Fieldbus Controls; Fieldbus Control With Embedded Fieldbus; System Overview - Daikin ACS320 Operation Manual

Fieldbus Control with Embedded Fieldbus

System Overview

The drive can be connected to an external control system via
embedded fieldbus. The embedded fieldbus supports Modbus
RTU, BACnet , Metasys N2 and APOGEE
® ®
Embedded fieldbus connection is either RS-232 (control
panel connector X2) or RS-485 (I/O terminals 23...26) . The
maximum length of the communication cable with RS-232 is
restricted to 3 meters .
Figure 24: Control Information through Fieldbus Interface
OM 1190-1 • MD4 VFD
RS-232 is designed for a point-to-point application (a single
master controlling one slave) . RS-485 is designed for a
FLN Protocols . multipoint application (a single master controlling one or more
®
slaves) .
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