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Product Overview
The ABB DO571 (Part Number: 1TNE968902R2202) is a Digital Output (DO) module designed to deliver high-speed, high-reliability switching capabilities for industrial automation systems. This module belongs to ABB’s proven Advant Controller 31 or S800 I/O system portfolio and is widely adopted in distributed control systems (DCS), factory automation, and process industries where accuracy, fault tolerance, and scalability are critical.
Featuring 16 digital output channels, each channel on the DO571 is capable of sourcing 24 V DC signals. The module is designed to switch electrical loads such as indicator lamps, solenoids, contactors, and small relays. It comes with short-circuit protection, overload detection, and channel status diagnostics, making it a robust choice for controlling field devices under demanding conditions.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Name | DO571 |
| Part Number | 1TNE968902R2202 |
| Product Type | Digital Output Module |
| System Compatibility | Advant Controller 31, S800 I/O |
| Number of Output Channels | 16 |
| Output Type | Sourcing (PNP) |
| Nominal Output Voltage | 24 V DC |
| Voltage Range | 18–30 V DC |
| Maximum Output Current | 0.5 A per channel |
| Short Circuit Protection | Yes |
| Output Delay Time | < 1 ms |
| Load Type | Resistive, inductive |
| Channel Isolation | Channel-to-bus isolated |
| Diagnostics | Channel fault and status LEDs |
| Internal Power Consumption | Approx. 3 W |
| Connection Type | Screw terminals / DIN rail mountable |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Protection Class | IP20 |
| Dimensions (W x H x D) | 75 x 135 x 34 mm |
| Weight | 0.138 kg |
| Certifications | CE, UL, cUL, RoHS |
Product Applications
The ABB DO571 module is engineered for use in environments where precise digital control output is essential. Common application sectors include:
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Distributed Control Systems (DCS) in process industries like oil & gas, water treatment, and chemicals.
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Factory Automation for activating actuators, motors, lamps, and output devices.
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Energy and Utilities for switching control signals to valves, circuit breakers, or alarms.
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Infrastructure Projects such as intelligent building systems and transportation signal controls.
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Food and Beverage manufacturing environments, where reliable, fast, and hygienic automation is key.
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Metals & Mining for rugged output control in environments with high electrical noise.
Product Advantages
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Robust Output Control: Each channel delivers consistent 24 V DC output with fault detection and protection.
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High Channel Density: 16 outputs in a compact footprint save valuable control cabinet space.
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Status Diagnostics: Built-in LEDs for each channel make troubleshooting fast and effective.
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Fault Tolerance: Short-circuit and overload protection for safer operation in harsh conditions.
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Flexible Integration: Works seamlessly with ABB’s Advant Controller 31 and S800 systems.
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DIN Rail Mounting: Easy installation in standard industrial enclosures.
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Reliable Isolation: Isolated outputs provide better protection and signal integrity.
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Compliance Certified: Meets major international standards for industrial environments.
Latest Industry Headlines Featuring DO571
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ABB Expands Its Digital Output Portfolio for S800 Series
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New DO571 Enables Faster and Safer Automation in Chemical Plants
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ABB’s Modular I/O Sees Strong Growth in Infrastructure Projects
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ABB DO571 Now Certified for Energy Sector Installations
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ABB Enhances Short-Circuit Protection in Digital Output Modules
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Factory Upgrades Go Live with ABB DO571 I/O Modules
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S800 I/O Modules Deployed in Major Oil Refinery Expansion
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ABB DO571 Chosen for Smart Metro Signaling System
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Customer Success Story: DO571 in Brewery Automation
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ABB’s DO571 Recognized for Long Lifecycle and Industrial Versatility
Frequently Asked Questions (FAQ)
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Q: What kind of output type does the DO571 support?
A: It supports PNP-type sourcing digital outputs operating at 24 V DC. -
Q: Is short-circuit protection built into the module?
A: Yes, the module includes built-in short-circuit and overload protection per channel. -
Q: Can DO571 be mounted on a DIN rail?
A: Absolutely. It is designed for standard DIN rail mounting for ease of installation. -
Q: Is the DO571 compatible with ABB’s AC500 series?
A: No, it is primarily designed for the Advant Controller 31 and S800 I/O platforms. -
Q: How many outputs are available on the module?
A: The DO571 provides 16 digital output channels. -
Q: Does the module support channel-level diagnostics?
A: Yes, each channel has a diagnostic LED for status and fault indication. -
Q: What’s the maximum current that each output can handle?
A: Each channel can source up to 0.5 A. -
Q: What kind of loads can it switch?
A: It is suitable for resistive and inductive loads like solenoids, contactors, and lamps. -
Q: Is the output galvanically isolated?
A: Yes, the channels are electrically isolated from the logic bus. -
Q: What standards does the DO571 comply with?
A: It meets CE, UL, cUL, and RoHS industrial certifications.
Related Models (Same Series or Functionality)
| Model | Description | Outputs/Inputs | System | Output Type |
|---|---|---|---|---|
| DO570 | 8-ch Digital Output Module | 8 Outputs | Advant Controller 31 | Source (PNP) |
| DI571 | 16-ch Digital Input Module | 16 Inputs | Advant Controller 31 | Sink (NPN) |
| DO573 | 32-ch Digital Output High-Density Module | 32 Outputs | S800 I/O | Source |
| DX571 | 8-ch DI + 8-ch DO Combined Module | 8 In / 8 Out | Advant Controller 31 | Mixed |
| AI571 | Analog Input Module (8 channels) | 8 Inputs | S800 I/O | 0–10 V / 4–20 mA |
| AX571 | Analog Output Module (4 channels) | 4 Outputs | S800 I/O | 0–10 V / 4–20 mA |
| CI570 | Communication Interface for Advant | 4 Outputs | Advant Controller 31 | 0–10 V / 4–20 mA |
| DO574 | Relay Output Module (8 Channels) | 8 Outputs | S800 I/O | Relay |
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