Welch-allyn LC101 CO2 Module - User Manual Manual de usuario descargar pdf (Pagina 59)

LC101 CO

Module OEM Implementation Manual

Appendix A - Software Prodedures

Welch Allyn OEM Technologies Conﬁdential Page 59

Example of Veriﬁcation Using Dry Gas

Because Module veriﬁcation is typically accomplished using “dry” CO

gas from a canister, the

automatic compensations for water vapor and BTPS must be disabled prior to veriﬁcation. The

host system can temporarily disable these module functions by using the sequence below:

NOTE The Module will revert to the default settings (BTPS and Water Vapor compensations

enabled) when the Module is reset or power cycled. Refer to the Host/Module

Communications section (

page 25) for more details on the commands listed in the

table. Because the CO

concentration contained in a canister or cylinder is typically

listed in percent values, it is recommended the host also convert the module’s CO

data

to percent for comparison purposes.

6 <C11> Host sends

Sample CO2 Span Gas

command.

<S6325>

<S6X03>

<S6322>

<S6328>

Module responds with status -

Calibration in Progress

, or

if not in unprotected measurement or autorun mode, response is

Invalid

Operation

(use <Q7F0>), or

if a calibration had not been started, response is

Cal. Not in Progress

, or

if the calibration has exceeded its maximum time allowed, response is

Unable to Perform Cal., Missing Parameters

7 <C00> Host polls for completion of sampling.

<S6325>

<S6326>

<S6328>

<S6329>

Module responds with status -

Calibration in Progress

. Repeat this

step until a response other than <S6325> is returned.

Module responds with status -

Calibration OK

, or

if the calibration has exceeded its maximum time allowed, response is

Unable to Perform Cal., Missing Parameters

, or

if acquiring data does not meet speciﬁcations, response is

Unable to

Perform Cal., Data Error.

8 <Q7F1> Host sends Protect command.

<q7F1> Module responds to command from host

Command from Host Description Note

C00 Requests Module status Verify no faults are reported

Q7F0 Unprotects the Module

Q080 Disables Water Vapor Comp

Q090 Disables BTPS Compensation

O00 Disable Breath Data Packet For continuous CO2 mode

1 2 ... 54 55 56 57 58 59 60 61 62 63 64 ... 97 98

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