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Introduction
X200 Series inverters have built-in RS-485 serial communications, featuring the
ModBus RTU protocol. The inverters can connect directly to existing factory networks
or work with new networked applications, without any extra interface equipment. The
specifications for X200 serial communications are in the following table.
Item Specifications User-selectable
Transmission speed 4800 / 9600 / 19200 bps
9
Communication mode Asynchronous
U
Character code Binary
U
LSB placement Transmits LSB first
U
Electrical interface RS-485 differential transceiver
U
Data bits 8-bit (ModBus RTU mode)
(ASCII mode not
available)
Parity None / even / odd
9
Stop bits 1 or 2 bits
9
Startup convention One-way start from host device
U
Wait time for response 0 to 1000 msec.
9
Connections Station address numbers from 1 to 32
9
Connector RS45 modular jack −
Error check
Overrun, Fleming block check code,
CRC-16, or horizontal parity
−
The network diagram below shows a series of inverters communicating with a host
computer. each inverter must have a unique address, from 1 to 32, on the network. In a
typical application, a host computer or controller is the master and each of the
inverter(s) or other devices is a slave.
B−2
Appendix B
X
200
X
200 X200
12 32