How is the product packaged?

Small capacity items use cartons. Large capacity items use honeycomb cartons, pallets, or wooden cases for protection.

What certifications does the product have?

The product is certified with RoHS, ISO 9001, CE, and SGS.

What is the monthly production capacity?

Our monthly capacity can reach near 500-3000pcs for most of our models.

Rtc-E1, RS485 Communication Expansion Card, Supports 2-Way RS485 Communication, Rtc Clock Expansion Card. Cotrust

Name: Ctsi-485/485/Rtc-E1, RS485 Communication Expansion Card, Supports 2-Way RS485 Communication, Rtc Clock Expansion Card. Cotrust
Brand: Cotrust Technologies Co., Ltd.
SKU: 2315783175

Guangdong, ChinaCotrust Technologies Co., Ltd.

US$20.00-40.00

1 Piece

Product profile

Customization

Available

Task

Program

Structure

Combination

Model NO.

CTSI-485/485/RTC-E1

Signal

Continuous

Function

Automatic Control

Certification

RoHS, ISO: 9001, CE

Condition

New

Customized

Weight

0.05kg

Hardware Interface

2*RS485

Clock Accuracy

120 Seconds/Month

Isolation Method

Isolated

Transport Package

CTN

Trademark

COTRUST

Origin

China

HS Code

8537101101

Production Capacity

5, 000 Pieces/Year

Key features

Customized Service: Supports OEM/ODM with custom logo and model number requirements.

Dual Protocol Support: Supports Modbus RTU master/slave and CANopen protocols with up to 32 slaves.

Reliable RTC Function: Features a replaceable CR2032 battery with a 3-year lifespan and 120s/month accuracy.

Flexible Isolation: Isolated design with controllable termination resistor via DIP switch.

Fast Sample Delivery: Sample orders delivered within 3-5 working days; general orders in 7-15 days.

Global Certifications: Certified with ISO9001, CE, RoHS, and SGS for quality assurance.

High Production Capacity: Monthly capacity reaches 500-3000pcs for most models.

Multiple Payment Options: Accepts TT, LC, Western Union, and PayPal for flexible transactions.

Company profile

Cotrust Technologies Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2008-10-01 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.17h CertifiedTerms of Payment: T/T

AI-Powered supplier vetting

SummaryCOTRUST Technologies Co., Ltd. is a China-based industrial automation supplier founded in 2003, with stated manufacturing, research and development, and sales activities. Its product scope includes PLCs, HMI, servo drives, frequency converters, dedicated control systems, and automation software. Evidence indicates five production lines, stated PLC productivity of 500,000 pieces, and delivery within 15 working days in both off-peak and peak seasons. The company reports ISO 9001 and HSE certifications, 79 patented products or technologies with certificates, more than 30 trademarks, and 50 years of combined R&D engineer experience. Its solution-oriented offerings cover intelligent equipment, robotics, industrial Internet, new energy vehicles, and smart factories. However, the provided information does not sufficiently establish after-sales service arrangements, financial credibility, customization execution, or detailed customer case outcomes.

Supplier typeThe supplier is identified as Cotrust Technologies Co., Ltd., a China-based limited company in Guangdong, and is described as a manufacturer/factory dedicated to R&D, manufacturing, and sales of industrial automation control products. One record also classifies the company nature as a trading company, creating a classification inconsistency, although the manufacturer/factory designation and manufacturing description provide explicit evidence of manufacturing activity.

CertificationsCOTRUST explicitly reports ISO 9001 and HSE management-system certifications. These certifications support the presence of formal quality and safety management practices.

R&D capabilityCOTRUST reports allocating 10% of revenue and 40% of employees to R&D, holding more than 30 trademarks and 79 certified patents, and employing R&D engineers with 50 years of total experience. Its described offerings include industrial automation, robotics, industrial Internet, smart factories, proprietary software, remote solutions, and multi-robot cooperative control, providing explicit evidence of innovation activity.

Production capacityThe supplier reports five production lines and PLC productivity of 500,000 pieces, with delivery within 15 working days in both off-peak and peak seasons. These stated capacity and lead-time indicators support a positive assessment of production capability, although the slices do not independently verify the figures.

Product Q&A

Q:What is the warranty period?

The product comes with a 3-year lifespan for the RTC battery, which is replaceable. For other mechanical or electronic defects, please refer to the specific warranty terms provided with the order.

Q:What communication protocols are supported?

The card supports Modbus RTU master/slave function and CANopen protocol (up to 32 slaves). It also supports free port protocol.

Q:Can I customize the logo or model number?

Yes, we accept OEM services. Please provide a high-resolution JPG logo with at most two colors and no gradient effect, along with your own model numbers.

Q:What is the delivery time for orders?

Sample orders take 3-5 working days. General orders take 7-15 working days. Large orders take up to 45 working days.

Q:What are the available payment terms?

We accept T/T, L/C, Western Union, and PayPal.