Press
Investors
Careers
Contact

FAQ

Home >
Services Support >
FAQ >

Solutions

Automotive and eMobility Banking and Retail Chemical and Natural Resources Commercial and Industrial Buildings Data Centers Electronics Food and Beverages Healthcare Logistics and Warehouse Machinery Power and Grid View all

Products

Components Power and System Fans and Thermal Management Mobility Industrial Automation Building Automation Data Center Telecom Infrastructure Energy Infrastructure Biomedical Display and Visualization

Company

About Delta Our Businesses Executives Innovation Insights & Stories Milestones & Awards Global Operations

Investors

Chairman's Statement Financials Corporate Governance General Shareholders' Meeting Analyst Meeting Contact Material Information of overseas exchangeable bonds

Service Support

Download Center FAQ Delta’s Sales and Purchase T&Cs Product Cybersecurity Vulnerability Management Policy

Privacy Policy Data Collection Terms of use Product Cybersecurity Advisory

© 2026 Delta Electronics, Inc. All Rights Reserved.

FAQ

How do you communicate with CTA4000D/CTA4001D?

CTA4000D/CTA4001D supports standard Modbus ASCII/RTU communication, and therefore communication with CTA4000D/CTA4001D is via RS-485.

SupportCard-Image

Contact Us

Have a question? We'd love to hear from you.