Here’s a concise breakdown of the CX2100-0904 power supply unit from Beckhoff:

• Functionality: Supplies power to CX2020 and CX203x Embedded PCs.

• Integrated UPS: Features a capacitive UPS for orderly shutdown during power failures.

• Display: Equipped with an FSTN LCD display (2x16 characters), selector switch, and enter key for status queries.

• Bus System: Supports EtherCAT or Bus Terminals, automatically detected and operated by the CPU.

• Power Supply: Provides 2 A at 5 V DC to E-bus or K-bus electronics.

• Cooling: Passively cooled, no fan, operates in temperatures from -25°C to +60°C.

• Power Output: 45 W max, with 24 V DC input (-15%/+20%).

• Diagnostics: Includes LED indicators for power, I/O run, and I/O error.

• Protection & Compliance: Rated IP20, conforms to EN 60068-2-6/EN 60068-2-27 for vibration/shock resistance, and EN 61000-6-2/EN 61000-6-4 for EMC immunity/emission.

• Approvals: CE, UL certified.