J22 TDLAS Gas Analyzer
Operating Instructions
Hauser
59
Data area
Device parameter value
Modbus RS485 or Modbus
TCP register
Data type
Access
Value of scan list register 0
5051
Integer/float
Read/write
Value of scan list register 1
5053
Integer/float
Read/write
Value of scan list register . . .
. . .
. . .
. . .
Value of scan list register 15
5081
Integer/float
Read/write
6.5
Modbus registers
Parameter
Register
Data Type
Access
Range
Concentration
9455 to 9456
Float
Read
Signed floating-point number
Dew point 1
21458 to 21459
Float
Read
Signed floating-point number
Dew point 2
21800 to 21801
Float
Read
Signed floating-point number
Cell gas temperature
21854 to 21855
Float
Read
Signed floating-point number
Cell gas pressure
25216 to 25217
Float
Read
Signed floating-point number
Diagnostic service ID
2732
Integer
Read
0 to 65535
Diagnostic number
6801
Integer
Read
0 to 65535
Diagnostic Status signal
2075
Integer
Read
0: OK
1: Failure (F)
2: Function check (C)
8: Out of specification (S)
4: Maintenance required (M)
16: ---
32: Not categorized
Diagnostic string
6821 to 6830
String
Read
Diagnostic number, service ID and
Status signal
Pipeline pressure
9483 to 9484
Float
Read/Write
0 to 500 bar; write to this value
when Pipeline pressure mode =
External value
Start validation
30015
Integer
Read/Write
0: Cancel, 1: Start
1
Data type depends on the device parameters entered in the scan list.
2
Data access depends on the device parameters entered in the scan list. If the device parameter entered supports
read and write access, the parameter can also be accessed from the data area.