Status registers - HMP1 - HMP3 - HMP4 - HMP5 - HMP7 - HMP8 - HMP9 - HMPX - MMP8 - MMPX - TMP1 - TMPX

HMP Series with MMP8 and TMP1 User Guide

Document code: M212022EN
Revision: K
Language: English
Product: HMP1; HMP3; HMP4; HMP5; HMP7; HMP8; HMP9; HMPX; MMP8; MMPX; TMP1; TMPX
Document type: User guide

Table 1. Modbus status data registers (read-only)
Register number	Address	Description	Data format	Note
513	0200_hex	Error status	16-bit boolean	0000_hex: One or more errors active 0001_hex: No errors
514	0201_hex	Online status	16-bit boolean	0000_hex: Output locked 0001_hex: Online data available
516	0203_hex	Error code	32-bit signed integer	See Table 2.
518	0205_hex	Security hash	32-bit signed integer	Security hash changes when any change is made to device settings or adjustments.
520	0207_hex	RH measurement status	16-bit signed integer	0000_hex: Status OK 0001_hex: Measurement is not available 0002_hex: Measurement is not reliable 0004_hex: Under range 0008_hex: Over range 0020_hex: Value locked 0080_hex: Sensor failure 0100_hex: Measurement is not ready
521	0208_hex	T measurement status	16-bit signed integer
522	0209_hex	T_d/f measurement status	16-bit signed integer
523	020A_hex	Device status	16-bit signed integer	0000_hex: Status OK 0001_hex: Critical error, maintenance needed 0002_hex: Error, device may recover automatically 0004_hex: Warning 0008_hex: Notification 0010_hex: Calibration mode active

Table 2. Error codes in register 0203_hex
Bitmask	Error message	Severity
0000_hex	Status OK
0001_hex	Temperature measurement error	Error
0002_hex	Humidity measurement error	Error
0004_hex	Humidity sensor failure	Error
0008_hex	Capacitance reference error	Error
0010_hex	Ambient temperature out of range	Error
800000_hex	Sensor heater failure	Warning