Communication Port; Function That Rs-232 Port Supports; Definitions Of Rs-232 Port Pins; Hardware Connection - Delta Electronics DVP15MC11T Operation Manual

6.4 RS-232 Communication Port
6.4.1

Function that RS-232 Port Supports

The RS-232 communication port of DVP15MC11T can function as Modbus master or slave. HMI, PLC or
other Modbus device can read and write data in the devices inside DVP15MC11T. The progrom can not be
downloaded through RS-232 port. RS-232 supports Modbus protocol, ASCII mode as well as RTU mode. The
function codes which RS-232 port supports include 0x01, 0x02, 0x03, 0x05, 0x06, 0x0F and 0x10. The station
addresses that RS-232 port supports are 1~255. The broadcast function is not supported.
Refer to appendix A for details on Modbus communication and Modbus device addresses.
6.4.2

Definitions of RS-232 Port Pins

DVP15MC11T's COM/SSI port consists of 15 pins. See the table below for definitions of respective RS-232
communication port pins.
Pin
Signal
No.
3 Tx
9 Rx
5 GND
6.4.3 RS-232 Hardware Connection
Chapter 6 Wiring, Communication Setting and Network Construction
Definition
Transmitting data
Receiving data
Signal ground
COM/SSI
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