Mindray PM7000 PM-7000 Patient Monitor Main Board Mother Board 9210-30-30150 Patient Monitor Parts

► Brief Introduction

Main board is the most important unit of the patient monitor. It is designed to realize system control, system scheduling, system management, file management and print management as well as to finish data processing, displaying, and storage, system diagnosis and fault alarm, etc.

► Principle

The main board, being the center part of the system, has serial ports to various modules , TFTdisplay interface, analog VGA interface, Ethernet interface and analog/aux output. The BDM interface is reserved on the board for debugging or downloading software.

1. CPU System

CPU is the core element on the main board. It connects peripheral modules through BUS and I/Os in order to finish data communication, data processing and logic control, etc.

2. RTC

RTC (real-time clock) provides time (hour, minute, second) and date (year, month, day,) information. RTC information can be changed by CPU.

Ethernet Controller

Ethernet Controller complies with IEEE802.3 / IEEE802.3u LAN standard, supports 10Mbps and 100Mbps data rates, and realizes the data communication between CPU and Ethernet.

3. Analog Output/AUX OUTPUT

D/A converter converts ECG or IBP digital signals coming from CPU into analog signals, which after being low-pass filtered and amplified in Filter & Amplifier circuit are output to external part. AUX OUTPUT has another function: Nurse Call. For this function, please refer to the operation manual.

4. FPGA and VRAM

VRAM is used to save display data. CPU sends display data to VRAM via FPGA. The data in VRAM is a map of the real display device.

FPGA has various extended serial ports, which communicate with external parameter modules. CPU writes acquired data to FPGA, and FPGA sends it to external parameter modules.

5. Watchdog

Upon power-up, Watchdog supplies Reset signals to CPU, FPGA and Ethernet Controller. Provide functions of Waterdog Timer Output and voltage supervise.

► Resparation

► Schematic Diagram

► Shopping Information

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