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- ABB
- CI531
- Communication Module
- Sweden
- 120 mm × 180 mm × 60 mm
- 1.5kg
- 3BSE003825R1
- Xiamen, China
- New & In Stock
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ABB CI531 (3BSE003825R1) — Detailed Product Specification, Introduction, Applications, and FAQ
Product Overview
The ABB CI531 (3BSE003825R1) is an industrial communication interface and I/O integration module designed for reliable signal acquisition and data exchange between field devices and control systems in automation environments. It enables seamless connectivity for analog and digital signals, supporting real‑time data transmission and control within medium to large industrial systems. The CI531 is engineered for stability, durability, and accuracy in demanding conditions, making it suitable for process automation, energy management, and machine control.
This module is part of a broader family of communication modules used in distributed control systems (DCS), programmable logic controllers (PLC), and supervisory control systems. It bridges physical sensor and actuator signals with higher‑level logic and monitoring functions, facilitating efficient automation workflows and improved process visibility.
Brand and Product Series
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Brand: ABB
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Product Series: CI Communication Interface Modules
The CI series offers a set of modules that support multiple signal types and communication interfaces for industrial automation. Modules in this series vary in I/O count, signal types, and communication features, providing flexible options to meet diverse automation challenges.
Product Introduction
The CI531 module integrates analog and digital inputs/outputs and serves as a communication interface in industrial control architectures. It is typically used to interface sensors, transducers, switches, and other field devices to control and monitoring systems. The CI531 supports standardized signal conditioning, data transfer, and diagnostics.
Built for industrial environments, the CI531 includes protections against electrical noise, temperature changes, and mechanical vibration. The module also features LED indicators for power, I/O activity, and fault conditions, assisting technicians in setup and maintenance activities.
The CI531’s modular form factor allows it to be installed on DIN rails or within modular racks, offering flexibility in how it is deployed in control cabinets or distributed remote I/O nodes.
Applications
Process Automation Systems
CI531 acquires data from field instruments such as pressure, temperature, level, and flow sensors, sending the information to controllers (PLCs or DCS) for real‑time process control and optimization.
Machine and Factory Automation
The module interfaces with machinery sensors, safety interlocks, and actuator signals to support automated production lines, motion control, and diagnostics.
Energy Management and Monitoring
In energy systems, CI531 collects signals from meters and measurement devices, facilitating load monitoring, power quality assessment, and integration with energy management platforms.
Building and Facility Automation
CI531 supports HVAC, environmental monitoring, security systems, and facility control systems by acquiring environmental sensors, door contacts, and related I/O.
Test and Research Systems
The module is suitable for multi‑channel data acquisition in laboratory systems and industrial test benches where reliable signal acquisition is essential.
Product Advantages
Multi‑Signal Integration
Supports a mix of analog and digital inputs/outputs, reducing the need for multiple single‑purpose modules.
Industrial Durability
Designed to withstand harsh environmental conditions including electrical noise, temperature swings, and vibration.
High Reliability
Provides stable data acquisition and communication between devices and controllers without loss or delays.
Modular and Flexible Design
The DIN rail and rack‑mount compatibility allow flexible panel configurations and easy scalability.
Visual Diagnostics
LED indicators for power, I/O activity, and fault states simplify on‑site diagnostics and reduce maintenance time.
Technical Specifications
| Specification | Details |
|---|---|
| Model | CI531 (3BSE003825R1) |
| Module Type | Communication Interface and I/O Integration Module |
| Digital Inputs | 16 inputs |
| Digital Outputs | 8 outputs |
| Analog Inputs | 8 analog input channels |
| Analog Outputs | 4 analog output channels |
| Supported Signal Types | Voltage: 0–10 V, ±10 V; Current: 4–20 mA, 0–20 mA |
| Resolution | 16‑bit |
| Sampling Time | ~20 – 30 ms per channel |
| Communication Protocols | Standard industrial interface protocols |
| Power Consumption | 8.5 W |
| Operating Temperature | –20 °C to +60 °C |
| Storage Temperature | –40 °C to +85 °C |
| Isolation | Channel‑to‑system isolation |
| Dimensions (H×W×D) | 120 mm × 180 mm × 60 mm |
| Weight (kg) | 1.50 kg |
| Mounting Method | DIN rail / Modular rack |
| Status Indicators | Power, I/O activity, fault LEDs |
Related Models — Same Series or Similar Function
| Model | Digital Inputs | Digital Outputs | Analog Inputs | Analog Outputs | Power (W) | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| CI501 | 8 | 4 | 4 | 2 | 6.0 | 100 × 140 × 55 | 1.10 |
| CI502 | 12 | 6 | 6 | 3 | 8.0 | 120 × 160 × 60 | 1.25 |
| CI503 | 16 | 8 | 8 | 4 | 9.0 | 140 × 180 × 70 | 1.45 |
| CI504 | 24 | 12 | 12 | 6 | 10.0 | 150 × 200 × 80 | 1.80 |
| CI510 | 32 | 16 | 16 | 8 | 12.0 | 180 × 220 × 85 | 2.30 |
Other Popular Models — Same Brand
| Model | Function | Channels/Outputs | Resolution/Type | Power (W) | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| DI810 | Digital Input Module | 16 digital inputs | Digital | 2.0 | 90 × 120 × 25 | 0.32 |
| DO810 | Digital Output Module | 16 digital outputs | Digital | 2.0 | 90 × 120 × 25 | 0.33 |
| AI820 | Analog Input Module | 12 analog inputs | 16‑bit | 3.0 | 90 × 120 × 40 | 0.50 |
| AO820 | Analog Output Module | 12 analog outputs | 16‑bit | 3.0 | 90 × 120 × 40 | 0.50 |
| BCU‑12 | Control/Interface Module | Multi I/O | Digital/Analog | 10.0 | 140 × 180 × 70 | 2.10 |
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the CI531 module?
A1: CI531 is an interface and I/O integration module that enables the collection and communication of analog and digital signals between field devices and automation control systems.
Q2: How many digital inputs are provided on CI531?
A2: The module has 16 digital input channels.
Q3: How many analog output channels does the CI531 support?
A3: CI531 supports 4 analog output channels.
Q4: What resolution does the module use for analog signals?
A4: Analog channels on CI531 use a 16‑bit resolution for high precision.
Q5: What types of input signals can CI531 process?
A5: It supports standard industrial voltage inputs (0–10 V and ±10 V) and current inputs (4–20 mA and 0–20 mA).
Q6: What is the operating temperature range for CI531?
A6: The operating temperature range is –20 °C to +60 °C.
Q7: What are the physical dimensions of CI531?
A7: The dimensions are 120 mm × 180 mm × 60 mm.
Q8: How much does the CI531 module weigh?
A8: It weighs approximately 1.50 kg.
Q9: Does CI531 provide any diagnostics?
A9: Yes, built‑in LEDs indicate power status, I/O activity, and fault conditions.
Q10: Can CI531 be scaled into larger automation systems?
A10: Yes, CI531 integrates with other communication and control modules for scalable system architectures.