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Chapter 8 MODBUS Communications|ASDA-B Series
8-2 Revision February 2008, Doc. Name: 2006PDD23000009
NOTE
1) For RS-232 connection, the 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
transmission speed of 38400 bps or greater is required, the maximum length of the communication cable
is 3m (9.84ft.) which will ensure the correct and desired baud rate.
2) The number shown in the pervious figure indicates the terminal number of each connector.
RS-485, RS-422
Configuration
Cable Connection