Overview
The ABB DI840 (3BSE020836R1) is a 16-channel digital input module in the S800 I/O family, designed for reliable signal acquisition from field devices in distributed control systems. It supports 24 VDC inputs, galvanic isolation, channel diagnostics, and LED indicators for robust operation in mission-critical environments.
The module integrates with ABB AC 800M controllers and System 800xA, supporting both redundant and non-redundant configurations. Its compact design and DIN-rail mounting simplify installation and maintenance.
Technical Data
| Specification | Description |
|---|---|
| Product Type | Digital Input Module |
| ABB Part Number | DI840 / 3BSE020836R1 |
| Dimensions (L × W × H) | 64 × 170 × 58.5 mm |
| Net Weight | 0.25 kg |
| Operating Temperature | –20 °C to +70 °C |
Typical Applications
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Power generation: Monitors turbine sensors, excitation systems, and auxiliary equipment.
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Process industries: Acquires signals from switches, limit sensors, and interlocks in chemical, oil & gas, and pharmaceutical plants.
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Water treatment facilities: Reads pump status, valve positions, and monitoring equipment signals.
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Manufacturing automation: Captures inputs from robotic systems, conveyors, and machine interlocks.
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Infrastructure systems: Used in building automation and utility monitoring networks.
Example:
In a steel plant, the DI840 collects digital signals from limit switches and safety interlocks, ensuring rapid control system response to protect machinery and personnel.
FAQ
Q1: What is the ABB DI840 used for?
It is a digital input module that acquires 24 VDC signals from field devices.
Q2: How many channels does it provide?
16 digital input channels.
Q3: Does it support redundancy?
Yes, it supports redundant configurations with AC 800M controllers.
Q4: What diagnostics are available?
LED indicators and error detection for each channel.
Q5: Which ABB systems are compatible?
System 800xA, AC 800M controllers, and S800 I/O modules.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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