Connecting a Control System or PC:
RS232 Connection
Use a straight-through RS-232 cable with a 9-pin male connector to connect a PC or control/ automation system (if
present) to the RS-232 port on the display; see
Figure 3-2
.
For more information about using this connection, refer to
External Control
on page 39.
5 4 3
2
1
9 8
7
6
2 Receive Data
(to control system)
3 Transit Data
(from control system)
5 Ground
to Automation/
Control System
or
PC
Figure 3-2. RS-232 Control System Connection
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