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Welch Allyn LC101 CO2 Module - User Manual User Manual

Page 45

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LC101 CO

2

Module OEM Implementation Manual

Section 4 - Host/Module Communications

Welch Allyn OEM Technologies

Confidential

Page 45

Host Command/Module Response Overview Table

Command

Command Description

Response

Response Description

Enter standby mode

Acknowledge with Module status

Enter measurement mode

Acknowledge with Module status

Enter auto run mode

Acknowledge with Module status

(Invoked with enter measurement
or auto run mode command)

CO

2

waveform data packets sent at

programmed interval

(Invoked with enter measurement
or auto run mode command)

Breath data packets sent at pro-
grammed interval

Request Module status

Acknowledge with Module status

Sample Zero Reference Gas

Status 25 = Cal in Progress

Sample Span Reference Gas

Status 25 = Cal in Progress

Perform Zero Calibration

Status 25 = Cal in Progress

Abort Calibration

Status 00, ok (operation aborted)

Calibration not in Progress

Request software version

dyyyy>

Version # with month, day, year sent

Request hardware version

Hardware version # sent

Request ambient barometric
pressure

Ambient barometric pressure sent

Request sensor temperature

Sensor temperature sent

Request single CO

2

packet

CO

2

measurement sent

Request single breath data
packet

Breath data packet sent

Request current pump flow rate

Current pump flow rate sent

Request sensor EEPROM revi-
sion #

Revision # sent

Request customer code

Sensor customer code sent

Request sensor serial #

Sensor serial # sent

Request last calibration date

dyyyy>

Last calibration date sent

Software reset

No response

Specify breath data timeout

Data field echoed

Specify pump flow rate

Command echoed

Update Span Gas

Status 24 = Cal Ready for Next Step

dyyyy>

Update Calibration Date.

Status 24 = Cal Ready for Next Step

Specify CO

2

waveform data

packet interval

Data field echoed

Specify breath data packet inter-
val

Data field echoed

Specify measurement compen-
sation ON or OFF, SW reset

New and previous measurement
compensation settings echoed