Connection Examples - ABB ACH550 Installation Manual

Connection examples

This chapter includes connection examples of the RBIP-01
BACnet/IP Router Module and the ACH550 devices in the MS/TP
network.
Notes:
• Terminate the EIA-485 network at both ends either using
external 120 resistors or using the router module's S1.3 DIP
switch if the router module is located at the end of the EIA-485
segment.
• Use network bias resistors at one place of the segment. Use
S1.1 and S1.2 DIP switches of the router module. Do not use
the ACH550 termination DIP switch if the router module's
network bias is switched on.
• Do not use the router module's bias resistors if termination is
switched on at the ACH550 drive.
Connection examples
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