Description
The ABB DSTDN021V1 (3BNP015174R1) is a high-performance Digital Input Module designed for the ABB Symphony Plus and Harmony INFI 90 distributed control systems. This module is engineered to monitor and process multiple digital input signals from the field, converting them into reliable data for the control system. With its advanced design, it provides high signal integrity, galvanic isolation, and fault detection, making it a critical component for maintaining precise control and safety in complex industrial processes such as power generation, water treatment, and chemical processing.

Product Specifications
📍 Product Series: ABB Symphony Plus / Harmony
⚖️ Weight: 0.85 kg
📏 Dimensions: 260 mm x 175 mm x 30 mm
🌍 Country of Origin: Germany / USA
⚡ Input Voltage: 24 V DC nominal
🔄 Signal Type: Digital Input (DI)
🛡️ Protection Class: IP20
🌡️ Operating Temperature: 0°C to +70°C
🏗️ Mounting Type: Rack-mounted (I/O Station)
🔌 Compatibility: Harmony Rack I/O (RIO)
Recommended Models in the Same Series
🔍 DSTDN022V1: 32-channel digital input module
🔍 DSTDX100: Digital output module for control tasks
🔍 DSTDN001: Standard 16-channel digital input board
🔍 DSTAI02: Analog input module for voltage/current sensing
🔍 DSTAO02: Analog output module for actuator control
🔍 IMDSI12: Harmony digital slave input module
🔍 IMDSO14: Harmony digital slave output module
🔍 DSDIO11: Digital I/O combination module
🔍 DSDIO12: High-density digital I/O interface
🔍 DSTDN041: Enhanced performance digital input board
At Newplcdcs, we specialize in providing high-quality spare parts for Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC). Our comprehensive product portfolio includes parts from approximately 20 leading brands, such as ABB, Bently Nevada, Honeywell, GE, Yokogawa, Allen Bradley, Foxboro, Ovation, Hima, Emerson, Triconex, Woodward, ICS Triplex, Bachmann, and Schneider. This focused expertise allows us to offer in-depth solutions in the automation sector, setting us apart from many competitors and ensuring we deliver the most advanced and reliable products to our clients.
Contact Information
Frequently Asked Questions
Is our price competitive?
Newsplcdcs collaborates with over 50 countries worldwide. as a leading supplier in china, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% t/t (telegraphic transfer) before shipping. for items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. if you have an agent in china, please contact us for rmb transfer.
What shipping methods do we use?
We primarily utilize carriers such as fedex, dhl, ups, bre, etc. if you have an account with any of these carriers, you can arrange the shipping yourself. additionally, we offer free shipping to china freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. for items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. initially, the product is placed in its original box, sealed with a label. then, we add a layer of bubble wrap to safeguard against collisions during transportation. finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, whatsapp, wechat, skype, or any preferred communication platform. simply reach out to us, and we’ll promptly provide a quote tailored to your needs.