Level Indicating
Controller LFC128-2
USER GUIDE FOR LEVEL INDICATING CONTROLLER LFC128-2
LFC128-2-MN-EN-01 JUN-2020
LFC128-2 የላቀ ደረጃ ማሳያ መቆጣጠሪያ
ይህ ሰነድ ለሚከተሉት ምርቶች ይተገበራል
| SKU | LFC128-2 | HW Ver. | 1.0 | FW Ver. | 1.1 |
| የንጥል ኮድ | LFC128-2 | Level Indicating Controller, 4AI/DI, 4DI, 4xRelay, 1xPulse Output, 2 x RS485/ModbusRTU-Slave Communication | |||
የተግባር ለውጥ ምዝግብ ማስታወሻ
| HW Ver. | FW Ver. | የተለቀቀበት ቀን | ተግባራት ለውጥ |
| 1.0 | 1.1 | JUN-2020 | |
መግቢያ
LFC128-2 is an advanced level display controller. The product integrates Modbus RTU interface to help PLC / SCADA / BMS and any IoT port can connect to monitor. LFC128-2 has a simple yet powerful design with 4 AI / DI, 4 DI, 4 Relays, 1 Pulse pulse output, 2 RS485 Slave ModbusRTU allowing them to connect with multiple devices easily. With advanced technology that provides high stability and reliability, many functions, easy installation with touch screen and friendly interface helps visually monitor level.
ዝርዝር መግለጫ
| ዲጂታል ግብዓቶች | 04 x Ports, opto-coupler, 4.7 kohms input resisrtance, 5000V rms isolation, Logic 0 (0-1VDC), Logic 1 (5-24VDC), Functions: logic status 0/1 or Pulse counting (32 bit counter with max 4kHz pulse) |
| የአናሎግ ግብዓቶች | 04 x Ports, select between 0-10VDC input or 0-20mA input, 12 bit Resolution, can be configured as Digital input by DIP switch (max 10VDC input) The AI1 port is a 0-10 VDC / 4-20 mA level sensor connection port |
| የማስተላለፊያ ውፅዓት | 04 x Ports, electro-mechanical Relays, SPDT, contact rating 24VDC/2A or 250VAC/5A, LED indicators |
| ጥራጥሬ ውጤት | 01 x Ports, open-collector, opto-isolation, max 10mA and 80VDC, On/off control, Pulser (max 2.5Khz, max 65535 Pulses) or PWM (max 2.5Khz) |
| ግንኙነት | 02 x ModbusRTU-Slave, RS485, speed 9600 or 19200, LED indicator |
| ዳግም አስጀምር አዝራር | For resetting 02 x RS485 Slave port to default setting (9600, None parity, 8 bit) |
| የስክሪን አይነት | የንክኪ ማያ ገጽ |
| የኃይል አቅርቦት | 9..36VDC |
| ፍጆታ | 200mA @ 24VDC supply |
| የመጫኛ አይነት | የፓነል መጫኛ |
| ተርሚናል አግድ። | pitch 5.0mm, rating 300VAC, wire size 12-24AWG |
| የሥራ ሙቀት / እርጥበት | 0..60 degC / 95%RH non-condensing |
| ልኬት | H93xW138xD45 |
| የተጣራ ክብደት | 390 ግራም |
የምርት ስዕሎች
የአሠራር መርህ
5.1 Modbus ግንኙነት
02 x RS485/ModbusRTU-Slave
ፕሮቶኮል Modbus RTU
አድራሻ፡- 1 – 247, 0 is the Broadcast address
የባውድ መጠን: 9600 ፣ 19200
እኩልነት ፦ ምንም ፣ ያልተለመደ ፣ እንኳን
- Status indicator LED:
- Led on: modbus communication OK
- Led blinking: received data but modbus communication incorrect, due to wrong Modbus configuration: address, baudrate
- Led off: LFC128-2 received no data, check the connection
Memap መመዝገቢያዎች
READ uses command 03, WRITE uses command 16
ነባሪ ውቅር፡
- አድራሻ፡ 1
- Baudrate slave 1: 9600
- Parity slave 1: none
- Baudrate slave 2: 9600
- Parity slave 2: none
| የሞድበስ ምዝገባ | Hex adr | # of registers |
መግለጫ | ክልል | ነባሪ | ቅርጸት | ንብረት | አስተያየት |
| 0 | 0 | 2 | የመሣሪያ መረጃ | LFC1 | ሕብረቁምፊ | አንብብ | ||
| 8 | 8 | 1 | DI1 DI2: digital status | 0-1 | uint8 | አንብብ | H_byte: DI1 L_byte: DI2 | |
| 9 | 9 | 1 | DI3 DI4: digital status | 0-1 | uint8 | አንብብ | H_byte: DI3 L_byte: DI4 | |
| 10 | A | 1 | AI1 AI2: digital status | 0-1 | uint8 | አንብብ | H_byte: AI1 L_byte: AI2 | |
| 11 | B | 1 | AI3 AI4: digital status | 0-1 | uint8 | አንብብ | H_byte: AI3 L_byte: AI4 | |
| 12 | C | 1 | AI1: analog value | uint16 | አንብብ | |||
| 13 | D | 1 | AI2: analog value | uint16 | አንብብ | |||
| 14 | E | 1 | AI3: analog value | uint16 | አንብብ | |||
| 15 | F | 1 | AI4: analog value | uint16 | አንብብ | |||
| 16 | 10 | 2 | AI1: scaled value | መንሳፈፍ | አንብብ | |||
| 18 | 12 | 2 | AI2: scaled value | መንሳፈፍ | አንብብ | |||
| 20 | 14 | 2 | AI3: scaled value | መንሳፈፍ | አንብብ | |||
| 22 | 16 | 2 | AI4: scaled value | መንሳፈፍ | አንብብ | |||
| 24 | 18 | 1 | ቅብብል 1 | 0-1 | uint16 | አንብብ | ||
| 25 | 19 | 1 | ቅብብል 2 | 0-1 | uint16 | አንብብ | ||
| 26 | 1A | 1 | ቅብብል 3 | 0-1 | uint16 | አንብብ | ||
| 27 | 1B | 1 | ቅብብል 4 | 0-1 | uint16 | አንብብ | ||
| 28 | 1C | 1 | open collector ctrl | 0-3 | uint16 | አንብብ/ጻፍ | 0: off 1: on 2: pwm, pulse continuously 3: pulse, when enough pulse number, ctrl = 0 | |
| 30 | 1E | 2 | counter DI1 | uint32 | አንብብ/ጻፍ | counter writable, erasable | ||
| 32 | 20 | 2 | counter DI2 | uint32 | አንብብ/ጻፍ | counter writable, erasable | ||
| 34 | 22 | 2 | counter DI3 | uint32 | አንብብ/ጻፍ | counter writable, erasable | ||
| 36 | 24 | 2 | counter DI4 | uint32 | አንብብ/ጻፍ | counter writable, erasable | ||
| 38 | 26 | 2 | counter AI1 | uint32 | አንብብ/ጻፍ | counter writable, erasable, max frequency 10Hz | ||
| 40 | 28 | 2 | counter AI2 | uint32 | አንብብ/ጻፍ | counter writable, erasable, max frequency 10Hz | ||
| 42 | 2A | 2 | counter AI3 | uint32 | አንብብ/ጻፍ | counter writable, erasable, max frequency 10Hz | ||
| 44 | 2C | 2 | counter AI4 | uint32 | አንብብ/ጻፍ | counter writable, erasable, max frequency 10Hz | ||
| 46 | 2E | 2 | DI1: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 48 | 30 | 2 | DI2: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 50 | 32 | 2 | DI3: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 52 | 34 | 2 | DI4: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 54 | 36 | 2 | AI1: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 56 | 38 | 2 | AI2: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 58 | 3A | 2 | AI3: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 60 | 3C | 2 | AI4: time on | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 62 | 3E | 2 | DI1: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 64 | 40 | 2 | DI2: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 66 | 42 | 2 | DI3: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 68 | 44 | 2 | DI4: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 70 | 46 | 2 | AI1: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 72 | 48 | 2 | AI2: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 74 | 4A | 2 | AI3: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 76 | 4C | 2 | AI4: time off | uint32 | አንብብ/ጻፍ | ሰከንድ | ||
| 128 | 80 | 2 | counter DI1 | uint32 | አንብብ | counter cannot write, erase | ||
| 130 | 82 | 2 | counter DI2 | uint32 | አንብብ | counter cannot write, erase | ||
| 132 | 84 | 2 | counter DI3 | uint32 | አንብብ | counter cannot write, erase | ||
| 134 | 86 | 2 | counter DI4 | uint32 | አንብብ | counter cannot write, erase | ||
| 136 | 88 | 2 | counter AI1 | uint32 | አንብብ | counter cannot write, erase; max frequency 10Hz | ||
| 138 | 8A | 2 | counter AI2 | uint32 | አንብብ | counter cannot write, erase; max frequency 10Hz | ||
| 140 | 8C | 2 | counter AI3 | uint32 | አንብብ | counter cannot write, erase; max frequency 10Hz | ||
| 142 | 8E | 2 | counter AI4 | uint32 | አንብብ | counter cannot write, erase; max frequency 10Hz | ||
| 256 | 100 | 1 | modbus address slave | 1-247 | 1 | uint16 | አንብብ/ጻፍ |
|
| 257 | 101 | 1 | modbus baudrate slave 1 | 0-1 | 0 | uint16 | አንብብ/ጻፍ |
0፡ 9600፣ 1፡ 19200 |
| 258 | 102 | 1 | modbus parity slave 1 | 0-2 | 0 | uint16 | አንብብ/ጻፍ |
0፡ የለም፡ 1፡ እንግዳ፡ 2፡ እኩል |
5.2 ዳግም አስጀምር አዝራር
When holding the reset button for 4 seconds, LFC 128-2 will reset the default configuration to 02 x RS485 / Modbus
RTU-Slave.
Default Modbus RTU Configuration:
- አድራሻ፡ 1
- የባውድ መጠን: 9600
- እኩልነት፡ የለም
5.3 ዲጂታል ግቤት
መግለጫ፡
- 04 channels DI, isolated
- Input Resistance: 4.7 kΏ
- ማግለል ቁtagሠ 5000Vrms
- Logic level 0: 0-1V
- Logic level 1: 5-24V
- ተግባር፡-
- Read logic 0/1
- የልብ ምት ቆጣሪ
5.3.1 Read the logical state 0/1
Logic value in Modbus Memory Map: 0-1
Registers to store logic values in the Modbus Memory Map:
- DI1__DI2: digital status: stores the logical state of channel 1 and channel 2.
H_byte: DI1
L_byte: DI2 - DI3__DI4: digital status: store the logical state of channel 3 and channel 4.
H_byte: DI3
L_byte: DI4
5.3.2 Pulse Counter
Counter value in Modbus Memory Map, when adding the number exceeds the threshold, it will automatically return: 0 4294967295 (32bits)
The register that stores Counter value in the Modbus Memory Map cannot be erased:
- Counter DI1: stores the logic state of channel 1
- Counter DI2: stores the logic state of channel 2
- Counter DI3: store the logic state of channel 3
- Counter DI4: stores the logic state of channel 4
The register that stores Counter value in the Modbus Memory Map cannot be erased: - None reset counter DI1: stores the logic state of channel 1
- None reset counter DI2: stores the logic state of channel 2
- None reset counter DI3: stores the logic state of channel 3
- None reset counter DI4: stores the logic state of channel 4
Pulse Counter Mode:
Low-speed pulse count less than 10Hz with filter, anti-jamming:
- Set register “counter DI1: filter time” = 500-2000: Channel 1 counts pulses less than 10Hz
- Set register “counter DI2: filter time” = 500-2000: Channel 2 counts pulses less than 10Hz
- Set register “counter DI3: filter time” = 500-2000: Channel 3 counts pulses less than 10Hz
- Set register “counter DI4: filter time” = 500-2000: Channel 4 counts pulses less than 10Hz
- High-speed pulse count with max 2KHz frequency without filter:
- Set register “counter DI1: filter time” = 1: channel 1 counts pulses with Fmax = 2kHz
- Set register “counter DI2: filter time” = 1: channel 2 counts pulses with Fmax = 2kHz
- Set register “counter DI3: filter time” = 1: channel 3 counts pulses with Fmax = 2kHz
- Set register “counter DI4: filter time” = 1: channel 4 counts pulses with Fmax = 2kHz
5.4 አናሎግ ግቤት
04 AI channels, no isolation (AI1 is a 4-20mA / 0-5 VDC / 0-10 VDC level sensor input )
Use DIP SW to configure Analog input: 0-10V, 0-20mA
| ዋጋ | Type of AI |
| 0 | 0-10 ቪ |
| 1 | 0-20 ሚ.ኤ |
የግቤት አይነት፡-
- ጥራዝ ይለኩtagሠ: 0-10V
- Measure current: 0-20mA
- The configuration for AI reads the same logical state as DI, but it is not isolated with a pulse range of 0-24V
የግቤት እንቅፋት፡-
- ጥራዝ ይለኩtage: 320 kΏ
- Measure the current: 499 Ώ
5.4.1 Read the Analog value
ጥራት 12 ቢት
Non-Linearity: 0.1%
Analog value in Modbus Memory Map: 0-3900
Analog value register in the Modbus Memory Map:
- AI1 analog value: store the Analog value of channel 1
- AI2 analog value: stores the Analog value of channel 2
- AI3 analog value: store the Analog value of channel 3
- AI4 analog value: store the Analog value of channel 4
5.4.2 AI configuration works as DI
ማግለል የለም።
AI Configure AI to read the same logic state as DI with pulse amplitude from 0-24V
There are 2 counter threshold AIx: logic threshold 0 and counter AIx: threshold logic 1 in the modbus table: 0-4095
- Analog Analog value of AI <counter AIx: threshold logic 0: is considered Logic 0 status of AI
- Analog Analog value of AI> counter AIx: threshold logic 1: is considered to be Logic 1 state of AI
- Counter AIx: threshold logic 0 = <Analog value of AI <= counter AIx: threshold logic 1: is considered to be the constant logic state
Logic Logical status value of AI in Modbus Memory Map table: 0-1
The register stores logical values in Modbus Memory Map:
- AI1___AI2: digital status: stores the logical state of channel 1 and channel 2.
H_byte: AI1
L_byte: AI2 - AI3___AI4: digital status: stores the logical state of channel 1 and channel 2.
H_byte: AI3
L_byte: AI4
5.4.3 Pulse Counter AI max 10Hz
Counter value in Modbus Memory Map, when adding the number beyond the threshold, it will automatically return: 0 4294967295 (32bits)
The register that stores Counter value in the Modbus Memory Map cannot be erased:
- Counter AI1: stores the logic state of channel 1
- Counter AI2: save logic state of channel 2
- Counter AI3: save logic state of channel 3
- Counter AI4: save logic state of channel 4
The register that stores Counter value in the Modbus Memory Map cannot be erased: - None reset counter AI1: stores the logic state of channel 1
- None reset counter AI2: stores the logic state of channel 2
- None reset counter AI3: stores the logic state of channel 3
- None reset counter AI4: save logic state of channel 4
5.5 ቅብብል
04 channel Relay SPDT NO / NC
Contact rating: 2A / 24VDC, 0.5A / 220VAC
There are status LEDs:
- Led on: Close Contact
- Led off: Open Contact
| Default Relay Register | Status of relays when resetting power supplies |
| 3 | Operate according to the Alarm configuration |
የማንቂያ ውቅር;
- HIHI : Relay 4 On
- HI : Relay 3 On
- LO : Relay 2 On
- LOLO: Relay 1 On
5.6 Pulse ውፅዓት
01 isolated open-collector channel
Opto-coupler: Source current Imax = 10mA, Vceo = 80V
ተግባራት፡- On / Off, pulse generator, PWM
5.6.1 On/Off Function
Set the Open-collector register in the Modbus Memory Map table:
- Set Open-collector register: 1 => Pulse Output ON
- Set Open-collector register: 0 => Pulse Output OFF
5.6.2 Pulse generator
Pulse output transmits a maximum of 65535 pulses, with Fmax 2.5kHz
Configure the following registers in the Modbus Memory Map table:
- Set register “open collector: pulse number”: 0-65535 => Pulse Number = 65535: broadcast 65535 pulses
- Set register “open collector: time cycle”: (0-65535) x0.1ms => Time Cycle = 4: Fmax 2.5kHz
- Set register “open collector: time on”: (0-65535) x0.1ms => Time On: is the logic time 1 of the pulse
- Set the register “open collector ctrl” = 3 => configure the Pulse Output to generate a pulse and start to pulse, generate a sufficient number of pulses in the “open collector: pulse number” register => stop pulse generator and register ” open collector ctrl ”= 0
5.6.3 ፒኤችኤም
Max frequency 2.5kHz
Configure the following registers in the Modbus Memory Map table:
- Set the register “open collector ctrl” = 2 => configure Pulse Output PWM function
- Set register “open collector: time cycle”: (0-65535) x0.1ms => Time Cycle = 4: Fmax 2.5kHz
- Set register “open collector: time on”: (0-65535) x0.1ms => Time On: is the logic time 1 of the pulse
መጫን
6.1 የመጫኛ ዘዴ
6.2 Wiring with Level Sensor
ማዋቀር
7.1 የመነሻ ማያ ገጽ
ስክሪን፡ Switch to 2nd screen with more detailed information
ማስጠንቀቂያዎች Show Level Alert
መነሻ ወደ መነሻ ማያ ገጽ ተመለስ
አዋቅር (Default Password: a): Go to Setting Screen
7.2 Setting screen (Default Password: a)
7.2.1 ስክሪን 1
![daviteq LFC128 2 Advanced Level Display Controller - Home Screen 1] '](https://manuals.plus/wp-content/uploads/2025/08/daviteq-LFC128-2-Advanced-Level-Display-Controller-Home-Screen-1-550x305.png)
ኤዲሲ፡ Raw signal value of channel AI1
Level (Unit): The level corresponds to the ADC signal after configuration
Decimal Places Level:Decimal number of digits after the dot of Level 0-3 (00000, 1111.1, 222.22, 33.333)
Unit level: level units, 0-3 (0: mm, 1: cm, 2: m, 3: inch)
በ1: Enter the ADC value after putting 4 mA / 0 VDC into AI1 for calibration at 0 level
ልኬት 1: The level value displayed corresponds to the value entered in In 1 (usually 0)
በ2: Enter the ADC value after putting 20 mA / 10 VDC into AI1 for calibration at Full level
ልኬት 2: The level value displayed corresponds to the value entered in In 2
Span Level: Maximum value of Level (Span Level ≥ Scale 2)
Decimal Places Volume: Decimal number of digits after the dot of Volume 0-3 (00000, 1111.1, 222.22, 33.333)
Unit Volume: units of volume 0-3 (0: lit, 1: cm, 2: m3, 3:%)
7.2.2 ስክሪን 2
Level Hi Hi Set point (Unit): High High level of Alarm Level
Level Hi Hi Hys (Unit): High High level hysteresis of Alarm Level
Level Hi Set point (Unit): High level of Alarm Level
Level Hi Hys (Unit): High level hysteresis of Alarm Level
Level Lo Set point (Unit): Low level of Alarm Level
Level Lo Hys (Unit): Low level hysteresis of Alarm Level
Level Lo Lo Set point (Unit): Low Low level of Alarm Level
Level Lo Lo Hys (Unit): Low Low level hysteresis of Alarm Level
የማንቂያ ደውል 0: Level, 1: Volume
Span Volume(Unit): Maximum value of the volume
7.2.3 ስክሪን 3
Volume Hi Hi Set point (Unit): High High volume of Alarm Volume
Volume Hi Hi Hys (Unit): High High volume hysteresis of Alarm Volume
Volume Hi Set point (Unit): High volume of Alarm Volume
Volume Hi Hys (Unit): High volume hysteresis of Alarm Volume
Volume Lo Set point (Unit): Low volume of Alarm Volume
Volume Lo Hys (Unit): Low volume hysteresis of Alarm Volume
Volume Lo Lo Set point (Unit): Low Low volume of Alarm Volume
Volume Lo Lo Hys (Unit): Low Low volume hysteresis of Alarm Volume
Run Total: Run the total function. 0-1 (0: No 1: Yes)
7.2.4 ስክሪን 4
Filling (Unit): Total function: total put into tank
Consumption (Unit): Total function: total consumption of the tank
Decimal Places Total: Decimal number of parameters Filling, Consumption, NRT Filling, NRT Consumption on display page (not the setting page)
Delta Total (Unit): Hysteresis level of the total function
Modbus አድራሻ፡- Modbus address of LFC128-2, 1-247
Modbus Baurate S1: 0-1 (0 : 9600 , 1 : 19200)
Modbus Parity S1: 0-2 (0: none, 1: odd, 2: even)
Modbus Baurate S2: 0-1 (0 : 9600 , 1 : 19200)
Modbus Parity S2: 0-2 (0: none, 1: odd, 2: even)
Num of Points: Number of points in the table to convert from level to volume, 1-166
7.2.5 ስክሪን 5
Point 1 Level (Level Unit): Level at Point 1
Point 1 Volume (Volume Unit): The corresponding volume at Point 1
Point 166 Level (Level Unit): Fuel level at Point 166
Point 166 Volume (Volume Unit): The corresponding volume at Point 166
7.2.6 ስክሪን 6
የይለፍ ቃል፥ Password to enter the Setting page, 8 ASCII characters
Tank Name: Tank name displayed on the main screen
መላ መፈለግ
| አይ። | ክስተቶች | ምክንያት | መፍትሄዎች |
| 1 | Modbus failed to communicate | Modbus LED Status: LED is off: received no data LED is blinking: the Modbus configuration is not the correct | Check the connection Check the Modbus configuration: Address, Baud Rate, Parity |
| 2 | Timeout Modbus | Noise appears on the line | Configure Baudrate 9600 and use a twisted pair cable with anti-jamming protection |
| 3 | ዳሳሽ ግንኙነቱ ተቋርጧል | Sensor and LFC128 lost connection | Checking connection Check sensor type (LFC128-2 only connects to 0-10VDC / 4- 20mA analog sensor type) Check the switch to see if it is turned on correctly Check that the sensor connector is correct AI1 |
| 4 | Linearization table error | Error of conversion table from level to volume | Check the configuration of the conversion table from level to volume |
እውቂያዎችን ይደግፉ
አምራች
Daviteq ቴክኖሎጂስ Inc
No.11 ጎዳና 2ጂ፣ Nam Hung Vuong Res.፣ An Lac Ward፣ Binh Tan Dist.፣ Ho Chi Minh City፣ Vietnam
Tel: +84-28-6268.2523/4 (ext.122)
ኢሜይል፡- info@daviteq.com
www.daviteq.com
ሰነዶች / መርጃዎች
 |
daviteq LFC128-2 Advanced Level Display Controller [pdf] መመሪያ መመሪያ LFC128-2, LFC128-2 Advanced Level Display Controller, Advanced Level Display Controller, Level Display Controller, Display Controller |