The ABB MM21 is a multi-purpose analog input and control module engineered for integration into Contronic E and Contronic 3 process control systems. It manages signal conditioning, analog data acquisition, and control processing in real time. The MM21 supports complex logic control strategies, making it suitable for demanding industrial environments where accurate and reliable control is essential.
Its compact and modular design allows for seamless integration with other ABB Contronic modules, facilitating easy system expansion and maintenance. The module is equipped with LED indicators and diagnostic features to support operational monitoring and fault detection, reducing system downtime.
Phone Number
+8618030175807

Technical Specifications
| Specification | Detail |
| Model | ABB MM21 / H&B Contronic MM 21 |
| Function | Analog Input/Control Module |
| Input Channels | Multiple analog input channels |
| Resolution | 12-bit or higher |
| Operating Voltage | 24V DC |
| Mounting | DIN rail or modular rack mounting |
| Communication | Proprietary Contronic bus |
| Diagnostic Features | Status LEDs, error codes |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -20°C to +70°C |
Key Features

- Analog Signal Processing: Designed to accept and process multiple analog input signals with high precision.
- Closed-loop Control: Enables feedback-based control for stable and consistent process performance.
- Modular Design: Easily integrates into existing Contronic systems for upgrades or replacements.
- Reliable Operation: Built for continuous use in harsh industrial environments with high reliability.
- Compatibility: Fully compatible with legacy H&B Contronic systems, ensuring seamless integration.
- Status LEDs: Built-in visual indicators for easy system monitoring and diagnostics.
- Low Maintenance: Requires minimal maintenance due to durable construction and robust components.
- Field-Proven Technology: Widely used in power plants, refineries, and processing plants worldwide.
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Inventory Stock
| ABB | YPQ104A YT204001-CV | ABB | CI540 3BSE001077R1 |
| ABB | YPQ110A 3ASD573001A5 | ABB | CI590 3BHT340092R1 |
| ABB | YPQ202A YT204001-KB | ABB | CI610 3BHT300003R1 |
| ABB | YPR201A YT204001-KE | ABB | CI615 3BHT300024R1 |
| ABB | YT296000-MZ YXU149B YXU 149B | ABB | CI626A 3BSE005023R1 |
| ABB | YXE152A YT204001-AF | ABB | CI626V1 3BSE012868R1 |
| ABB | YXI115B YT204001-AL | ABB | CI630 3BSE011000R1 |
| ABB | YXM187D 3ASD510001C16 | ABB | CI680 3BSE007364R1 |
| ABB | YXO116 4890024-LC | ABB | CI801 3BSE022366R1 |
| ABB | YXO124 4890024-LF | ABB | CI810V2 3BSE013224R1 |
| ABB | YXO126 4890024-UN YXO 126 | ABB | CI830 3BSE013252R1 |
| ABB | YXT115B 4890024-NK | ABB | CI840 3BSE022457R1 |
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+8618030175807(Phone)




