Sony FWD-50PX2 Operating Instructions (SS-SP50FW Speakers) Protocol Manual page 21

(b) Serial Number
Syntax Header Category
Enquiry 0x83 0x30
Answer Header Answer
Enquiry 0x70 0x00
Return Data1-Data4: 0x001E8480_0x002DC6BF (2,000,000-2,999,999)
(c) Operation Time
Syntax Header Category
Enquiry 0x83 0x30
Answer Header Answer
Enquiry 0x70 0x00
Return Data1-Data4: 0x00000000_0xD693A3FF (0sec.-3,599,999,999sec.)
(d) Soft Version (Main CPU)
Syntax Header Category
Enquiry 0x83 0x30
Answer Header Answer
Enquiry 0x70 0x00
Return Data1_Data2: 0x0000_0xFFFF
ex) In Version0.100, it is set to 01 and 00.
(e) 8bits Register
Syntax Header Category
Enquiry 0x83 0x30
Answer Header Answer
Enquiry 0x70 0x00
Code Table(4-b)
Function
0x07 Digital 3.3 V
0x09 Digital 5 V
0x0A Temp1
0x10 Analog 5 V/9 V
FWD-50PX2
Function Data1
0x01 0xFF
Return to Return Data1
Data Size
0x05 Upper 8bit
Data
Function Data1
0x02 0xFF
Return to Return Data1
Data Size
0x05 Upper 8bit
Data
Function Data1
0x03 0xFF
Return to Data Size Return Data1
0x03 Upper 8bit Data
Function
Code Table(4-b)
Return to Data Size Return Data1
0x02 Code Table(4-b)
Return Data Unit
0x00-0xFF
0x00-0xFF
0x00-0xFF
0x00-0xFF 5 V voltage out
Data2 Check Sum
0xFF 0xB2
Return Data2 Return Data3 Return Data4 Check Sum
MiddleUpper MiddleLower
Data Data
Data2 Check Sum
0xFF 0xB3
Return Data2 Return Data3 Return Data4 Check Sum
MiddleUpper MiddleLower
Data Data
Data2 Check Sum
0xFF 0xB4
Return Data2
Lower 8bit Data
Data1 Data2
0xFF 0xFF
Check Sum
0xXX
Lower 8bit 0xXX
Data
Lower 8bit 0xXX
Data
Check Sum
0xXX Completed
Check Sum
0xXX
Completed
Completed
Completed
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