Delta Electronics ASDA-A2 Series User Manual page 467

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RS-485

Configuration
NOTE
1) The maximum cable length is 100m (39.37inches) when the servo drive is installed in a
location where there are only a few interferences. Please note, RFI / EME noise should be kept
to a minimum, communication cable should kept apart from high voltage wires. If a
transmission speed of 38400 bps or greater is required, the maximum length of the
communication cable is 15m (50ft.) which will ensure the correct and desired baud rate.
2) The number shown in the pervious figure indicates the terminal number of each connector.
3) The power supply should provide a +12V and higher DC voltage.
4) Please use a REPEATER if more than 32 synchronous axes are required. Maximum 254 servo
drives can be connected.
5) For the terminal identification of CN3, please refer to Section 3.5.
9-2
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CN3
1394 Connector
3
5
Servo 1
4
6
3
5
Servo 2
4
6
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485 (+)
485 (-)
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Chapter 9 Communications
D-Sub
9-Pin Connector
485 (+)
485 (-)
Revision January 2011
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