MAE99-04 ALSTOM DCS 8-channel interface isolation unit

• Brand
  ALSTOM
• Model
  MAE99-04
• Product Name
  Interface Isolation Unit
• Dimensions
  300 mm*150 mm*50 mm(W*H*D)
• Weight
  2.0 kg
• Protection
  IP20
• Operating Temperature
  20°C to +70°C
• Storage Temperature
  40°C to +85°C
• Relative Humidity
  5%–95%
• Power Supply
  24 V DC
• Power Consumption
  Max. 12 W
• Origin
  France

ALSTOM MAE99-04 Product Introduction & Technical Specifications

Physical Specifications

Dimensions: 300 mm*150 mm*50 mm(W*H*D)

Weight: 2.0 kg

Housing: Rugged industrial-grade green PCB assembly with terminal blocks

Mounting: Standard 19-inch rack mounting, compatible with ALSTOM DCS racks

Protection: IP20

Electrical Parameters:

1.Power Supply: 24 V DC (typical range: 18–32 V DC)

2.Power Consumption: Max. 12 W

3.Interface: 8-channel isolated serial I/F (RS-485/RS-232 compatible)

4.Isolation Voltage: 2.5 kV AC (channel-to-channel and channel-to-system)

5.Baud Rate: 9.6 kbps to 1 Mbps (configurable)

6.Signal Levels: TTL/CMOS compatible, differential signaling support

Key Features & Functions：

1.8-Channel Isolation: Provides full electrical isolation for 8 independent serial communication channels

2.Signal Conversion: Supports RS-232 to RS-485 signal level conversion and isolation

3.Data Integrity: Ensures noise-free data transmission in harsh industrial environments

4.Ground Loop Protection: Eliminates potential differences and ground loop issues between connected devices

5.Compatibility: Seamless integration with ALSTOM Alspa, Converteam, and third-party DCS/PLC systems

6.Diagnostics: Built-in LED status indicators for power, communication, and fault detection

7.Hot-Swap Support: Designed for safe installation/removal without system shutdown (in compatible racks)

Core Advantages：

1.High Reliability: Industrial-grade components for continuous 24/7 operation

2.Enhanced Safety: High isolation voltage protects control systems from electrical faults

3.System Stability: Reduces data errors and communication failures in noisy industrial environments

4.Easy Integration: Standard form factor and terminal connections for quick installation

5.Versatility: Suitable for power generation, petrochemical, and industrial automation applications

6.Long Service Life: Rugged design minimizes maintenance and extends operational lifespan

Applications：

1.Power plant turbine/generator control systems

2.Industrial DCS/SCADA communication networks

3.Substation automation and protection systems

4.Petrochemical process control

5.Heavy industrial machinery monitoring