ALTUS Nexto Series

3. INSTALLATION
1. The not connected terminals must be insulated so they do not make contact with each other.
3.5.7. RS-422 Communication with External Termination
In order to connect in a RS-422 network using interface external termination, the cable AL-1763 identified terminals must
be connected in the respective device terminals, as shown on table below.
AL-1763 Terminals CPU terminal signals
0 Shield
1 Not connected
2 TX+
3 RX+
4 0 V
5 +5 V
6 Not connected
7 TX-
8 RX-
Table 30: RS-422 Connections with External Termination
The figure diagram below indicates how the AL-1763 connection terminals should be connected in the device terminals.
Figure 15: RS-422 Connections with External Termination Diagram
Diagram Note:
1. The not connected terminals must be insulated so they do not make contact with each other.
3.5.8. RS-422 Network Example
The figure below shows an example of RS-422 network utilization, using the Nexto CPU as master, slave devices with
RS-422 Interface, and Altus solutions for terminators and connections.
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