Dräger Medical Babytherm 8004, Техническая документация инструкция

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Babytherm 8004/8010 Function Description
2.2.2 Toroidal-core power
transformer The toroidal-core power transformer supplies the electronic assembly and the
mattress heater with the following AC voltages:
– approx. 24 VAC
– approx. 9 VAC
2.2.3 WT Power PCB The WT Power PCB has the following function blocks:
– Bridge rectifier
– Voltage regulator (+5 VD)
– Voltage regulator (+5 V LED)
– GoldCap
– Charging circuit (GoldCap)
– Mains power failure detection (powerfail)
– Buzzer (mains power failure)
– Alarm LED control (mains power failure)
– Serial data transfer
– Multiplexer
– Addressing and controlling of actuators and safety relays
– Mattress heater control/scan