SenseAir S8 - Sensors Tecnics, Honeywell

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Absolute maximum ratingsStress greater than those listed in Table II may cause permanent damage to the device. These ratings arestress ratings only. Operation of the device at any condition outside those indicated in the operationalsection of these specifications is not implied. Exposure to absolute maximum rating for extended periodsmay affect device reliability.ParameterMinimum Maximum UnitsAmbient temperature under bias -40 85 CVoltage on G+ pin with respect to G0 pin -0.3 5.5 VMaximum output current from active output pin -25 +25 mAMaximum current on input -5 +5 uATable 2. Absolute maximum ratings specification for the SenseAir ® S8Sample gas diffusion areaDiffusion areaFigure 2. Diffusion areaPin assignmentG+G0Alarm_OCPWM 1kHzDVCC_outUART_RxDUART_TxDUART_R/TbCAL_inFigure 3a. Attachment to customer’s PCB, not in scale. Article No 004-0-0050G+G0Alarm_OCPWM 1kHzDVCC_outUART_RxDUART_TxDUART_R/TBCAL_inG+G0Alarm_OCPWM 1kHzFigure 3b. Attachment to customer’s PCB,not in scale. Article No 004-0-0051Figure 3c. Attachment to customer’s PCB,not in scale. Article No 004-0-0051
Terminals descriptionThe table below specifies terminals and I/O options dedicated in SenseAir ® S8 model.Pin Function Pin description /Parameter descriptionPower pinsG0Power supply minus terminalSensor’s reference (ground) terminalG+ referred to Power supply plus terminalG0Operating voltage rangePWM 1kHzPWM outputConfigured as digital outputUsed for direct reading by customer’smicrocontroller or to provide analogoutput. Refer “Use scenariosuggestion” for details and ideasElectrical specificationUnprotected against reverseconnection!5VDC ± 5%No internal protection,Pulled down at processor reset(power up and power down)Alarm_OCDuty cycle min0%, output LowDuty cycle max100%, output HighPWM resolution 0.5usec ± 4%PWM period 1 msec ± 4%Absolute max voltage range (Note 1) G0 - 0.3V to DVCC_out + 0.5VInternal pull down do G0 resistor 120kOutput low level (Note 1)Internal pull down do G0 resistorOutput high level (Note 1)Open Collector output for alarmindication0.75 VDC max at 10mA sink120k2.4 VDC at 2mA sourceNo internal protection,Pulled up to G+ at processor reset(power up and power down)Absolute max voltage range(Note 1) G0 - 0.3V to 5.5VInternal pull up to G+ resistor120kMax sink current (Note 1)100 mASaturation voltage (Note 1)2.3V to DVCC_out+0.3VTable 3. I/O notations, description and electrical specification.__________________________________________________________________________________________Note 1: Specified parameter relies on specification of subcontractor and is not tested by SenseAir
Page 1: Gas and Air SensorsProduct Specific
Page 6 and 7: MaintenanceThe models based on Sens
Page 8: Figure 4b. Mechanical drawing Sense

SenseAir S8 - Sensors Tecnics, Honeywell

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