Instruction manual

1
1. INTRODUCTION
1.1 General
Thank you for choosing this option unit for the Mitsubishi FR-A500(L)/
F500(L) series transistorized inverters.
Please read this manual carefully before using this option unit. This
instruction manual gives handling information and precautions for use of
this product as well as the information required for the transmission of data
to and from the inverter via a Modbus Plus network.
It is assumed that the reader of this manual possesses an understanding
of the configuration, implementation, and operation of Modbus Plus
networks. For details on the Modbus Plus network protocol and/or Modbus
Plus network configuration and installation, please refer to the applicable
specifications as published by Schneider Automation.
Please forward this manual to the end user.
Company and product names in this manual are trademarks or registered
trademarks of their respective owners.
Modbus Plus Communications Option Unit
(FR-A5NM)
This option unit lets you connect a FR-A500(L) series inverter to a
network adhering to the Modbus Plus communications protocol.
Some important features of this option unit include:
• Data rate of 1 M bps
• Support for up to 32 nodes without a repeater (64 nodes with a repeater)
on a single network
• Network access to all inverter parameters
• Passed Modicon Conformance Test in March, 1999