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Introduction
Appendix B
B–4
Serial Network
Parameter
Settings
Several parameter settings are necessary to configure serial communications, listed below.
For inverters on the same network, some settings must match from inverter to inverter. These
include:
• Baud rate
• Data bits
•Parity
• Stop bits
However, the node address on each inverter must be unique, used only once on the network.
Function
Code
Item Value Description
C070 Data command source
02 Digital operator
03 RS485 connector
04 Expansion card #1
05 Expansion card #2
C071 Baud rate
02 Loop-back test
03 2400 bps
04 4800 bps
05 9600 bps
06 19200 bps
C072 Node address
1 to 32,
FF
1 to 32 – Node or station address (unique
to each inverter or device)
FF – Automatic broadcast (to all nodes on
transmit, allowed only on certain
commands (refer to each command
description in this appendix)
C073 Data bits
07 7 bits
08 8 bits
C074 Parity
00 none
01 Even parity
02 Odd parity
C075 Stop bits
01 1 bit
02 2 bits
C078 Wait time 0 to 1000 0 to 1000 ms time that the inverter waits
to respond to network master