What communication protocols are supported?

The module supports ASCII code and MODBUS RTU communication protocols.

What is the maximum switching current?

The maximum switching current is 2A.

Advanced 4-Channel Relay System with RS485 and RS232 Interface

Name: Advanced 4-Channel Relay System with RS485 and RS232 Interface
Brand: Shenzhen Weijunrui Technology Co.,Ltd
SKU: 2100589492

Guangdong, ChinaShenzhen Weijunrui Technology Co.,Ltd

US$35.33-35.99

2 Pieces

Sample price:US$35.99/piece.Request sample

Product profile

Customization

Available

Certification

FCC

Condition

New

Model NO.

WJ70-485

Working Mode

Continuous

Installation

DIN35 Rail-Mounted

Usage

Paper Machinery, Elevator, Stage Machinery, Machine Tool, Food Machinery, Construction Machinery, Metallurgical Machinery

Power Source

Pneumatic

Features

Support Modbus RTU Communication Protocol

Features1

4-CH Di 4-CH Relay Output

Features2

DIN35 Rail-Mounted

Input Type

Switch Input, 4 Channels (Di0~Di3)

Input Resistance

Communication Response Time

100 Ms Maximum

Advantage

High Reliability, Easy Programming, Easy Applicati

Transport Package

Wayjun

Specification

120 mm x 70 mm x 43mm

Trademark

wayjunr

Origin

Guangdong, China

Production Capacity

99999

Key features

Modbus RTU Protocol Support: Compatible with ASCII and MODBUS RTU protocols for flexible industrial communication.

Triple Isolation Protection: Input, output, and power supply feature 1500VAC three-isolation for high reliability.

Wide Power Supply Range: Operates on 8-32VDC with internal anti-reverse and over-voltage protection.

DIN35 Rail Mounting: Compact 120x70x43mm design fits standard DIN35 rails for easy installation.

Customizable Address and Baud Rate: Address (0-255) and baud rates (2400-38400 bps) set via software.

OEM and ODM Services: Full customization, minor customization, and design-based customization available.

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

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: ≤0.91h

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.