SSI A20829 - Page 16

Single Gas Sensor Module (SGSM)
Operations Manual
Super Systems Inc.
Page 16 of 38
Page 16 of 51
Register Name
Register Location
Description
MB_READ_GAIN_REG
1239
Gain
MB_READ_AD_SCALED_VDC
1241
Scaled VDC
MB_READ_TC_PROC_VAR
1243
TC process variable
MB_READ_PERC_O2
1245
Based on Nernst equation
MB_READ_PERC_O_DP
1246
decimal point for O2
MB_READ_PERC_O2_FP
1247
floating point value for O2 (w
registers)
MB_READ_LAMBDA_TEMP
1249
Typically 800F
MB_READ_LAMBDA_CNV_MV_EN
1250
Convert mV to probe mV
MB_READ_AMB_PRESSURE_REG
1251
Ambient pressure (absolute)
MB_READ_GAS_PRESSURE_REG
1252
Gas pressure (absolute)
MB_READ_NDIR_GAS_SELECTION
1253
[0-7]. TBD
MB_READ_NDIR_GAS_VPP
1254
Peak-peak voltages
MB_READ_NDIR_GAS_VPP_SF
1258
Peak-peak voltages. No
high/low values
MB_READ_NDIR_GAS_VPP_FIR
1262
Peak-peak voltages FIR filtered
MB_READ_NDIR_GAS_NA
1266
Gas Normalized absorbance
MB_READ_NDIR_GAS_NA_TC
1269
Gas Normalized absorbance,
temperature compensated
MB_READ_NDIR_GAS_CONC
1272
Gas concentration
MB_READ_NDIR_GAS_CONC_DP
1275
Gas concentration decimal point
MB_READ_NDIR_GAS_CONC_FP
1278
Gas concentration floating point
MB_READ_CAL_ENABLE_REG
1284
enables a calibration
MB_READ_CAL_REQUEST_REG
1285
CJ cal or zero/span voltage cal
MB_READ_CAL_RANGE_REG
1286
Calibration Range register. Sets
the voltage gain for a
calibration.
MB_READ_CAL_CHANNELS_REG
1287
bitmap of channels to be
calibrated
MB_READ_CAL_VALUE_REG
1288
Calibration value
MB_READ_CAL_TIMER_REG
1293
First of 5 calibration timers
MB_READ_CAL_PROGRESS_REG
1294
0 = no calibration, 1 =
calibration in progress