hpmont HD3N Series User Manual

Shenzhen Hpmont Technology Co., Ltd. Appendix B Communication Protocol
HD3N Series User Manual V1.1 - 143 -
Appendix B Communication Protocol
1. Introduction
HD3N series adopts standard MODBUS communication protocol.
By using the host computer (including communication devices such as computer and PLC) the user
can operate to read-write the controller’s function code, read the status parameters and write the
control command etc. The inverter is in slave mode when it is communicating.
Communication Terminal
Refer to section 4.4.1 Control Terminal (on page 23) for communication terminal.
The transmitting mode is shown in following table.
Port
Asyn, half-duplex
Format 1-8-2 (1 start bit, 8 data bits, 2 stop bits), no parity, RTU
Baut rate 9600bps
Relative setting Refe to F17: SCI Communication Parameter, on page 86
Network mode
PC master PLC master
RS232/RS485
switching module
RS232/RS485
switching module
HD3N HD3N HD3N
RS485
PC master PLC master
HD3N
RS485
HD3N
Single-master and multi-slave Single-master and single-slave
B

hpmont HD3N Series Specifications

General

Brand	hpmont
Model	HD3N Series
Category	Inverter
Language	English