Use In Centralised Mode; Rs485 Network - Eden ACCESS-IT UNIT Notice Technique

Technical information ACCESS-IT UNIT

Use in centralised mode

It is essential that you configure an address for your control unit.
To do this, use the control unit menu and go into the "Communication mode" menu to enter the control
unit address (1 to 32).

1) RS485 network

COMETEFX-AI
or
C485FX-AI
For more information,
please refer to the technical
documentation for these
products
(?) Data sheet:
2 wires (2 pairs recommended)
1200m
Ø
0.6mm (SYT recommended)
Characteristic: Sensitive connection
Screen: Recommended
To achieve 1200m, you need to install a 220Ω
resistor at each end of the network between points
A and B (see above).
Note: The control units are connected in parallel.
It is possible to go from one control to another or
to several control units: in all cases, the total
length must not exceed the recommended
distance.
A
B
A
B
p.40/42