Manual 85586V1
AtlasPC Digital Control, Vol. I
Woodward
53
Serial I/O
The SmartCore board accepts three serial I/O connections. The first two ports
are configurable for RS-232, RS-422, or RS-485. The last port is configurable for
RS-232 only. RS-232 is specified to 50 feet (15 m), and RS-485 and RS-422 are
specified to 4000 feet (1219 m).
Atlas
102
95
94
93
Isolated
Ground
RS 232
Device
Twisted
Pair
Isolated
+5V
Serial #1 - RS-232
RS 232C
Transceiver
RXB
TXB
RXB
TXB
Figure 6-10. Serial #1–RS-232 Pinouts
+
Atlas
100
99
98
97
96
102
101
95
94
RS 422
Transceiver
422T
422R
93
+
RS 422
Device
422T
422R
+
+
Twisted
Pairs
+
Serial #1 - RS-422
140
Isolated
Ground
243
Isolated
+5V
243
Jumpers to
use optional
termination
resistor
+
Figure 6-11. Serial #1–RS-422 Pinouts
Summary of Contents for AtlasPC
Page 8: ...AtlasPC Digital Control Vol I Manual 85586V1 vi Woodward...
Page 130: ...AtlasPC Digital Control Vol I Manual 85586V1 122 Woodward...
Page 131: ......
Page 132: ......
Page 133: ......