The Alstom SCN804C is a PLC module measure interface board engineered to connect sensors, actuators, and PLC controllers in industrial automation environments. It provides precise measurement and control of process parameters across automated systems, supporting multiple communication protocols and featuring dual power supplies with a 28-position terminal block and 25-pin D-Sub connector for flexible field integration.
Technical Specifications
• Model: SCN804C
• Manufacturer: Alstom
• Product Type: PLC Module Measure Interface Board
• Weight: 2.490 kg
• Power Supplies: Dual power supply configuration
• Terminal Block: 28-position terminal block
• Connector: 25-pin D-Sub connector
• Operating Temperature Range: -40°C to +70°C
• Enclosure Rating: IP67 (dust and water ingress protection)
– Key Features
• DIN rail mounting for standard cabinet installation
• Multiple communication protocol support: Modbus, CANopen, and Profibus
• IP67-rated enclosure for harsh industrial environments
• Dual power supplies ensure redundancy and system stability
• Wide operating temperature range accommodates diverse deployment scenarios
– Typical Applications
• Industrial automation including assembly lines and manufacturing plants
• Power industry grid management and power flow monitoring
• Integration with renewable energy infrastructure
• Petrochemical process automation and safety system control
– Compatibility & Integration
The SCN804C integrates with industrial automation systems and SCADA architectures. Compatible with other Alstom products including the MICOM P743 for power system protection and the SKE11BF8013BCH for additional monitoring capabilities. Documentation, technical support, and parts ordering are available through Alstom’s eSupport portal.


















