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

LFC128-2 Advanced Level Display Controller

ເອກະສານນີ້ຖືກນຳໃຊ້ສຳລັບຜະລິດຕະພັນຕໍ່ໄປນີ້

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

ບັນທຶກການປ່ຽນແປງຫນ້າທີ່

HW Ver.	FW Ver.	ວັນທີປ່ອຍ	ຟັງຊັນ ປ່ຽນແປງ
1.0	1.1	JUN-2020

ແນະນຳ

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.

ຂໍ້ມູນຈໍາເພາະ

ການປ້ອນຂໍ້ມູນດິຈິຕອນ	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)
ຂໍ້ມູນຂາເຂົ້າ	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
Relay Output	04 x Ports, electro-mechanical Relays, SPDT, contact rating 24VDC/2A or 250VAC/5A, LED indicators
ກໍາມະຈອນຜົນຜະລິດ	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)
ການສື່ສານ	02 x ModbusRTU-Slave, RS485, speed 9600 or 19200, LED indicator
ປຸ່ມຣີເຊັດ	For resetting 02 x RS485 Slave port to default setting (9600, None parity, 8 bit)
ປະເພດຫນ້າຈໍ	ຫນ້າຈໍສໍາຜັດ
ການສະຫນອງພະລັງງານ	9..36VDC
ການບໍລິໂພກ	200mA @ 24VDC supply
ປະເພດການຕິດຕັ້ງ	ການຕິດຕັ້ງແຜງ
ຕັນຢູ່ປາຍຍອດ	pitch 5.0mm, rating 300VAC, wire size 12-24AWG
ອຸນຫະພູມເຮັດວຽກ / ຄວາມຊຸ່ມຊື່ນ	0..60 degC / 95%RH non-condensing
ຂະໜາດ	H93xW138xD45
ນ້ຳໜັກສຸດທິ	390 ກຣາມ

ຮູບພາບຜະລິດຕະພັນ

ຫຼັກການປະຕິບັດງານ

5.1 ການສື່ສານ Modbus

02 x RS485/ModbusRTU-Slave
ອະນຸສັນຍາ: Modbus RTU
ທີ່ຢູ່: 1 – 247, 0 is the Broadcast address
ອັດຕາ Baud: ໑໕ , ໒໑
ຄວາມສະເີພາບ: ບໍ່ມີ, ຄີກ, ເຖິງແມ່ນວ່າ

• 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

ລົງທະບຽນ Memmap
READ uses command 03, WRITE uses command 16
ການຕັ້ງຄ່າເລີ່ມຕົ້ນ:

• ທີ່ຢູ່: 1
• Baudrate slave 1: 9600
• Parity slave 1: none
• Baudrate slave 2: 9600
• Parity slave 2: none

ລົງທະບຽນ Modbus	Hex adr	# of registers	ລາຍລະອຽດ	ຊ່ວງ	ຄ່າເລີ່ມຕົ້ນ	ຮູບແບບ	ຊັບສິນ	ຄໍາເຫັນ
0	0	2	ຂໍ້ມູນອຸປະກອນ		LFC1	ສາຍ	ອ່ານ
8	8	1	DI1       DI2: digital status	0-1		uint8	ອ່ານ	H_byte: DI1 L_byte: DI2
9	9	1	DI3       DI4: digital status	0-1		uint8	ອ່ານ	H_byte: DI3 L_byte: DI4
10	A	1	AI1      AI2: digital status	0-1		uint8	ອ່ານ	H_byte: AI1 L_byte: AI2
11	B	1	AI3      AI4: digital status	0-1		uint8	ອ່ານ	H_byte: AI3 L_byte: AI4
12	C	1	AI1: analog value			uint16	ອ່ານ
13	D	1	AI2: analog value			uint16	ອ່ານ
14	E	1	AI3: analog value			uint16	ອ່ານ
15	F	1	AI4: analog value			uint16	ອ່ານ
16	10	2	AI1: scaled value			ລອຍ	ອ່ານ
18	12	2	AI2: scaled value			ລອຍ	ອ່ານ
20	14	2	AI3: scaled value			ລອຍ	ອ່ານ
22	16	2	AI4: scaled value			ລອຍ	ອ່ານ
24	18	1	Relay 1	0-1		uint16	ອ່ານ
25	19	1	Relay 2	0-1		uint16	ອ່ານ
26	1A	1	Relay 3	0-1		uint16	ອ່ານ
27	1B	1	Relay 4	0-1		uint16	ອ່ານ
28	1C	1	open collector ctrl		0-3	uint16	ອ່ານ/ຂຽນ	0: off 1: on 2: pwm, pulse continuously 3: pulse, when enough pulse number, ctrl = 0
30	1E	2	counter DI1			uint32	ອ່ານ/ຂຽນ	counter writable, erasable
32	20	2	counter DI2			uint32	ອ່ານ/ຂຽນ	counter writable, erasable
34	22	2	counter DI3			uint32	ອ່ານ/ຂຽນ	counter writable, erasable
36	24	2	counter DI4			uint32	ອ່ານ/ຂຽນ	counter writable, erasable
38	26	2	counter AI1			uint32	ອ່ານ/ຂຽນ	counter writable, erasable, max frequency 10Hz
40	28	2	counter AI2			uint32	ອ່ານ/ຂຽນ	counter writable, erasable, max frequency 10Hz
42	2A	2	counter AI3			uint32	ອ່ານ/ຂຽນ	counter writable, erasable, max frequency 10Hz
44	2C	2	counter AI4			uint32	ອ່ານ/ຂຽນ	counter writable, erasable, max frequency 10Hz
46	2E	2	DI1: time on			uint32	ອ່ານ/ຂຽນ	ວິ
48	30	2	DI2: time on			uint32	ອ່ານ/ຂຽນ	ວິ
50	32	2	DI3: time on			uint32	ອ່ານ/ຂຽນ	ວິ
52	34	2	DI4: time on			uint32	ອ່ານ/ຂຽນ	ວິ
54	36	2	AI1: time on			uint32	ອ່ານ/ຂຽນ	ວິ
56	38	2	AI2: time on			uint32	ອ່ານ/ຂຽນ	ວິ
58	3A	2	AI3: time on			uint32	ອ່ານ/ຂຽນ	ວິ
60	3C	2	AI4: time on			uint32	ອ່ານ/ຂຽນ	ວິ
62	3E	2	DI1: time off			uint32	ອ່ານ/ຂຽນ	ວິ
64	40	2	DI2: time off			uint32	ອ່ານ/ຂຽນ	ວິ
66	42	2	DI3: time off			uint32	ອ່ານ/ຂຽນ	ວິ
68	44	2	DI4: time off			uint32	ອ່ານ/ຂຽນ	ວິ
70	46	2	AI1: time off			uint32	ອ່ານ/ຂຽນ	ວິ
72	48	2	AI2: time off			uint32	ອ່ານ/ຂຽນ	ວິ
74	4A	2	AI3: time off			uint32	ອ່ານ/ຂຽນ	ວິ
76	4C	2	AI4: time off			uint32	ອ່ານ/ຂຽນ	ວິ
128	80	2	counter DI1			uint32	ອ່ານ	counter cannot write, erase
130	82	2	counter DI2			uint32	ອ່ານ	counter cannot write, erase
132	84	2	counter DI3			uint32	ອ່ານ	counter cannot write, erase
134	86	2	counter DI4			uint32	ອ່ານ	counter cannot write, erase
136	88	2	counter AI1			uint32	ອ່ານ	counter cannot write, erase; max frequency 10Hz
138	8A	2	counter AI2			uint32	ອ່ານ	counter cannot write, erase; max frequency 10Hz
140	8C	2	counter AI3			uint32	ອ່ານ	counter cannot write, erase; max frequency 10Hz
142	8E	2	counter AI4			uint32	ອ່ານ	counter cannot write, erase; max frequency 10Hz
256	100	1	modbus address slave	1-247	1	uint16	ອ່ານ/ຂຽນ
257	101	1	modbus baudrate slave 1	0-1	0	uint16	ອ່ານ/ຂຽນ	0:9600, 1:19200
258	102	1	modbus parity slave 1	0-2	0	uint16	ອ່ານ/ຂຽນ	0: none, 1: odd, 2: even

5.2 ປຸ່ມຣີເຊັດ
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:

• ທີ່ຢູ່: 1
• ອັດຕາ Baud: 9600
• Parity: ບໍ່ມີ

5.3 ການປ້ອນຂໍ້ມູນແບບດິຈິຕອລ

ຂໍ້ມູນຈໍາເພາະ:

• 04 channels DI, isolated
• Input Resistance: 4.7 kΏ
• ສະບັບແຍກtage: 5000Vrms
• Logic level 0: 0-1V
• Logic level 1: 5-24V
• ຟັງຊັນ:
• 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 ການປ້ອນຂໍ້ມູນແບບອະນາລັອກ

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

ມູນຄ່າ	Type of AI
0	0-10 V
1	0-20 mA

ປະເພດການປ້ອນຂໍ້ມູນ:

• ວັດແທກລະດັບtage: 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

Input impedance:

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

5.4.1 Read the Analog value
ຄວາມລະອຽດ 12 ບິດ
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
ບໍ່ມີການໂດດດ່ຽວ
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 Relay

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

ການຕັ້ງຄ່າປຸກ:

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

5.6 Pulse Output

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

ການຕິດຕັ້ງ

6.1 ວິທີການຕິດຕັ້ງ

6.2 Wiring with Level Sensor

ການຕັ້ງຄ່າ

7.1 ໜ້າ ຈໍເຮືອນ

ໜ້າ ຈໍ: Switch to 2nd screen with more detailed information
ຕາຕະລາງ: Show Level Alert
ບ້ານ: ກັບໄປທີ່ໜ້າຈໍຫຼັກ
ຕັ້ງຄ່າ. (Default Password: a): Go to Setting Screen
7.2 Setting screen (Default Password: a)
7.2.1 ໜ້າຈໍ 1

ADCs: 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)
ໃນ 1: Enter the ADC value after putting 4 mA / 0 VDC into AI1 for calibration at 0 level
ຂະໜາດ 1: The level value displayed corresponds to the value entered in In 1 (usually 0)
ໃນ 2: Enter the ADC value after putting 20 mA / 10 VDC into AI1 for calibration at Full level
ຂະໜາດ 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 ໜ້າຈໍ 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
ໂມດແຈ້ງເຕືອນ: 0: Level, 1: Volume
Span Volume(Unit): Maximum value of the volume
7.2.3 ໜ້າຈໍ 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 ໜ້າຈໍ 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
ທີ່ຢູ່ 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 ໜ້າຈໍ 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 ໜ້າຈໍ 6

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

ການແກ້ໄຂບັນຫາ

ບໍ່.	ປະກົດການ	ເຫດຜົນ	ວິທີແກ້ໄຂ
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	ເຊັນເຊີຕັດການເຊື່ອມຕໍ່	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

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

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