
Manual Euro-MERiDIAN
Chapter 11 Page 11 - 3
D: RS.485 COMMUNICATIONS
See wiring specifications on
page 11-2.
A maximum of 30 devices
(including the End Station)
may be connected to an RS-
485 network. For larger
systems (ie Euro-256, refer
chapter 24.)
NOTE:
On a small system (up to 5
peripheral devices connected to
the RS-485 bus, with a
maximum of 200 metres of
cable) in an electrically ‘quiet’
environment, standard alarm
cable (4-core) may be used
for this network, but this is
NOT best practice.
E. END of LINE DETECTION
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