Status registers - DMP5 - DMP6 - DMP7 - DMP8 - DMPX

DMP Series User Guide
Document code
M212357EN
Revision
E
Language
English
Product
DMP5
DMP6
DMP7
DMP8
DMPX
Document type
User guide
Table 1. Modbus status data registers (read-only)
Register number Address Description Data format Note
513 0x0200 Error status 16-bit boolean

0x0000: One or more errors active

0x0001: No errors
514 0x0201 Online status 16-bit boolean

0x0000: Output locked

0x0001: Online data available
516 0x0203 Error code 32-bit signed integer See Table 2.
518 0x0205 Security hash 32-bit signed integer

Security hash changes when any change is made to device settings or adjustments.
520 0x0207 RH measurement status 16-bit signed integer

0x0000: Status OK

0x0001: Measurement is not available

0x0002: Measurement is not reliable

0x0004: Under range

0x0008: Over range

0x0020: Value locked

0x0080: Sensor failure

0x0100: Measurement is not ready
521 0x0208 T measurement status 16-bit signed integer
522 0x0209 Td/f measurement status 16-bit signed integer
523 0x020A Device status 16-bit signed integer

0x0000: Status OK

0x0001: Critical error, maintenance needed

0x0002: Error, device may recover automatically

0x0004: Warning

0x0008: Notification

0x0010: Calibration mode active
Table 2. Error codes in register 0x0203
Bitmask Error message Severity
0x0000 Status OK
0x0001 Temperature measurement error Error
0x0002 Humidity measurement error Error
0x0004 Humidity sensor failure Error
0x0008 Capacitance reference error Error
0x0010 Ambient temperature out of range Error
0x800000 Sensor heater failure Warning