ALTUS Nexto NX3004 User Manual

3. Installation
29
Figure 3-9. Connection Diagram of a RS-485 Network with External Termination and Master
Redundancy
RS-422 Communication without Termination
In order to connect in a RS-422 network with no termination in COM 1 (NX3004 and NX3005) or
COM 2 (NX3010, NX3020 and NX3030) interface, the cable AL-1763 identified terminals must be
connected in the respective device terminals, as shown on Table 3-9.
AL-1763 terminals
CPU terminal signals
0
Shield
1
Not connected
2
TX+
3
RX+
4
Not connected
5
Not connected
6
Not connected
7
TX-
8
RX-
Table 3-9. RS-422 Connections with no Termination
The Figure 3-10 diagram indicates how the AL-1763 connection terminals should be connected in the
device terminals.

ALTUS Nexto NX3004 Specifications

General

Brand	ALTUS
Model	Nexto NX3004
Category	Processor
Language	English