Honeywell XNX Technical Manual

XNX Universal Transmitter
Appendix B - Modbus Protocol
189
Modbus Holding
Register Address
Datatype Variable Name Description
40038 int16 iTransVoltage24000 The voltage supplied to the XNX at the nominal 24.0 volt input, in millivolts.
40039 int16 iTransVoltage_3300 The voltage on a nominal 3.3 volt supply in the XNX, in millivolts.
40041 int16 iOptional3300 The voltage on a nominal 3.3 volt supply in the XNX option board, in millivolts.
40042 int16 iPersonality3300 The voltage on a nominal 3.3 volt supply in the XNX personality board, in millivolts.
40043 int16 iPersonality5000 The voltage on a nominal 5.0 volt supply in the XNX personality board, in millivolts.
40044 int16 iSensVoltage24000 The voltage supplied to an Optima or Excel sensor at the nominal 24.0 volt input, in millivolts.
40045 int16 iSensVoltage_5000 The voltage on a nominal 5.0 volt supply in Optima or Excel, in millivolts.
40046 to 40079 Contact HA for details.
40080 to 40081 int32 iTransSn Serial number of XNX.
40082 to 40083 int32 iSensSn Serial number of Optima, Excel, or ECC cartridge.
40084 int8 iSensSwVer Integer representation of software version in external sensor or mV personality module
40085 int8 iTransSwVer Software version of XNX.
40086 to 40155 Contact HA for details.

Honeywell XNX Specifications

General

Ingress Protection	IP66/67
Product Type	Universal Transmitter
Enclosure Rating	IP66/67
Display	LCD
Communication Protocols	HART, Modbus, Foundation Fieldbus
Power Supply	24 VDC nominal, 18-32 VDC
Operating Temperature	-40°C to +65°C (-40°F to +149°F)
Material	Aluminum or Stainless Steel
Gas Types	Toxic, Oxygen, and Combustible gases
Output	4-20 mA
Relays	3 programmable relays
Approvals	ATEX, IECEx, UL, CSA
Sensor Compatibility	Electrochemical, catalytic, infrared, and other sensor types