Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario Pagina 24

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Installation
Chapter 2
212
Table 2.C
Distance
Rate V
ariations
Distance
in feet
Maximum
Baud Rate
1,000 19,200
2,000 9,600
3,000 9,600
4,000 4,800
5,000 4,800
6,000 2,400
7,000 2,400
The receiver is designed to sense the signal generated by a similar
transmitter, and is electrically isolated from all other circuitry on the
module. It consists of an opto–isolater circuit with an input and return
connection at the RS–232 connector. All other signals on the RS–232
connector are driven and received by standard RS–232 interface circuits,
and have a maximum drive capability of 50 feet.
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