Specifications

82 209351 REV B Operations Manual, Redundant System Controllers
Byte Tag Description
1 0xAA Frame Sync 1
2 0x55 Frame Sync 2
3 Destination Address - // -
4 Source Address -// -
5 Protocol Version Protocol Compatibility Byte, must be set 0
6 Request ID Service Byte
7 Command 2 Set Response; 3 Get Response
8 Data Tag
0 System Settings; 1 System Thresholds;
2 Reserved; 3 Conditions; 4 ADC Data;
5 Reserved; 6 Packet Wrapper
9 Error Status
0 – No Errors, 1- Too Big, 2 No Such Data,
3 Bad Value, 4 Read Only, 5 Bad Checksum; 6
Unrecognized Error
10 Data Length Total length of the data, valid values: 1 – 10
11+N Data Actual Data
11+N+1 Checksum
Dest. Address + Source Address + Protocol
Version + Request ID + Command + Data Tag +
Data Address + Data Length + Data
Table 7-5:. Response Frame Structure