Fuji Electric FRENIC-HVAC User Manual page 621

This chapter describes an overview of inverter operation through the RS-485 communications facility. Refer
to the RS-485 Communication User's Manual for details.
8.1 Overview on RS-485 Communication ........................................................................................................ 8-1
8.1.1 RS-485 common specifications ........................................................................................................... 8-2
8.1.2 Terminal specifications for RS-485 communication ........................................................................... 8-3
8.1.3 Connection method ............................................................................................................................. 8-4
8.1.4 Communications support devices ........................................................................................................ 8-6
8.1.5 Noise suppression ............................................................................................................................... 8-7
8.2 Overview of FRENIC Loader ..................................................................................................................... 8-8
8.2.1 Specifications ...................................................................................................................................... 8-8
8.2.2 USB port on the inverter unit .............................................................................................................. 8-9
RUNNING THROUGH RS-485
Contents
Chapter 8
COMMUNICATION