 0107
LP ALARM TIME
3Sec
0
99
USER
SERVICE
If low pressure alarm signal detects during
low pressure alarm delay time continuously,
LP ALARM will occur. (Comp. stops
immediately)
4 0108
HP ALARM MODE
2
USER
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset:
4 0109
HP ALARM PRESS.
26.0bar
-1.0
99.9
USER
SERVICE
In case of setting USE in HI-PRESS. SENSOR
[1105], input the upper limit of high pressure
detection.
4 0110
HP ALARM RESET
24.0bar
-1.0
99.9
USER
SERVICE
In case of setting USE in HI-PRESS. SENSOR
[1105], input the upper limit of high pressure
reset.
4 0111
DSCHRG-LO ALARM
1
USER
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset:
4 0112
DSCHRG-LO TEMP.
60℃
-50
50
USER
SERVICE
If discharge gas temperature is less than
DSCHRG-LO ALARM and maintain continuous
status during low temperature alarm delay time,
DSCHRG-LO ALARM will occur.
(Comp. runs normally, but in case of setting auto
reset or Checkd-Reset in DSCHRG-LO ALARM,
Comp. stops immediately). Deviation of DSCHRG-
LO ALARM release is +5K
4 0113
DSCHRG-LO DELAY
300Sec
0
9999
USER
SERVICE
4 0114
DSCHRG-HI ALARM
1
0
3
USER
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset:
4 0115
DSCHRG-HI TEMP.
115℃
0
150
USER
SERVICE
If discharge gas temperature is higher than
DSCHRG-HI ALARM and maintain it during
discharge gas high temperature alarm delay,
DSCHRG-HI ALARM will occur. (Comp. stops
immediately)
Deviation of DSCHRG-HI ALARM is -20K.
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0121
LO-TEMP ALARM
1
0
3
FREE
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 14 -
4 0122
LO-TEMP AL.TEMP
4.0℃
-50.0
150.0
FREE
SERVICE
Temperature is less than low temperature
alarm, low temperature alarm will occur. (Comp.
stops immediately). Deviation of low temperature
alarm release is +2.0K
4 0123
LO-TEMP AL.DELAY
60 Sec
0
9999
FREE
SERVICE
Working condition for temperature sensor
4 0124
HI-TEMP ALARM
1
0
3
FREE
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset
4 0125
HI-TEMP AL.TEMP
20.0℃
-50.0
150.0
FREE
SERVICE
Temperature is less than high temperature
alarm, outlet high temperature alarm will
occur. Deviation of high temp. alarm release
is -2.0K
If high temp. alarm mode is auto-reset,
comp. will not stop.
In case of checkd reset or forced reset,
comp. will stop immediately.
4 0126
HI-TEMP AL.DELAY
60 Sec
0
9999
FREE
SERVICE
Working condition for temperature sensor
4 0127
LP-HI ALARM
MODE
1
0
3
FREE
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset
4 0128
LP-HI AL.PRESS
12.0 Bar
-1.0
99.9
FREE
SERVICE
If low pressure is higher than the upper limit
of alarm pressure and maintain it during LP-
HI AL.DELAY, LP-HI ALARM will occur. Deviation
of LP-HI ALARM release is -2.0K
4 0129
LP-HI AL.DELAY
60 Sec
0
999
FREE
SERVICE
4 0130
HP-LO ALARM
MODE
1
0
3
FREE
SERVICE
0=Unuse
1=Auto-Reset
2=Checkd-Reset
3=Forced-Reset
4 0131
HP-LO AL.PRESS
10.0 bar
-1.0
99.9
FREE
SERVICE
If high pressure is less than the lower limit
of alarm pressure and maintain it during
[611 HP-LO AL.DELAY ], HP-LO ALARM will occur.
(Comp. stops immediately) Deviation of HP-
LO ALARM release is +5.0K
4 0132
HP-LO AL.DELAY
60 Sec
0
9999
FREE
SERVICE
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 15 -
4.8 IN/OUT
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0141
ID1: COMP ALARM
2=N.Close
0
2
FREE
SERVICE
0=Unuse
1=N.Open
2=N.Close
4 0142
ID2: CONDENSOR AL
2=N.Close
0
2
FREE
SERVICE
4 0143
ID3: REVERSE PHASE
2=N.Close
0
2
FREE
SERVICE
4 0144
ID4: LOW LEVEL
2=N.Close
0
2
FREE
SERVICE
4 0145
ID5: FLOW SWITCH
2=N.Close
0
2
FREE
SERVICE
4 0146
ID6: PUMP ALARM
2=N.Close
0
2
FREE
SERVICE
4 0147
ID7: FREEZE HEAT
2=N.Close
0
2
FREE
SERVICE
4 0148
ID8: RUN/STOP
1=N.Open
0
2
FREE
SERVICE
4 0149
N1:HEAT OUTPUT
2=Hotgas(PID)
0
4
FREE
SERVICE
0=Unuse,
1=Heat(PID)
2=Hotgas(PID)
3=Heat(Hys)
4=Hotgas(Hys)
4 0150
N2:COOL OUTPUT
2=Coolgas(PID)
0
4
FREE
SERVICE
0=Unuse,
1=Cool(PID)
2=Coolgas(PID)
3=Cool(Hys)
4=Coolgas(Hys)
4 0151
N3:COND OUTPUT
1=Use
0
1
FREE
SERVICE
0=Unuse, 1=Use
4 0152
N4:LINJ OUTPUT
1=Use
0
1
FREE
SERVICE
0=Unuse, 1=Use
4 0153
N5:PUMP OUTPUT
1=Use
0
1
FREE
SERVICE
0=Unuse, 1=Use
4 0154
N6:COMP OUTPUT
1=Use
0
1
FREE
SERVICE
0=Unuse, 1=Use
4 0155
N7:SOL OUTPUT
1=Use
0
1
FREE
SERVICE
0=Unuse, 1=Use
4 0156
N8:AUX OUTPUT
1=Alarm
0
4
FREE
SERVICE
0=Unuse
1=Alarm
2=Trip
3=Shutdown
4=Maintenance
5=All Alarm: Output if there is any
alarm or trip occur
6=!Alarm: Output if it is not an alarm
status
7=!Trip: Output if it is not a trip status
8=!Shutdown: Output if it is not a
shutdown status
9=!Maintenance: Output if it is not a
maintenance status
10=!All-Alarm: Output if there is no
alarm
11=Run-State
12=Stop-State
13=Pump-Run
14=Comp-Run
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 16 -
4.8 IN/OUT (CX9230-M2 Model)
15=5 Sec Delay: Output after keeping 5
secs. after comp. output
16=10Sec Delay: Output after keeping
15 secs. after comp. output
17=15Sec Delay: Output after keeping
15 secs. after comp. output
18=30Sec Delay: Output after keeping
30 secs. after comp. output
19=60Sec Delay: Output after keeping
60 secs. after comp. output
4 0157
Y1 OUTPUT MODE
0=Unuse
0
14
FREE
MASTER
0=Unuse
1=Heat: Use as heating output
2=Hotgas: Use as hotgas output
3=Cool: Use as cooling output
4=Coolgas: Use as coolgas
5=Cond: Use as condenser fan output
6=Reserv1
7=Reserv2
8=Reserv3
9=Reserv4
10=PV: Use as PV transmission output
11=B1: Use as B1 transmission output
12=B2: Use as B2 transmission output
13=B3: Use as B3 transmission output
14=B4 :Use as B4 transmission output
4 0158
Y2 OUTPUT MODE
0=Unuse
FREE
MASTER
4 0159
Y1 OUTPUT TYPE
0=4~20mA
0
2
FREE
MASTER
0=4~20mA: Forward direction output
1=20~4mA: Reverse direction output
2=SSR: SSR output
4 0160
Y2 OUTPUT TYPE
0=4~20mA
0
2
FREE
MASTER
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0151
N3:COMP2
1=Use
0
1
FREE
SERVICE
0=Unuse
1=Use
4 0152
N4:SOL2
1=Use
0
1
FREE
SERVICE
4 0153
N5:PUMP
1=Use
0
1
FREE
SERVICE
4 0154
N6:COMP1
1=Use
0
1
FREE
SERVICE
4 0155
N7:SOL1
1=Use
0
1
FREE
SERVICE
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 17 -
4.9 COMPRESSOR
4.9 COMPRESSOR (CX9230-M2 Model)
4.10 FUNCTION
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0161
COMPRES.
INSTALL
1=Use
0
1
FREE
MASTER
0=Unuse
1=Use
4 0162
COMP RUN
DELAY
3Sec
0
10
FREE
MASTER
Even if comp. is at starting condition,
compressor will not be started during
restart delay time after comp. turns OFF
(To prevent frequent ON/Off of compressor)
4 0163
COMP RE-RUN TIME
60Sec
0
9999
FREE
SERVICE
4 0165
PUMP-DOWN TIME
0Sec
0
999
FREE
SERVICE
Input pump down time of compressor
4 0166
PUMP-DOWN PRESS
0bar
-1.0
99.9
FREE
MASTER
Input pump down pressure
4 0168
CONDENSOR PRESS
24.0bar
-1.0
99.9
SERVICE
SERVICE
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0169
COMP1 USE
1=Use
0
1
FREE
MASTER
0=Unuse 1=Use
4 0170
COMP2 USE
1=Use
0
1
FREE
MASTER
0=Unuse 1=Use
4 0171
RUN/STOP SOURCE
0=Off
0
1
FREE
SERVICE
0=Off 1=On
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0181
RUN/STOP SOURCE
1=Local
0
4
FREE
SERVICE
0=Both:
Use both local mode and remote mode
1=Local: Control by keypad
2=Remote: Control by digital input(ID8)
3=Comm.: Control by Comm.
4=Schedule: Time set at schedule menu
4 0182
CONTROL SOURCE
0=Temp
0
1
FREE
SERVICE
0=Temperature: Control by temperature
standard
1=Lpress: Control by press. standard
(support at CX9240)
4 0184
AUX.SENSOR RATIO
0%
0
100
FREE
SERVICE
4 0185
POWER RETURN
1=Use
0
1
FREE
SERVICE
0=Unuse, 1=Use
4 0187
PUMP Low Temp.
On
4.0
-50.0
150
FREE
SERVICE
4 0189
PUMP ON DELAY
3Sec
0
9999
FREE
SERVICE
4 0190
PUMP STOP DELAY
10Sec
0
9999
FREE
SERVICE
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 18 -
4.11 PID CONTROL
4.12 SENSOR
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0201
AUTO TUNE
0=Off
0
1
SERVICE
SERVICE
0=Off, 1=On: PID auto-tuning start
4 0202
PROPORTION. GAIN
5.0%
0.0
999.9
SERVICE
SERVICE
P Constant
4 0203
INTEGRAL TIME
120Sec
0
3600
SERVICE
SERVICE
I Constant
4 0204
DERIVATIVE TIME
30Sec
0
3600
SERVICE
SERVICE
D Constant
4 0205
HEAT HI. LIMIT
100%
0
100
SERVICE
SERVICE
The upper limit of heating control
4 0206
HEAT LOW LIMIT
0%
0
100
SERVICE
SERVICE
The lower limit of heating control
4 0207
HEAT ON/OFF PERI
5Sec
0
9999
SERVICE
SERVICE
Output cycle at setting NI as PID
4 0208
COOL HI. LIMIT
100%
0
100
SERVICE
SERVICE
The upper limit of cooling control
4 0209
COOL LOW LIMIT
0%
0
100
SERVICE
SERVICE
The lower limit of cooling control
4 0210
COOL ON/OFF PERI
5Sec
0
9999
SERVICE
SERVICE
Output cycle at setting N2 as PID
4 0212
COND. AUTO TUNE
0=Off
0
1
SERVICE
SERVICE
0=Off, 1=On: PID auto-tuning start
4 0213
COND. PROP. BAND
5.0%
0.0
999.9
SERVICE
SERVICE
P constant of condensation PID control
output
4 0214
COND. INTEGRAL
120Sec
0
3600
SERVICE
SERVICE
I constant of condensation PID control
output
4 0215
COND. DERIVATIVE
30Sec
0
3600
SERVICE
SERVICE
D constant of condensation PID control
output
4 0216
COND. HI. LIMIT
100%
0
100
SERVICE
SERVICE
The upper limit of condensation PID control
output
4 0217
COND. LOW LIMIT
0%
0
100
SERVICE
SERVICE
The lower limit of condensation PID control
output
4 0218
COND. ON/OFF PER
5Sec
0
9999
SERVICE
SERVICE
Output cycle at setting N4 as PID
4 0219
AUTO TUNE GAIN
SERVICE
SERVICE
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0221
B1 SENSOR
SERVICE
MASTER
0=Unuse
1=Use
4 0222
B2 SENSOR
SERVICE
MASTER
0=Unuse
1=Aux.
2=Discharge
3=Set Value
4 0223
B1 SENSOR OFFSET
0.0K
-99.9
+99.9
SERVICE
SERVICE
Input offset of B1 sensor.
4 0224
B2 SENSOR OFFSET
0.0K
-99.9
+99.9
SERVICE
SERVICE
Input offset of B2 sensor.
4 0225
LO-PRESS. SENSOR
0=Unuse
0
6
SERVICE
MASTER
0=Unuse
1=-1~15bar
2=-1~9bar
3=-1~10bar
4=0~30bar
5=0~50bar
6=-1~50bar
4 0226
HI-PRESS. SENSOR
0=Unuse
0
6
SERVICE
MASTER
4 0227
LO-PRESS. OFFSET
0.0K
-99.9
+99.9
SERVICE
SERVICE
Input offset of low pressure sensor.
4 0228
HI-PRESS. OFFSET
0.0K
-99.9
+99.9
SERVICE
SERVICE
Input offset of high pressure sensor.
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 19 -
4.13 CONGIG
4.15 FACTORY
NO
Parameter
Default
Min.
Max.
View
Access
Description
4 0241
LANGUAGE SELECT
0= Korean
0
1
FREE
USER
0=Korean, 1=English
4 0242
MASTER CODE
119
1
9999
MASTER
MASTER
Set master code.
4 0243
SERVICE CODE
100
1
9999
SERVICE
SERVICE
Set service code.
4 0244
PARAMETE INITIAL
0=NO
0
1
MASTER
MASTER
0=NO, 1=YES
4 0245
RUN INFO ERASE
0=NO
0
1
MASTER
MASTER
0=NO, 1=YES
4 0246
ALARM LOG ERASE
0=NO
0
1
MASTER
MASTER
0=NO, 1=YES
4 0247
COMM.ID
0
0
256
FREE
USER
Set comm. ID
4 0248
COMM. BPS
1=9600
0
3
FREE
USER
0=4800, 1=9600, 2=19200, 3=38400
4 0249
SENSOR IN FILTER
5.0 Sec
0.0
99.9
MASTER
MASTER
Set input filter of sensor. The bigger the
more stable, but it will be slow to respond.
4 0250
ALARM BUZZER
1=Use
0
1
FREE
USER
0=Unuse, 1=Use
4 0251
Y1JERK LIMIT
100%
0
100
FREE
USER
4 0252
Y2JERK LIMIT
100%
0
100
FREE
USER
4 0253
ID7 FUNCTION
0
0
1
MASTER
MASTER
0=FREEZE, 1=OVERHEAT
NO
Parameter
Default
Min.
Max.
View
Access
Description
1400
Factory Test
0
1
SERVICE
FACTORY
1401
B1 Input
0
9999
SERVICE
LOCK
1402
B2 Input
0
9999
SERVICE
LOCK
1403
B3 Input
0
9999
SERVICE
LOCK
1404
B4 Input
0
9999
SERVICE
LOCK
1405
B3 4mA
0
9999
SERVICE
FACTORY
1406
B3 20mA
0
9999
SERVICE
FACTORY
1407
B4 4mA
0
9999
SERVICE
FACTORY
1408
B4 20mA
0
9999
SERVICE
FACTORY
1409
Y1 4mA
0
9999
SERVICE
FACTORY
1410
Y1 20mA
0
9999
SERVICE
FACTORY
1411
Y2 4mA
0
9999
SERVICE
FACTORY
1412
Y2 20mA
0
9999
SERVICE
FACTORY
1413
ADC filter
0
99
SERVICE
FACTORY
1414
DAC filter
0
99
SERVICE
FACTORY
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CX9230
Recipro/Scroll(Chiller) Controller
REV DATE
R20180403
USERS MANUAL
- 20 -
6. PROTOCOL
6.1 COMMUNICATIONS SPECIFICATIONS
6.2 INPUT STATUS –DIGITAL INPUT PORT
6.3 INPUT STATUS –DIGITAL OUTPUT PORT
Item
Description
Transmission line connection
Multiple line
Communications method
RS485 (2-wire, half-duplex)
Baud-rate
BPS default 9600 BPS
Parity, Data, Stop bit
None, 8 Data, 1 Stop
Protocol Type
Modbus RTU MODE
Function Code
Read HOLD REGISTERS (0x03) / Preset Single Register (0x06)
Maximum Read Word
32 Word
Media Type
BELDEN 9841 / 9842, LG LIREV-AMESB
Poll interval
100msec
Address
Menu
Unit
Type
Size
(Word)
CX9230
MMI
Custom
3 0001
Digital Input Signal State
-
Analog
UINT 16
Refer to bit state below
Bit 0
Digital Input ID1 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 1
Digital Input ID2 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 2
Digital Input ID3 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 3
Digital Input ID4 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 4
Digital Input ID5 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 5
Digital Input ID6 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 6
Digital Input ID7 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 7
Digital Input ID8 Signal
-
Digital
Bit
0 : OFF
1 : ON
Address
Menu
Unit
Type
Size
(Word)
CX9230
MMI
Custom
3 0002
Digital Output Signal State
-
Analog
UINT 16
Refer to bit state below
Bit 0
Digital Output N1 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 1
Digital Output N2 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 2
Digital Output N3 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 3
Digital Output N4 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 4
Digital Output N5 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 5
Digital Output N6 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 6
Digital Output N7 Signal
-
Digital
Bit
0 : OFF
1 : ON
Bit 7
Digital Output N8 Signal
-
Digital
Bit
0 : OFF
1 : ON
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