AMC XOi Manual - Page 3

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XO-XOi-X86-DR-X86T MANUAL - RS485 Manual - v3.2

Serial port specification

Serial Port Hardware

•

RS-232

◦

DB-9 Female

•

RS-485

◦

Screw Terminal (4 connections)

◦

RJ-45

Serial Port Communication Protocol

•

RS-485 asynchronous serial communication

•

Two Wire Half Duplex

•

9600 bps, 8 bits, 1 stop bit, no parity

•

no flow control

Command set specification

Command Format

•

All commands are in ASCII characters format except the first DEVICE ADDRESS

byte

•

DEVICE ADDRESS is an 8 bit hexadecimal character assigned by the 8 bit DIP

switch on this device

•

All commands begin with DEVICE ADDRESS and "*" (asterisk) character and end

with <CR> character (0D hexadecimal)

•

All commands RETURN with some feedback begin with DEVICE ADDRESS and "*"

(asterisk) character and and end with <CR> character (0D hexadecimal)

•

If a command produces an error or structured with incorrect syntax, the system

will return with "<ADDR>?<CR>" characters

•

Multiple commands require a delay of 500ms between commands