: TRIP / ALARM MESSAGES
No Menu Code Description / Instructions Response at Detection Reset Type
1
Internal Parameter Error
5 Y 5
Change any parameters and turn off. Then restart. Immediate Stop Automatic Reset
2
High Pressure Sensor Open
HO P
Please check a high pressure sensor because it is open. Immediate Stop Automatic Reset
3
High Pressure Sensor Short
H5 H
Please check a high pressure sensor because it is short. Immediate Stop Automatic Reset
4
Low Pressure Sensor Open
LO P
Please check a low pressure sensor because it is open. Immediate Stop Automatic Reset
5
Low Pressure Sensor Short
L5 H
Please check a low pressure sensor because it is short. Immediate Stop Automatic Reset
6
Oil Pressure Sensor Open
0O P
Please check a oil pressure sensor because it is open. Immediate Stop Automatic Reset
7
Oil Pressure Sensor Short
05 H
Please check a oil pressure sensor because it is short. Immediate Stop Automatic Reset
※ When it alarms, it beeps and all the outputs are cut off. To stop the beep, press the reset.
5. COMMUNICATIONS SPECIFICATIONS
: Communication Model ( -R4 )
Description
Transmission line connection Multiple line
Communications method RS485 (2-wire, half-duplex)
BPS 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 16 Word
Media Type BELDEN 9841 / 9842, LG LIREV-AMESB
Poll interval 100msec
: HOLD REGISTERS
※ Pressure Unit Conversion Table
MPa bar kgf/cm
psi
1MPa
1
1ⅹ10
1.0197162ⅹ10 1.450382ⅹ10
1bar 1ⅹ10
1 1.019716 1.4503824ⅹ10
1kgf/cm
9.80665ⅹ10
9.80665ⅹ10
1 1.4223393ⅹ10
1psi 6.895ⅹ10
6.8947ⅹ10
7.0307ⅹ10
1
Address Menu Unit Type Size (Word) DPX200 MMI Scale
4 0011 Output status code - Digital INT 16 Refer to bit status below -
Bit0 High Pressure Switch Set Value - Digital Bit 0 : OFF 1 : ON -
Bit1 Set Value for Switching ON a Fan - Digital Bit 0 : OFF 1 : ON -
Bit2 Low Pressure Switch Set Value Digital Bit 0 : OFF 1 : ON -
Bit3 Oil Pressure Switch Set Value Digital Bit 0 : OFF 1 : ON -
4 0013 Alarm status code - Digital INT 16 Refer to bit status below -
Bit0
Internal control variables error
(Internal control factor error)
- Digital Bit 0 : Normal 1 : Alarm -
Bit1 High pressure sensor faulty - Digital Bit 0 : Normal 1 : Alarm -
Bit2 Low pressure sensor faulty Digital Bit 0 : Normal 1 : Alarm -
Bit3 Oil pressure sensor faulty Digital Bit 0 : Normal 1 : Alarm -
4 0023 Display of high pressure value MPa Analog INT 16 -0.10 ~ 5.00 -10 ~ 500 1/100
4 0024 Display of low pressure value MPa Analog INT 16 -0.10 ~ 5.00 -10 ~ 500 1/100
4 0025 Display of oil pressure value MPa Analog INT 16 0.00 ~ 5.00 0 ~ 500 1/100
4 0026
Display of saturation temperature for
low pressure
°C Analog INT 16 -150.0 ~ 200.0 -1500 ~ 2000 1/10
4 0027
Display of saturation temperature for
high pressure
°C Analog INT 16 -150.0 ~ 200.0 -1500 ~ 2000 1/10
4 0030
Display of differential pressure value
(Oil pressure – Low pressure)
°C Analog INT 16 0.0 ~ 5.10 0 ~ 510 1/100
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