Honeywell XNX Technical Manual page 190

XNX Universal Transmitter
Modbus Holding
Datatype
Register Address
40011
int8
40012 to 40014 string[5]
40015 int8
40016 int8
40017 int8
40018 to 40026 string[18]
40027 to 40035 string[18]
40036
int8
40037 float32
Appendix B - Modbus Protocol
Variable Name
The meaning of this datum is as enumerated below:
0 Default
1 mg/m3
2 g/m3
3 %vol
4 ppm
5 %LEL
iMeasurementUnits
6 UEG
7 Ratio
8 %LEL*M
9 ppm*m
10 EG*m
11 %vol * meter
12 to for future expansion
255
strGenericUnits User-defined 5 character string description for installed generic mA sensor
iWinTemp If a Searchline Excel is fitted, this is the temperature of the window. Otherwise, this is the temperature of the window.
iTransTemp Temperature of the XNX in Celcius.
iSensorTemp Temperature of the sensor (Optima, Excel, ECC, etc)
strTransmitterID User-configured transmitter name.
sDateTime Format is "mm/dd/yy hh:mm:ss". Month and day inverted if so configured.
The meaning of this datum is as enumerated below
1 mV Bridge
2 Electrochemical Cell with toxic cartridge
3 Electrochemical Cell with O2 cartridge
iSensorType
4 Optima
5 Excel
7 generic mA input
Others for future expansion
f_mA_Out The current produced by the XNX in milliamperes.
Description
188