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Current Input/Voltage Input Analog Signal to RS-485/232 Modbus RTU Communication Protocol
US$55.89-58.99
2 Pieces
Sample price:US$58.99/piece.Request sample

Product profile

Customization

Available

Conductive Type

Bipolar Integrated Circuit

Input Type

Differential

Model NO.

WJ21

Integration

GSI

Operating Temperature

-40℃ - 85℃

Resolution

12 Bit

Shape

DIP

Technics

Semiconductor IC

Communication Response Time

100 Ms Maximum

Power Supply

+8 ~ 32VDC

Power Loss

Less Than 1W

Operating Temperature1

- 45 ~ +80 ℃

Humidity

10 ~ 90% (No Condensation)

Storage Temperature

- 45 ~ +80 ℃

Storage Humidity

10 ~ 95% (No Condensation)

Isolation Voltage

Which Output Signal and Power

Transport Package

Wayjunr

Specification

120mm x 70mm x 43mm

Trademark

wayjunr

Origin

Guangdong, China

Production Capacity

9999

Key features

12-Bit High Precision: 12-bit AD converter with testing accuracy greater than 0.1%.
Triple Port Isolation: 3000VDC isolation between input, output, and power supply for high reliability.
Wide Power Supply Range: Operates on 8~32VDC power supply with power loss less than 1W.
Flexible Input Signals: Supports 0-5V, 0-10V, 4-20mA, and other custom voltage/current signals.
Modbus RTU Protocol: Supports Modbus RTU and ASCII command protocols for easy integration.
DIN Rail Mounting: Standard 120mm x 70mm x 43mm size designed for DIN35 rail installation.
Programmable Settings: Users can program address, baud rate, and calibration via RS-485/232.

Company profile

Shenzhen Weijunrui Technology Co.,Ltd
Self-brandedHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery
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: ≤1.65h

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.

Product Q&A

Q:How to contact you?
A:
Please contact us via email or online customer service
Q:What is the maximum communication distance?
A:
The maximum communication distance is up to 1200 meters using twisted-pair shielded cable.
Q:Can the baud rate be changed?
A:
Yes, the baud rate can be set via code to 2400, 4800, 9600, 19200, or 38400 bps.
Q:How many modules can connect to one bus?
A:
Each serial interface can connect up to 255 WJ21 Series modules.
Q:Is OEM or ODM service available?
A:
Yes, OEM and ODM services are available including customization from samples and designs.

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