Operating Instructions
J22 TDLAS Gas Analyzer
102
Hauser
9.11.7
Light emitting diodes (LED)
Status information
Status indicated by various light emitting diodes.
The following information is displayed depending on the device version:
•
Supply voltage active
•
Data transmission active
•
Device alarm/error has occurred
Diagnostic information from light emitting diodes.
9.12
Protocol-specific data
Protocol
Modbus Applications Protocol Specification V1.1
Response times
•
Direct data access: typically 25 to 50 ms
•
Auto-scan buffer (data range): typically 3 to 5 ms
Device type
Server
Server address range
1 to 247
Broadcast address range
1
0
Function codes
•
03: Read holding register
•
04: Read input register
•
06: Write single registers
•
08: Diagnostics
•
16: Write multiple registers
•
23: Read/write multiple registers
Broadcast messages
Supported by the following function codes:
•
06: Write single registers
•
16: Write multiple registers
•
23: Read/write multiple registers
Supported baudrate
1
•
1 200 BAUD
•
2 400 BAUD
•
4 800 BAUD
•
9 600 BAUD
•
19 200 BAUD
•
38 400 BAUD
•
57 600 BAUD
•
115 200 BAUD
Priority pool IP address
IP address
Inactivity timeout
0 to 99 seconds
Max connections
1 to 4
1
Modbus RS485 only
