GE AF-650 GP - Operator Interface and Control; Introduction to Operator Interface; Operating the Frequency Converter with the Keypad; Keypad Functional Groups

3.4.6 Serial Communication
Connect RS-485 serial communication wiring to terminals
(+)68 and (-)69.
•
A shielded serial communication cable is
recommended
•
See 3.4.2 Grounding Requirements for proper
grounding
Illustration 3.16 Serial Communication Wiring Diagram
For basic serial communication set-up, select the following
1. Protocol type in O-30 Protocol.
2. Adjustable frequency drive address in
O-31 Address.
3. Baud rate in O-32 Drive Port Baud Rate.
•
Two communication protocols are internal to the
drive.
Drive profile
Modbus RTU
•
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 can be installed in the
adjustable frequency drive are available to
provide additional communication protocols. See
the option card documentation for installation
and operation manual.
Installation AF-650 GP Quick Guide
14 DET-759A
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