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Ndrive HP 10/20/30 User’s Manual
Technical Details
www.aerotech.com 3-19
3.4. RS-232 / RS-422 Port (J206)
The RS-232C and RS-422 (factory option) ports may not be used simultaneously. They
are one physical port, converted to each interface by the appropriate line driver/receiver,
as shown in Figure 3-11. Connecting the RS-232 port to a user’s PC requires only a
standard 9-pin cable (not a null modem). Currently, the RS-232C port serves only a
secondary means to upgrade the firmware in the Ndrive, which is done primarily through
the FireWire port.
Table 3-18.
J206 RS-232 / RS-422 Connector Pin Assignment
Pin #
Label
Description
In/Out/Bi.
1 Frame
Chassis
Frame
N/A
2
RS-232 TXD
RS-232 Transmit Output
Output
3
RS-232 RXD
RS-232 Receive Input
Input
4
RS-422 TXD+
RS-422 Transmit
Output
5 Common
Signal
Common
N/A
6
RS-422 TXD-
RS-422 Transmit Output -
Output
7
RS-422 RXD+
RS-422 Receive Input +
Input
8
RS-422 RXD-
RS-422 Receive Input -
Input
9
+5 Volt
+5 Volt Power Output *
Output
* Total user +5 V power is limited to 500 mA, by an internal re-settable fuse.
Table 3-19.
RS-232 / RS-422 Port Connector Mating Connector (J206)
9-Pin D-style Connector Aerotech
Third Party Source
Connector ECK00137
Cinch
DE-9P
Back shell
ECK01021
Amphenol 17-1724-2
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