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Redundancy: Provides triple modular redundancy (TMR) for maximum system availability
Reset Circuits & Watchdog Timer: The board includes reset circuits equipped with a hardware watchdog timer to ensure reliable operation
Response Time: 0
Safety Instrumented Systems: Designed for use in conjunction with a Triconex safety controller
Function: Communication interface for distributed control systems
3BSC610037R1 | ABB | SD821 Power Supply Device Netcon Field Terminal Module Redundancy: Provides triple modular redundancyDescription Manufacturer: ABB Product ID: 3BSC610037R1 ABB Type Designation: SD821 Catalog Description: SD821 Power Supply Device Long Description: Input 115 230V a. c. switch selectable, output 24V d. c., 2. 5A. If redundant power application is required, connect to SS82x Voting Unit. Width = 50 mm. DIN rail mounted. Technical Specifications Product Type: AC DC Input Voltage (Uin): 230 V Input Voltage Type: AC Input Current Maximum (Iin): 25 A Number
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