Welch Allyn Duet CO2 Module - User Manual - Manual (Page 74)

Duet CO
2
Module OEM Implementation Manual
Page 74 Confidential Welch Allyn OEM Technologies
Word
(hex) Register Description
18 LSB
MSB Minimum heat delta during warm up
Heater failure timer
19 Start_up flags
1A Default breath update
1B Dark phase pulse time in 1 microsecond ticks
1C Pump overflow timer in 200 msec ticks/ffff = OFF
1D Pump occlusion warning timer in 200 msec ticks/ffff = OFF
1E Pump occlusion error timer in 200 msec ticks/ffff = OFF
1F Water trap missing timer in 200 msec ticks/ffff = OFF
20 Optical occlusion first warning in 1.221 mV steps/ffff = OFF
21 Optical occlusion second warning in 1.221 mB steps/ffff = OFF
Mainstream Sensor EEPROM Map Table
Word
(hex) Register Description
00 LSB &
MSB Checksum/range: 01h to 07h
01 LSB
MSB EEPROM revision #
OEM specific code
02 Serial #
03 Gain constant
04 LSB
MSB Linearity constant
Offset constant
05 LSB
MSB Temperature compensation constant
Sensitivity constant
06 LSB
MSB Bias adjustment constant
User calibration pointer
07 MSB Minor revision #
08 Real-time register #1
09 Real-time register #2
0A Real-time register #3
0B CRC in words/range: 00h to 07h and 0Ch to 3Fh
0C Reference gas cell phase timer
Open phase timer
0D IR source current
0E Reserved
0F Reserved
10 Next user calibration gain constant
11 LSB
MSB User calibration offset constant
User calibration bias adjustment constant
12 User calibration date/time stamp
13 – 15 Next user calibration data (10h, 11h and 12h formats)
16 – 18 Next user calibration data (10h, 11h and 12h formats)
3D – 3F Next user calibration data (10h, 11h and 12h formats)