Level Indicating
Controller LFC128-2
USER GUIDE FOR LEVEL INDICATING CONTROLLER LFC128-2
LFC128-2-MN-EN-01 JUN-2020

LFC128-2 ឧបករណ៍បញ្ជាការបង្ហាញកម្រិតកម្រិតខ្ពស់

ឯកសារនេះត្រូវបានអនុវត្តសម្រាប់ផលិតផលខាងក្រោម

SKU	LFC128-2	HW Ver.	1.0	FW Ver.	1.1
លេខកូដធាតុ	LFC128-2	Level Indicating Controller, 4AI/DI, 4DI, 4xRelay, 1xPulse Output, 2 x RS485/ModbusRTU-Slave Communication

មុខងារផ្លាស់ប្តូរកំណត់ហេតុ

HW Ver.	FW Ver.	កាលបរិច្ឆេទចេញផ្សាយ	មុខងារ ផ្លាស់ប្តូរ
1.0	1.1	JUN-2020

សេចក្តីផ្តើម

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.

ការបញ្ជាក់

ការបញ្ចូលឌីជីថល	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)
ការបញ្ចូលអាណាឡូក	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
ទិន្នផលបញ្ជូនត	04 x Ports, electro-mechanical Relays, SPDT, contact rating 24VDC/2A or 250VAC/5A, LED indicators
លទ្ធផលនៃជីពចរ	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)
ទំនាក់ទំនង	02 x ModbusRTU-Slave, RS485, speed 9600 or 19200, LED indicator
ប៊ូតុងកំណត់ឡើងវិញ	For resetting 02 x RS485 Slave port to default setting (9600, None parity, 8 bit)
ប្រភេទអេក្រង់	អេក្រង់ប៉ះ
ការផ្គត់ផ្គង់ថាមពល	9..36VDC
ការប្រើប្រាស់	200mA @ 24VDC supply
ប្រភេទម៉ោន	បន្ទះម៉ោន
ប្លុកស្ថានីយ	pitch 5.0mm, rating 300VAC, wire size 12-24AWG
សីតុណ្ហភាពការងារ / សំណើម	0..60 degC / 95%RH non-condensing
វិមាត្រ	H93xW138xD45
ទំងន់សុទ្ធ	២១៩ ក្រាម។

រូបភាពផលិតផល

គោលការណ៍ប្រតិបត្តិការ

5.1 ការទំនាក់ទំនង Modbus

02 x RS485/ModbusRTU-Slave
ពិធីសារៈ Modbus RTU
អាស័យដ្ឋាន៖ 1 – 247, 0 is the Broadcast address
អត្រា Baud: ៣, ១
ភាពស្មើគ្នា: គ្មាន, សេស, គូ

• 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

ចុះឈ្មោះ Memmap
READ uses command 03, WRITE uses command 16
ការកំណត់រចនាសម្ព័ន្ធលំនាំដើម៖

• អាស័យដ្ឋាន៖ 1
• Baudrate slave 1: 9600
• Parity slave 1: none
• Baudrate slave 2: 9600
• Parity slave 2: none

ចុះឈ្មោះ Modbus	Hex adr	# of registers	ការពិពណ៌នា	ជួរ	លំនាំដើម	ទម្រង់	ទ្រព្យសម្បត្តិ	មតិយោបល់
0	0	2	ព័ត៌មានឧបករណ៍		LFC1	ខ្សែអក្សរ	អាន
8	8	1	ឌី២       DI2: digital status	០១៤៨៦០៧៤-០០៤		uint8	អាន	H_byte: DI1 L_byte: DI2
9	9	1	ឌី២       DI4: digital status	០១៤៨៦០៧៤-០០៤		uint8	អាន	H_byte: DI3 L_byte: DI4
10	A	1	AI២៤២      AI2: digital status	០១៤៨៦០៧៤-០០៤		uint8	អាន	H_byte: AI1 L_byte: AI2
11	B	1	AI២៤២      AI4: digital status	០១៤៨៦០៧៤-០០៤		uint8	អាន	H_byte: AI3 L_byte: AI4
12	C	1	AI1: analog value			uint16	អាន
13	D	1	AI2: analog value			uint16	អាន
14	E	1	AI3: analog value			uint16	អាន
15	F	1	AI4: analog value			uint16	អាន
16	10	2	AI1: scaled value			អណ្តែត	អាន
18	12	2	AI2: scaled value			អណ្តែត	អាន
20	14	2	AI3: scaled value			អណ្តែត	អាន
22	16	2	AI4: scaled value			អណ្តែត	អាន
24	18	1	បញ្ជូនត ១	០១៤៨៦០៧៤-០០៤		uint16	អាន
25	19	1	បញ្ជូនត ១	០១៤៨៦០៧៤-០០៤		uint16	អាន
26	1A	1	បញ្ជូនត ១	០១៤៨៦០៧៤-០០៤		uint16	អាន
27	1B	1	បញ្ជូនត ១	០១៤៨៦០៧៤-០០៤		uint16	អាន
28	1C	1	open collector ctrl		០១៤៨៦០៧៤-០០៤	uint16	អាន/សរសេរ	0: off 1: on 2: pwm, pulse continuously 3: pulse, when enough pulse number, ctrl = 0
30	1E	2	counter DI1			uint32	អាន/សរសេរ	counter writable, erasable
32	20	2	counter DI2			uint32	អាន/សរសេរ	counter writable, erasable
34	22	2	counter DI3			uint32	អាន/សរសេរ	counter writable, erasable
36	24	2	counter DI4			uint32	អាន/សរសេរ	counter writable, erasable
38	26	2	counter AI1			uint32	អាន/សរសេរ	counter writable, erasable, max frequency 10Hz
40	28	2	counter AI2			uint32	អាន/សរសេរ	counter writable, erasable, max frequency 10Hz
42	2A	2	counter AI3			uint32	អាន/សរសេរ	counter writable, erasable, max frequency 10Hz
44	2C	2	counter AI4			uint32	អាន/សរសេរ	counter writable, erasable, max frequency 10Hz
46	2E	2	DI1: time on			uint32	អាន/សរសេរ	វិ
48	30	2	DI2: time on			uint32	អាន/សរសេរ	វិ
50	32	2	DI3: time on			uint32	អាន/សរសេរ	វិ
52	34	2	DI4: time on			uint32	អាន/សរសេរ	វិ
54	36	2	AI1: time on			uint32	អាន/សរសេរ	វិ
56	38	2	AI2: time on			uint32	អាន/សរសេរ	វិ
58	3A	2	AI3: time on			uint32	អាន/សរសេរ	វិ
60	3C	2	AI4: time on			uint32	អាន/សរសេរ	វិ
62	3E	2	DI1: time off			uint32	អាន/សរសេរ	វិ
64	40	2	DI2: time off			uint32	អាន/សរសេរ	វិ
66	42	2	DI3: time off			uint32	អាន/សរសេរ	វិ
68	44	2	DI4: time off			uint32	អាន/សរសេរ	វិ
70	46	2	AI1: time off			uint32	អាន/សរសេរ	វិ
72	48	2	AI2: time off			uint32	អាន/សរសេរ	វិ
74	4A	2	AI3: time off			uint32	អាន/សរសេរ	វិ
76	4C	2	AI4: time off			uint32	អាន/សរសេរ	វិ
128	80	2	counter DI1			uint32	អាន	counter cannot write, erase
130	82	2	counter DI2			uint32	អាន	counter cannot write, erase
132	84	2	counter DI3			uint32	អាន	counter cannot write, erase
134	86	2	counter DI4			uint32	អាន	counter cannot write, erase
136	88	2	counter AI1			uint32	អាន	counter cannot write, erase; max frequency 10Hz
138	8A	2	counter AI2			uint32	អាន	counter cannot write, erase; max frequency 10Hz
140	8C	2	counter AI3			uint32	អាន	counter cannot write, erase; max frequency 10Hz
142	8E	2	counter AI4			uint32	អាន	counter cannot write, erase; max frequency 10Hz
256	100	1	modbus address slave	០១៤៨៦០៧៤-០០៤	1	uint16	អាន/សរសេរ
257	101	1	modbus baudrate slave 1	០១៤៨៦០៧៤-០០៤	0	uint16	អាន/សរសេរ	0:9600, 1:19200
258	102	1	modbus parity slave 1	០១៤៨៦០៧៤-០០៤	0	uint16	អាន/សរសេរ	0: គ្មាន, 1: សេស, 2: គូ

5.2 ប៊ូតុងកំណត់ឡើងវិញ
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:

• អាស័យដ្ឋាន៖ 1
• អត្រា Baud: 9600
• ភាពស្មើគ្នា៖ គ្មាន

៤.៤ ការបញ្ចូលឌីជីថល

បញ្ជាក់៖

• 04 channels DI, isolated
• Input Resistance: 4.7 kΏ
• វ៉ុលឯកោtagអ៊ី: ៦០០ វី
• Logic level 0: 0-1V
• Logic level 1: 5-24V
• មុខងារ៖
• Read logic 0/1
• Pulse Counter

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 ការបញ្ចូលអាណាឡូក

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

តម្លៃ	Type of AI
0	0-10 V
1	0-20 mA

ប្រភេទ​បញ្ចូល៖

• វាស់វ៉ុលtagអ៊ី: ៤.៨-១០ វី
• 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

impedance បញ្ចូល៖

• វាស់វ៉ុលtage: 320 kΏ
• Measure the current: 499 Ώ

5.4.1 Read the Analog value
ដំណោះស្រាយ ១៦ ប៊ីត
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
គ្មានភាពឯកោទេ។
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

៤ បញ្ជូនបន្ត

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

ការកំណត់រចនាសម្ព័ន្ធសំឡេងរោទិ៍៖

• HIHI : Relay 4 On
• HI : Relay 3 On
• LO : Relay 2 On
• LOLO: Relay 1 On

5.6 ទិន្នផលជីពចរ

01 isolated open-collector channel
Opto-coupler: Source current Imax = 10mA, Vceo = 80V
មុខងារ៖ 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

PWM ១
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

ការដំឡើង

6.1 វិធីសាស្រ្តដំឡើង

6.2 Wiring with Level Sensor

ការកំណត់រចនាសម្ព័ន្ធ

7.1 អេក្រង់ដើម

ស្គ្រីន៖ Switch to 2nd screen with more detailed information
ការដាស់តឿន: Show Level Alert
គេហទំព័រ៖ ត្រឡប់ទៅអេក្រង់ដើមវិញ។
កំណត់រចនាសម្ព័ន្ធ។ (Default Password: a): Go to Setting Screen
7.2 Setting screen (Default Password: a)
7.2.1 អេក្រង់ 1

ADC៖ 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)
ក្នុង ១: Enter the ADC value after putting 4 mA / 0 VDC into AI1 for calibration at 0 level
មាត្រដ្ឋាន 1: The level value displayed corresponds to the value entered in In 1 (usually 0)
ក្នុង ១: Enter the ADC value after putting 20 mA / 10 VDC into AI1 for calibration at Full level
មាត្រដ្ឋាន 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 អេក្រង់ 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
របៀបជូនដំណឹង៖ 0: Level, 1: Volume
Span Volume(Unit): Maximum value of the volume
7.2.3 អេក្រង់ 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 អេក្រង់ 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
អាសយដ្ឋាន Modbus៖ 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 អេក្រង់ 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 អេក្រង់ 6

ពាក្យសម្ងាត់៖ Password to enter the Setting page, 8 ASCII characters
Tank Name: Tank name displayed on the main screen

ការដោះស្រាយបញ្ហា

ទេ	បាតុភូត	ហេតុផល	ដំណោះស្រាយ
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	ឧបករណ៍ចាប់សញ្ញាត្រូវបានផ្តាច់	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

ទំនាក់ទំនងគាំទ្រ

ក្រុមហ៊ុនផលិត
Daviteq Technologies Inc
No.11 Street 2G, Nam Hung Vuong Res., An Lac Ward, Binh Tan Dist., Ho Chi Minh City, Vietnam.
Tel: +84-28-6268.2523/4 (ext.122)
អ៊ីមែល៖ info@daviteq.com
www.daviteq.com

ឯកសារ/ធនធាន

daviteq LFC128-2 Advanced Level Display Controller [pdf] សៀវភៅណែនាំ LFC128-2, LFC128-2 Advanced Level Display Controller, Advanced Level Display Controller, Level Display Controller, Display Controller

ឯកសារយោង

• សៀវភៅណែនាំអ្នកប្រើប្រាស់