Revision September 2013
8-1
Chapter 8
MODBUS
Communications
8.1 Communication Hardware Interface
The ASDA-B2 series servo drive has three modes of communication: RS-232 and RS-485.
All aspects of control, operation and monitoring as well as programming of the controller
can be achieved via communication. The two communication modes can be used at a time.
Please refer to the following sections for connections and limitations.
RS-232
Connection
NOTE
1) Recommended maximum cable length is 15m (50ft.). Please note, RFI / EME noise should be
kept to a minimum, communication cable should kept apart from high voltage wires. If a
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