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HIMA M3421 Power/Control Unit
HIMA M3421
HIMA M3421 is a modular power supply/control unit under HIMA. It adopts a plug-in chassis design, complies with the IEC 61508 safety standard, and can achieve Safety Integrity Level (SIL) 3. This product is mainly used for safety control and power supply in industrial automation systems, featuring high reliability, a compact structure, and fanless heat dissipation.
Main Technical Parameters
| Parameter | Description |
|---|---|
| Input Voltage | Wide-range AC input (compatible with global mains electricity) |
| Output Voltage | 24 V DC (30 V DC safety limit optional) |
| Output Current | 40 A continuously, up to 60 A for short periods |
| Protection Class | IP20 (for DIN rail mounting) |
| Communication Interfaces | Modbus RTU, RS-232/RS-485, Ethernet, etc. |
| Safety Level | Complies with IEC 61508, supports SIL 3 certification |
| Heat Dissipation Method | Fanless, passive heat dissipation design |
Product Features
- High Performance and Reliability: Adopts advanced technologies and materials, ensuring high stability and meeting the requirements of SIL 3 safety level.
- Modular Plug-in Design: The chassis adopts the M3421 plug-in structure, enabling easy installation and commissioning, as well as supporting quick replacement.
- Fanless Heat Dissipation: The passive heat dissipation design reduces maintenance costs and makes it suitable for harsh environments.
- Multiple Communication Interfaces: Compatible with Modbus, RS-232/485, Ethernet, etc., facilitating integration into existing control systems.
- Wide Input Voltage Range: Compatible with different power grids worldwide, enhancing the product’s versatility.
Structure and Composition
- Chassis: A compact chassis for DIN rail mounting, with IP20 protection class.
- Power Module: Internally includes a wide-range AC-DC converter, output filtering, and protection circuits.
- Communication Module: Provides multiple industrial bus interfaces to realize reliable communication with upper-level systems.
- Safety Function Unit: Safety monitoring and fault detection circuits that comply with the IEC 61508 standard.
Typical Application Fields
- Petroleum, petrochemical, and natural gas processing
- Unit protection in power plants and power generation facilities
- Safety interlocking in pharmaceutical and food processing industries
- High-temperature furnace monitoring in metallurgy and steel production
- Other high-risk industrial process control requiring SIL 3 safety integrity
Installation and Maintenance Points
- Installation: Fix the module in a DIN rail cabinet that complies with the IEC 60204-1 standard according to the instruction manual, and ensure the cabinet is well grounded; check the polarity when connecting the 24 V DC power supply and use cables that meet specifications.
- Commissioning: Confirm that the communication lines are well shielded, and conduct functional tests after completing the bus connection with the HIMA safety controller.
- Maintenance: Regularly check the power supply status, heat dissipation condition, and the tightness of wiring connections; in case of faults, contact after-sales service promptly for replacement or repair. The modular design allows for quick component replacement.
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If you would like to learn more about our products and services, please feel free to contact us at any time!
- Sales Manager : Jinny
- Email : sales5@xrjdcs.com
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Global renowned brand cooperation
ABB 丨 GE 丨Allen Bradley 丨 Honeywell 丨 Emerson 丨 Bently Nevada 丨 Westinghouse
Triconex 丨 Foxboro 丨 ICS Triplex 丨 Hima 丨 Schneider 丨 Yokogawa 丨 Woodward
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