Status message - RSI51

RSI51 Installation Manual

Document code
M211863EN
Revision
B
Language
English (United States)
Product
RSI51
Document type
User guide

Status message monitors the external power voltage and the internal temperature of the QML data logger.

Status message format

<SOH><SID>ST1<STX>ExtDC T_int <CRC16 %04d><ETX><CR><LF>
Name Description
<SOH><SID>ST1<STX> Message header, where <SID> identifies individual RSI51 units. For example, 1A.
ExtDC T_int

Message data:

  • ExtDC = Instant value of the external power voltage (V)
  • T_int = Instant value of the QML logger internal temperature (°C)
<CRC16 %04d>

Message checksum:

  • Initial value = FFFF
  • Invert result bits = Yes
  • Format = Hex
  • Polynomial = 0x1021
  • Bit reverse CRC used = No
<ETX><CR><LF> Message trailer

Status message characteristics

Property Value
Default send interval 60 s
Polling command STATREP

Example of status message

<SOH>1AST1<STX>24.1 19.3 487B<ETX><CR><LF><EOT>