How many modules can connect to one serial port?

Each serial port can connect up to 255 WJ152 series modules on the same RS-485 bus.

Dual-Channel PWM Signal Input Converter for RS485 Modbus RTU

Name: Dual-Channel PWM Signal Input Converter for RS485 Modbus RTU
Brand: Shenzhen Weijunrui Technology Co.,Ltd
SKU: 2213727935

Guangdong, ChinaShenzhen Weijunrui Technology Co.,Ltd

US$13.11-13.99

2 Pieces

Sample price:US$13.99/piece.Request sample

Product profile

Customization

Available

Application

High-performance Transducer

Output Type

RS485

Model NO.

WJ152

Principle of Work

Vector Control Transducer

Switch Mode

PWM Control

Main Circuit Type

Current

Voltage of Power Supply

High Voltage Variable-Frequency Drive

Link of Transformation

AC-AC Variable-Frequency Drive

Nature of DC Power

Voltage Variable-Frequency Drive

Function

Elevator Special

Brand

Wayjunr

Typical Applications

Frequency Detection of PWM

Typical Applications1

Measurement of PWM Signal for Servo Motor

Typical Applications2

PWM Signal Is Transmitted Remotely to The Industri

Typical Applications3

Intelligent Factory and Industrial Internet of Thi

Input Type

2-Channel PWM Signal Input.

Low Level

Input<1V

High Level

Input 3.5~30V

PWM Frequency Range

0-10kHz

Input Resistance

30K ω

Power Consumption

Less Than 1W

Transport Package

Wayjunr

Specification

106 mm x 59mm x 37mm

Trademark

wayjunr

Origin

Guangdong, China

Production Capacity

9999

Key features

Dual-Channel PWM Conversion: Converts two PWM duty cycle signals to RS485 Modbus RTU protocol with frequency and phase difference measurement.

Wide Power Supply Range: Operates reliably on DC voltage from 8V to 32V.

Flexible Communication Protocol: Supports both ASCII command protocol and MODBUS RTU with automatic recognition for PLC and computer integration.

Customizable Communication Settings: Users can program addresses (0-255) and baud rates (2400-115200bps) via code or commands.

Long-Distance Communication: Supports communication networks up to 1200 meters using twisted pair shielded cables.

OEM/ODM Customization: Offers full customization, minor customization, and flexible customization options from samples or designs.

Company profile

Self-brandedHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Shenzhen Weijunrui Technology Co.,Ltd

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.63h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D design, ODM, OEM, SDK, and recent product-development capabilities. It reports raw-material traceability, 100% finished-product inspection, CE certification, in-stock capacity, and stated order fulfillment within 15 working days in both off-peak and peak seasons. However, quality control appears limited to one inspector and packing-staff checks, while formal procedures for supplier assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and its export experience is three years with exports representing 11%–20% of sales. Financial credibility cannot be established because the provided financial fields report zero values. Customer evidence includes OEM service for popular brands and a 50%–80% repeat-buyer rate, but no Fortune 500 cooperation.

CertificationsCE certification is explicitly reported for product compliance with standards. The evidence supports holding at least this certification, but does not establish broader certification coverage.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints, and it lacks overseas warehouses, showrooms, agents, and branches. These are explicit limitations in formal complaint management and overseas service infrastructure.

R&D capabilityThe supplier reports R&D capability, new products launched during the past year, two R&D engineers, ODM services, and an available SDK. These explicit capabilities indicate active product-development and software-related innovation capacity.

Production capacityThe supplier reports in-stock capacity, 100% finished-product inspection, raw-material traceability, and fulfillment within 15 working days in both peak and off-peak seasons. However, only one quality inspector is reported and finished products are checked by packing staff, so the evidence supports operational capacity but reflects a limited documented quality-control structure.

Customization capabilityThe supplier explicitly offers 3D software design, customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services. The range of stated services indicates strong customization breadth.

Client casesThe supplier states that it provides OEM services for popular brands, while reporting no cooperation with Fortune 500 companies. A 50%–80% repeat-buyer rate is also reported, providing evidence of customer retention but not independently detailed customer case references.