Vaisala HMDW110 - Appendix A. Modbus Reference; Configuration Registers; Test Value Registers; Device Identification Objects

A.4.2 Status Registers
Table 52 Modbus Status Registers (Read-Only)
Register
Number
(Decimal)
Address
(Hexadecimal)
Register Description Data
Format
Notes
513 0200
hex
Device status 16-bit
integer
1 = No errors
516 0203
hex
Error code 32-bit field
518 0205
hex
Security hash 32-bit
integer
Security hash changes on
any change to device
settings/adjustments
Table 53 Error Codes on Modbus Interface
Error Code
Register Value
Corresponding Error
1 Temperature measurement error. [44]
2 Humidity measurement error. [45]
4 Humidity sensor failure. [46]
8 Capacitance reference error. [47]
16 Ambient temperature out of range. [48]
32 Firmware checksum mismatch. [49]
64 Device settings corrupted. [50]
128 Additional configuration settings corrupted. [51]
256 Sensor coecients corrupted. [52]
512 Main configuration settings corrupted. [53]
2048 Supply voltage out of range. [55]
8192 Non-volatile memory read/write failure. [57]
16384 Calibration certificate checksum mismatch. [58]
If several errors are active at the same time, the Modbus Error Code register contains the sum
of currently active error codes.
Refer to Error Messages in Insight Software (page 70) for more information about the error
states.
HMDW110 User Guide M211726EN-D
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