Stationary Photoionization Detector SPID2
User Manual
SPID2 - User Manual (en) - 1.11.docx
Analytical Control Instruments GmbH, Volmerstraße 9A, D-12489 BERLIN, Germany, www.aci-berlin.de
Version 1.11
Page 32 of 60
MODBUS Register Map
Register 3xxxx
–
Access via function code 0x04 ( read only )
Instrument Identification
Register no
Format
Access
Length
Description
30001
String
Ro
32 byte
Device identification
30017
String
Ro
32 byte
Device name
30033
String
Ro
32 byte
Device serial number
Measurement Results
Register no
Format
Access
Length
Description
30100
Float
Ro
4 byte
Measurement result [ppm]
30102
Float
Ro
4 byte
Temperature [°C]
30104
Float
Ro
4 byte
Humidity [%rH]
30106
UInt32
Ro
4 byte
Status information*
30108
Float
Ro
4 byte
Response factor
30110
Float
Ro
4 byte
Alarm LO level [ppm]
30112
Float
Ro
4 byte
Alarm HI level [ppm]
*see Status Information Bit Definition