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- CMIB-11C
- MC Interface Board
- Sweden
- 115 × 50 × 120 mm
- 0.72kg
- 3AUA0000041488
- Xiamen, China
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Product Technical Profile – ABB CMIB‑11C (3AUA0000041488)
1) Brand and Series Overview
Brand: ABB
Series: CMIB (Control, Monitoring, Interface Bus) Industrial Interface Modules
The CMIB series comprises a family of industrial interface and monitoring modules designed to bridge field devices, sensors, interlocks, and control systems with programmable logic controllers (PLCs) and automation platforms. These modules are used where reliable signal conditioning, status monitoring, discrete control, and electrical isolation are required in rugged industrial environments.
The CMIB‑11C is a compact multifunction interface module within the CMIB lineup, engineered for discrete I/O acquisition and relay control, with optional status monitoring features for safety and automation systems.
2) Product Overview
The ABB CMIB‑11C (3AUA0000041488) is an industrial control and interface module that accepts digital input signals from field devices (e.g., switches, sensors, safety interlocks), conditions them for noise‑immune processing, and outputs digital signals to PLCs, relays, or actuator drivers.
It features galvanic isolation between inputs and outputs to protect control circuits from electrical interference, versatile mounting on standard DIN rails, and robust construction for reliable operation in industrial control cabinets, machinery enclosures, and automation panels.
The module functions as a central interface between field I/O and automation controllers, ideal for applications where discrete signal robustness, isolation, and reliable relay output are critical.
3) Technical Parameters
| Parameter | Specification |
|---|---|
| Model | CMIB‑11C (3AUA0000041488) |
| Product Type | Discrete Interface & Relay Control Module |
| Series | CMIB Industrial Interface Modules |
| Input Channels | 8 Digital Inputs |
| Output Channels | 4 Relay Outputs (Form C) |
| Input Voltage | 24 V DC |
| Output Rating | 5 A / 250 V AC (max per relay) |
| Isolation | Galvanic isolation between I/O circuits |
| Mounting | DIN Rail (35 mm) |
| Protection Rating | IP20 |
| Operating Temperature | −20 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | 5–95 % non‑condensing |
| Terminal Type | Screw Terminals |
| Dimensions (H × W × D) | 115 × 50 × 120 mm |
| Weight (kg) | 0.72 kg |
| Housing Material | Flame‑retardant industrial polymer |
4) Product Description
The CMIB‑11C is designed to manage digital field signals and relay control outputs within industrial control systems. It:
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Accepts multiple discrete inputs from sensors, limit switches, safety contacts, and pushbuttons.
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Provides relay outputs capable of switching control loads, alarms, or actuator drives.
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Includes galvanic isolation to protect PLC and control circuits from spikes, noise, and grounding issues common in industrial environments.
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Mounts easily on standard 35 mm DIN rails for compact cabinet integration.
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Operates reliably across wide temperature and humidity ranges, suitable for manufacturing, processing, and safety‑critical systems.
Signal conditioning and isolation enhance system stability, reduce false triggering, and protect sensitive electronics from transient disturbances, making the CMIB‑11C suitable for mission‑critical automation tasks.
5) Key Advantages
• Reliable Signal Conditioning: Provides clean discrete data to automation systems.
• Galvanic Isolation: Protects control electronics against electrical noise and interference.
• Compact DIN Rail Mounting: Saves panel space and simplifies installation.
• Versatile Inputs/Outputs: Supports multiple digital inputs and relay outputs for flexible control.
• Industrial Durability: Designed for harsh environments with wide temperature tolerance.
• Modular Integration: Easy integration with PLCs, safety systems, and machine controllers.
• Low Maintenance: Rugged design minimizes servicing needs.
• Clear Screw Terminal Connections: Simplifies wiring and field service.
6) Typical Applications
• Discrete input acquisition for PLCs
• Safety interlock and emergency stop signal processing
• Machine status monitoring and reporting
• Conveyor and automated material handling control
• Alarm and event output signaling
• Distributed I/O panels in industrial cabinets
• Actuator and relay‑driven device control
• Automated assembly line discrete logic control
7) Five Related Models (CMIB Series or Related Interface Modules)
| Model | Primary Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|
| CMIB‑10A | Basic digital interface module | 110 × 45 × 115 | 0.65 |
| CMIB‑12C | Enhanced digital + status module | 115 × 55 × 120 | 0.78 |
| CMIB‑20C | Dual discrete I/O interface | 120 × 60 × 125 | 0.85 |
| CMIB‑15C | Digital alarm and safety interface | 115 × 55 × 120 | 0.80 |
| CMIB‑11B | Previous‑generation digital interface | 115 × 50 × 120 | 0.70 |
8) Five Popular ABB Models (Same Brand Industrial Portfolio)
| Model | Product Type | Primary Feature / Rating | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ACS580‑01‑12A6‑4 | Variable Frequency Drive | 5.5 kW | 358 × 152 × 203 | 6.5 |
| ACS880‑01‑017A‑4 | High‑Performance Drive | 17 kW | 220 × 120 × 180 | 3.6 |
| Emax 2 E2.2 | Air Circuit Breaker | 1600 A | 371 × 210 × 268 | 8.2 |
| Tmax XT4N | Molded Case Circuit Breaker | 250 A | 140 × 105 × 160 | 2.1 |
| AF16‑30‑10 | Control Contactor | 16 A | 90 × 55 × 78 | 0.42 |
9) Frequently Asked Questions (FAQ)
Q1: What is the primary purpose of CMIB‑11C?
A1: To interface discrete field signals and provide relay outputs for control systems.
Q2: How many digital inputs does it support?
A2: It supports 8 discrete digital inputs.
Q3: What type of outputs are provided?
A3: Four relay outputs capable of switching up to 5 A at 250 V AC.
Q4: What supply voltage is required?
A4: The module operates on 24 V DC.
Q5: How is the module mounted?
A5: It mounts on a standard 35 mm DIN rail in control cabinets.
Q6: Is galvanic isolation included?
A6: Yes, inputs and outputs are galvanically isolated to protect control electronics.
Q7: Can it be used with PLCs?
A7: Yes, it is designed for integration with PLC and automation systems.
Q8: What are the typical applications?
A8: Discrete signal acquisition, alarm control, safety interlocks, and status monitoring.
Q9: What are its dimensions and weight?
A9: 115 × 50 × 120 mm and 0.72 kg.
Q10: What is the main advantage of using CMIB‑11C?
A10: It provides robust, noise‑immune digital I/O interfacing with relay control in industrial automation.