Toshiba TD-E502 Users Guide for Model TD-E432 TD-E502 TD-E552 TD-E652 - Page 56

TSB.book Page 56 Monday, August 31, 2015 4:30 PM 56 Chapter 3 How to use the LCD Display Monitor 2 Command protocol i. The communication protocol setting is as follows: Protocol Baud rate Data length Parity bit Stop bit Flow control Communication Settings RS-232C 9600 [bps] 8 [bit] None 1 [bit] None ii. Control command protocol: The command is structured by the command length code, ID code, command type code, function code, data code and end code. The length of the command is different for each function. Command length code ID code Command type code Command code Data code (value) End code (CR) Command Protocol Total byte of message excluding end code. Identification for each of the displays. 0x73: Set command; 0x67: Get command; 0x72: Reply command; 0x2B: Valid command reply; 0x2D: Invalid command reply Each control function is assigned to a unique command code. Value of each control function 0x0D A remote tool (terminal software), helps users send control commands more conveniently. When you use the terminal software, you can adjust the timeout period in the user interface. The default timeout value is 5,000ms. If the computer does not acknowledge the message within the timeout period, a transmission error is assumed to have occurred. If the LCD display receives the command, it will send a return command to the computer. The computer checks the return command to see whether or not the command it sent was received, and must receive the return command before sending the next command.