OxyDetect Oxygen Deficiency Gas Detector
Appendix
05311001B / Revision 4
77
A4
CONFIGURING THE MODBUS PARAMETERS (OPTION)
If your analyser has the Modbus Ethernet output, you must configure the
communications parameters to suit the requirements of the network to which you have
connected the analyser.
The cable connections are shown in Section 6.2.
All screen shots show the default setting.
These values are supervisor password protected. Your network administrator will
advise you of the necessary parameters that will be required to be entered.
A4.1 TCP (Ethernet) Communications parameters
1. Select
Settings
Comms parameters.
2.
The first screen requests the IP
address, (always communicates in
RTU mode). Use the
and
soft keys to select the correct
value.
Figure A2 – Comms parameters
IP address screen - example
The IP address must be set to a unique value in the network.
3.
Use the
and
soft keys
to select the next parameter:
4. Subnet mask, sets the subnet mask
for the network. A provisional mask is
generated
automatically by
the
control unit whenever a new IP
address is entered that falls into a
different class. The mask may then
be altered manually if required by
clicking
soft key.
Figure A3 – Comms parameters
subnet mask screen - example
