Eizo Raptor SQ2801, User Manual

Page: 49 / 59

4.2 Simplified Protocol
The simplified protocol uses a data packet structure similar to the standard protocol, however with
reduced functional range. Calculation of CRC check sum is similar to description in section 4.1.3 page
47.
Interface Parameters
Baud-Rate
19200
Parity None
Data-Bits 8
Stop Bits 1
Handshake No
ACK-Message
OK 0x06
Protocol
Host Monitor
Control Packet
Data Packet
or ACK (OK)
Maximum response time of the monitor is 200 ms. In case of an error in transmission, the monitor
does not respond.
4.2.1 Data Packet Structure
Byte No 0 1 2 3 4 5 6 7 8 9 10
Data 0xBE 0xEF 0x10
Len-L Len-H
CRC-L CRC-H
CMD
Data 0 Data 1 Data
Byte No 11 12 13 14 15 16 17 18 19 20
Data Data Data Data Data Data Data Data Data Data Data
-L
= Lower Byte
-H
= Higher Byte
CMD
(BYTE) : Command
Len-L / H
(WORD) : Number of data bytes
CMD
+ Data 0 to Data xx
49 4
Serial Communication