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LFSL-301 weighing transmitter

The LFSL-301 weighing transmitter (digital signal RS485 output) can be directly connected to the Wheatstone resistance bridge tension/pressure sensor. The micro voltage analog signal of the sensor is converted into a digital signal through internal signal amplification circuits and AD acquisition circuits. The module's built-in microprocessor supports the calibration algorithm. After calibration operation, real-time weight values can be directly read from the 485 interface. The 485 interface output by the module supports the Modbus RTU protocol.

This product is suitable for various industrial applications such as weighing, batching, and force measurement. The standard Modbus RTU communication protocol allows the module to be easily connected to PLC, DCS, microcomputers, and other equipment as a front-end signal processing module for weighing

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Introduction

The LFSL-301 weighing transmitter (digital signal RS485 output) can be directly connected to the Wheatstone resistance bridge tension/pressure sensor. The micro voltage analog signal of the sensor is converted into a digital signal through internal signal amplification circuits and AD acquisition circuits. The module's built-in microprocessor supports the calibration algorithm. After calibration operation, real-time weight values can be directly read from the 485 interface. The 485 interface output by the module supports the Modbus RTU protocol.
This product is suitable for various industrial applications such as weighing, batching, and force measurement. The standard Modbus RTU communication protocol allows the module to be easily connected to PLC, DCS, microcomputers, and other equipment as a front-end signal processing module for weighing
Structure and dimensions

Parameter

Supply Voltage	9~28VDC
power	＜1W
working current	Depending on the number of external sensors and the supply voltage
working temperature	-40℃~+85℃
humidity	0%~95%（No condensation）
levels of protection	IP65
way to install	Install hole fixation
weight	≈0.25kg
Sensor type	Suitable for all Wasten resistive strain-type sensors
excitation voltage	5VDC±3%，Maximum current is 100mA
drive capability	Four-only 350 Ω sensors
Enter the signal	±11mV
temperature coefficient	≤（读数的0.01%+0.3d）/℃
Nonlinear error	≤0.003%FS
Stable resolution	1/10000
sampling rate	12Hz/50Hz
sample mode	Sigma Delta AD
communication mode	RS485
communicating protocol	MODBUS RTU
Factory parameters	9600 baud rate, 8 data bits, 1 stop bit, no check
Support Porter rate	4800/9600/19200/38400

Process

Retail: Contact customer service - Consult product parameters-Confirm product model-Payment-Logistics shipment-Sign for delivery
Key customers: Contact customer service-Consult industry solutions-Confirm product model parameters-Sign relevant technical contracts-Payment-Logistics shipment-Sign for receipt
After-sales

1. LONGLV provides customers with installation and debugging services, as well as other technical consultations. If necessary, technical personnel can provide on-site technical training. If the customer has any technical questions, the technical personnel will provide a response within 4 hours.
2. LONGLV products are strictly designed and produced in accordance with the ISO9001 international quality system, with a 1-year warranty for sensor products and a 3-year warranty for instrument products, with a 7-day return and exchange policy and lifelong maintenance.
(Human damage is not covered by the warranty, and customized products without quality issues are not returned or replaced.)
3. For returns and exchanges caused by quality issues, Longlv will bear the return and exchange shipping costs. The cost of returns andexchanges for non quality issues will be borne by the customer.
Note: Quality issues refer to customized parameters such as function, size, specifications, and installation method that are not customized according to customer requirements, do not meet functional requirements, have dimensional errors, and have inaccurate accuracy (excluding within the error range).
Customized products require confirmation of drawings by both parties before processing and production. If the product does not meet customer requirements, a written objection must be raised within two weeks. If the customer does not raise an objection within the specified time limit, it will be deemed as qualified acceptance.
If an objection is raised within the deadline and it is confirmed by both parties that it is a product quality issue or production has not been carried out according to the requirements confirmed by both parties, it can be exchanged or refunded. If there are no quality issues and the shipping model andthe contract signed model are complete and correct, no return or exchange service will be provided.
4. The products returned for repair will have a test result issued within 3 working days and the repair will be completed within 7 working days.
After sales consultation
Technical consultation, factory repair, invoices, complaint suggestions, and other related issues. After sales service hotline 021-51601181

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LFSL-301 weighing transmitter