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Chapter 8 MODBUS Communications|ASDA-B Series
Revision January 2009 8-3
NOTE
1) For RS-485 and RS-422 connections, the recommended maximum cable length is 100m (300ft.). 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.
5) For the terminal identification of CN3, please refer to Section 3.5.