SCANTECH ID (Champtek company) Discovery SG-20 - Manual (Page 118)

110 Appendices
flexible in rearranging your workfloor layout. If organised well, you could even
access your Discovery’s ‘all over the world’.
Which cable type should I use for the network?
For instance: Unshielded Twisted Pair (UTP) CAT5 cable.
See for further cable specifications Appendix A “Connector types and pin
definitions”.
Can I have a network with only one Discovery?
Yes, but the immediate advantage is limited. However, once this ‘mini-network’ is
readily installed, expanding the number of SG-20 terminals on a site is very easy!
Can I upgrade my standard (RS-232/RS-422/RS-485) Discovery to the Ethernet
version?
If you your Discovery has a partnumber A360106 it is in principle
fieldupgradable Ethernet. Units having a lower partnumber can only be updated in
our Scantech Repair Facility
If you plan to use Ethernet, it is always best to order it directly with your
Discovery.
RS-485
What is ‘multidrop’?
The possibility to connect multiple Discoveries to a RS-485 cabling.
What does termination of the RS-485 network mean?
Inside the last Discovery in the network a setting is made to terminate the
network with a resistor, this is done to avoid data echo’s on the network. See
Paragraph 4.1.3.
How can I see what’s going on the RS-485 network?
I-Start is equipped with a network monitor: Select the ‘Network status’ TAB under
I-Start.
Once you’re there you can also turn off and on individual terminals simply by right
clicking on that particular terminal.