Serial Communication - GE AF-650 GP Operating Instructions Manual

Installation

2.4.6 Serial Communication

Connect RS-485 serial communication wiring to terminals
(+)68 and (-)69.
•
Screened serial communication cable is
2 2
recommended
•
See 2.4.2 Earth (Grounding) Requirements for
proper grounding
Illustration 2.16 Serial Communication Wiring Diagram
For basic serial communication set-up, select the following
1. Protocol type in O-30 Protocol.
2. Frequency converter address in O-31 Address.
3. Baud rate in O-32 Drive Port Baud Rate.
•
Two communication protocols are internal to the
drive.
•
Functions can be programmed remotely using
the protocol software and RS-485 connection or
in parameter group O-## Options / Comms
•
Selecting a specific communication protocol
changes various default parameter settings to
match that protocol's specifications along with
making additional protocol-specific parameters
available
•
Option cards which install into the frequency
converter are available to provide additional
communication protocols. See the option-card
documentation for installation and operation
instructions
20
AF-650 GP Operating Instructions
Drive profile
Modbus RTU