Mindray A7 Service Manual

Ventilator Control and Drive Theory of Operation
1 - 72 046-006272-00 A7™ Service Manual
FIGURE 1-74 Monitor Signal Detection Board, Bottom View
Monitor Signal Detection Board Communication Interface, J1
Ventilator Sensor Interface, J3
PIN NAME FUNCTION
1TXD Serial Port Transmit
2RXD Serial Port Receive
3 12V 12V Power Supply
4GND Ground
5GND Ground
6 12V 12V Power Supply
7 PRST Pressure Relief Valve Control Signal
85V 5V Power Supply
PIN NAME FUNCTION
1SDA I2C Data Signal
2 SCL I2C Clock Signal
3 VT Thermal Mass Flow Sensor Temperature Signal
4 VF Thermal Mass Flow Sensor Flow Signal
5 12V Sensor Power Supply
6GND Ground

Mindray A7 Specifications

General

Type	Anesthesia Workstation
Brand	Mindray
Model	A7
Display	15-inch color touchscreen
Oxygen Flush	Yes
Gas Inlets	O2, N2O, Air
Ventilation Modes	SIMV, PSV
Breathing System	Integrated
Gas Monitoring	O2, CO2, N2O
Monitoring Parameters	FiO2
CO2 Monitoring	Mainstream or Sidestream
Power Supply	100-240 V, 50/60 Hz