Mindray A7 Service Manual

Ventilator Control and Drive Theory of Operation
1 - 76 046-006272-00 A7™ Service Manual
Test Point Definition
1.7.2.3 Sensor Interface Board
FIGURE 1-77 Sensor Interface Board, Top View
6 QUICK_O2_SW O2 Flushing Pressure Switch Signal
7GND Ground
8 CGO_PRE_SW CGO Switch Signal
9GND Ground
10 O2_PRE_SW O2 Pressure Switch Signal at Gas Supply Inlet
11 GND Ground
12 MANU_AUTO_SW Auto/Manual Switch Signal
DESIGNATOR NAME FUNCTION RANGE (unit: V)
T1 K_OUT1 Status Monitor Signal 0~3.45
T2 K_OUT2 Status Monitor Signal 0~3.45
T3 SAFE Pressure Relief Valve Signal 0~7
T4 VOC Reserved DA Output Signal 0~1.2
T5 AD2 Analog Channel Output Signal 0~5
T6 FLOW Inspiration Valve Control Signal 0~7
T7 PEEP PEEP Valve Control Signal 0~7
T8 10V 12V Input Signal 10~14
T9 7V Valve Power Supply 6.65~7.35
T10 SGND Ground 0
PIN NAME FUNCTION

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