Vaisala GMP252 - Status Registers; Table 54 Modbus Status Registers (Read-Only); A.2.3 Status Registers

Register
Number
(Decimal)
Address
(Hexadecimal)
Register Description Data
Format
Unit / Valid Range
777 0308
hex
CO
2
filtering factor 16-bit
integer
Valid range 0 ... 100
(default: 100 (no filtering)).
For information on setting the
filtering factor, see Filtering
Factor (page 120).
To apply an accurate relative humidity compensation (775), you must also enable
temperature compensation (774) and pressure compensation (773).
A.2.3 Status Registers
Table 54 Modbus Status Registers (Read-Only)
Register
Number
(Decimal)
Address
(Hexadecimal)
Register
Description
Data
Format
Notes
2049 0800
hex
Device status 16-bit 0 = Status OK.
1 = Critical error.
2 = Error.
4 = Warning.
2050 0801
hex
CO
2
status 16-bit 0 = Status OK.
2 = CO
2
reading not reliable. Appears
during transmitter start-up.
256 = Measurement not ready. Appears
during transmitter start-up.
Multiple statuses can be present simultaneously. In those cases, the value of the status
register is the sum of the status values. For example, the value of the device status register
is 6 if a warning (4) and an error (2) are present simultaneously.
More Information
‣
Error Messages (page 99)
GMP252 User Guide M211897EN-D
116