J22 TDLAS Gas Analyzer
Operating Instructions
Hauser
35
1.
Loosen the securing clamp of the connection compartment cover.
2.
Unscrew the connection compartment cover.
3.
Set the desired device address using the DIP switches in the connection compartment.
A0029634
Fig 36. Modbus address DIP switches
4.
The change of device address takes effect after 10 seconds.
5.
Replace the compartment cover and secure the clamp.
Enabling the terminating resistor
To avoid incorrect communication transmission caused by impedance mismatch, terminate the Modbus RS485 cable
correctly at the start and end of the bus segment.
Set DIP switch 3 to On.
A0029632
Fig 37. Off/on DIP switch selection for enabling the terminating resistor
Hardware addressing for Modbus TCP
The IP address for the J22 can be configured from DIP switches.
Addressing data
The IP address and configuration options are listed below:
1st octet
2nd octet
3rd octet
4th octet
192.
168.
1.
XXX
The 1
st
, 2
nd
, and 3
rd
octet can only be configured through software addressing.
The 4th octet can be configured through software addressing and hardware addressing.
IP address range
1 to 254 (4th octet)
IP address broadcast
255
Addressing mode ex works
Software addressing: all DIP switches for hardware addressing are set to OFF.
IP address ex works
DHCP server active
Software addressing: The IP address is entered through the IP addres parameter. For more information, see the
Description of Device Parameters
Содержание SpectraSensors J22 TDLAS
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