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Document # 50049 Rev D 5/2/97 P/N 50049:D
Figure 2-5: EIA-485 Connection Sensiscan 2000
CPU-2000
UDACT-F
-
-
+
+
Install 120 ohm
EOL resistor (P/
N: 71244) across
terminals 3
(RS+) & 4 (RS-)
if last or only
device on EIA-
485 line. Note
that Terminals 6
(RS+) & 7 (RS-)
are not used at
this time.
TB-1
Terminal 3 RS+
Terminal 4 RS-
EIA-485 (Supervised and
Power-limited)
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