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Paradise 205486 REV F User Manual

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92 
 205486 REV F 
Operations Manual, HPA2, Compact Outdoor SSPA 
Byte position 
Byte Value (Hex) 
Description 
1 
0xAA 
Frame Sync 1 
2 
0x55 
Frame Sync 2 
3 Destination 
Address 
-//- 
4 
Source Address 
-//- 
5 
Protocol Version 
Protocol compatibility hole, must be set to 0 
6 
Request ID 
Service Byte 
7 
Command 
0, Set Request; 1, Get Request 
8 
Data Tag 
0, System Settings; 1, System Thresholds; 2, Temp. Sensor Set-
tings; 3, Conditions; 4, ADC Data; 5, Raw NVRAM/RAM Data 
9 
Data Address 
Setting number, Sensor command, EEPROM address 
10 
Data Length 
Total length of the data, valid values 1-30 
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 10-4: Request Frame Structure 
Byte position 
Byte Value (Hex) 
Description 
1 
0xAA 
Frame Sync 1 
2 
0x55 
Frame Sync 2 
3 Destination 
Address 
-//- 
4 
Source Address 
-//- 
5 
Protocol Version 
Protocol compatibility hole, must be set to 0 
6 
Request ID 
Service Byte 
7 
Command 
2, Set Response; 3, Get Response 
8 
Data Tag 
0, System Settings; 1, System Thresholds; 2, Temp. Sensor Set-
tings; 3, Conditions; 4, ADC Data; 5, Raw NVRAM/RAM Data 
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 1-30 
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 10-5: Response Frame Structure