Modbus for Field Technicians
Page 37
Source: Ten Ways to Bulletproof RS-485 Interfaces National Semiconductor
Application Note 1057 John Goldie October 1996
Tip #8 – Bandwidth Issues
How many devices to install on a single RS485 Trunk (Bandwidth Issues).
There are non-electrical considerations to determine how many devices you
put on a Modbus trunk network. It’s not possible to provide a calculator to
work out how many devices to install on a single network but the following
list provides some help in assessing bandwidth considerations.
Consider the following factors.
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