Optoma Technology EP757 用户手册
EP757 RS232 Protocol function list
Interface
3 wires RS-232C Protocol
Baud Rate : 9600
Data Bits: 8
Parity: None
Parity: None
Stop Bits: 1
Flow Control : None
Command Sequence
Command Sequence
Write
Basic Protocol
Header :
Address Code :
Command Code :
Data :
Data :
Terminator Code :
Delimiter : Space
‘*’
‘0’ fixed
ASCII Text
Fixed 3 digits
Fixed 3 digits
Carriage Return
Carriage Return
Command Sequence
Read
Basic Protocol
Header
Address Code
Command Code
Data
Terminator Code
Delimiter
‘*’
‘0’ fixed
ASCII Text
‘?’ fixed
‘?’ fixed
Carriage Return
Carriage Return
Example
* 0 IR 002 [CR]
Acknowledgement
* 0 IR 002 [CR]
Acknowledgement
Basic Protocal
Receive OK
Unknown Command
Invalid Command
In current source
Data value out of range
Data response
?*000<CR>?
?*255<CR>?
?*001<CR>?
?*002<CR>?
As Write Command
Format
Format