Introduction to ALSTOM UT150-2
UT150-2 Product Overview
The ALSTOM UT150-2 is a high-reliability local operator unit (LOU), belonging to ALSTOM’s UT150 series and specially designed for Alspa™ series control systems. It serves as a core on-site human-machine interface (HMI) component in power generation and industrial drive systems, enabling operators to directly perform unit start/stop, reset, mode switching, and key parameter viewing near equipment. As a supplement to the central control room DCS/PLC system, it significantly improves emergency response speed and maintenance efficiency. The module features a compact integrated design with a sealed front panel, achieving IP65 protection class to resist moisture, dust, and daily flushing. Equipped with dual redundant communication channels, it ensures uninterrupted local operation even if the main communication link fails. With non-volatile memory, it can record operation logs and alarm events without data loss during power outages, providing valuable information for accident traceability.
UT150-2 Technical Specifications
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Product Model: UT150-2
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Product Type: Local Operator Unit / HMI Module (UT150 Series, for Alspa™ Control Systems)
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Core Functions: On-site unit start/stop, mode switching, parameter adjustment & viewing, alarm acknowledgment & recording, operation log storage, dual-channel communication redundancy, fault self-diagnosis
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Power Supply: 24 V DC ±10% input; Power consumption: <10 W; Built-in voltage stabilization and surge protection
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Display & Input: Monochrome backlit LCD (2 lines × 20 characters); Membrane keyboard (with function keys, numeric keys, direction keys); Backlight for clear reading in low-light environments
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Communication Protocols: Supports Modbus RTU; 2 × isolated RS-485 interfaces; Configurable baud rate: 9600/19200/38400 bps
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Response Performance: Fast menu navigation and operation response; Automatic switching between dual communication channels (switching time <1s)
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Environmental Ratings: Operating temperature: -10°C to +60°C; Storage temperature: -20°C to +70°C; Relative humidity: 5%-95% (non-condensing); Front panel protection class: IP65
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Mechanical & Installation: High-strength engineering plastic housing; Panel-mounted installation (opening size per manual); Compact design for narrow space installation; Easy to disassemble and maintain
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Compatibility: Fully compatible with ALSTOM Alspa™ C300/C600/T100/T200 control systems; Pin-compatible with UT100/UT120 series for plug-and-play upgrade
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Certifications & Protection: CE, IEC 61000-4 EMC certified; Equipped with overcurrent and short-circuit protection; Resistant to electromagnetic interference
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