Specifications

Chapter 2 - System Configuration RS-422 And RS-485 Applications Ebook
Page 40 of 137 Manual Documentation Number: <DocNumber>
www.bb-elec.com/
www.bb-europe.com/
Using Repeaters in a Master-Slave Network
When using repeaters in a master-slave network it can be configured
with four-wire on the master side and two-wire on the slave side.
Figure 28: Four-wire to Two-wire Conversion
Typically you cannot have the opposite connection (two-wire master
and four-wire slaves) because the slave will usually reply immediately
after the end of the master's message, before the master has released
its driver. When this happens the beginning of the slave's reply will be
lost.