User manual

Detailed hardware description
Issue E 51
Typical RS422 and RS485 connection
Only set U3_TERM# (U4_TERM#) at logic low if the ZEUS is at the end of the
network.
RS485 MULTI-DROP RS422 POINT-TO-POINT RS422 MULTI-DROP
Number of Wires 5
Transmitters Enabled always
Receivers Enabled always
Duplex Mode full
RS485EN LOW
Number of Wires 5
Transmitters Enabled active RTS#
Receivers Enabled always
Duplex Mode full
RS485EN LOW
Number of Wires 3
Transmitters Enabled active RTS#
Receivers Enabled always
Duplex Mode half
RS485EN HIGH