Sony FWD-50PX3 - Handbuch (Seite 4)

2
FWD-50PX3
4 Error answer
No. Item Value
1 Header 0xE0: Answer
2 Answer * 0x00: No Function Error
0x01: Check Sum Error
0x02: Data Length Error
3 Check Sum 0xXX
* 0x00: No Function Error Packet header,category or function code are
not included in this protocol.
0x01: Check Sum Error Check sum value or received packet is not
correct.
0x02: Data Length Error Packet is correctly received,but the data size
is over the upper limit.
(c) Answer message
1 Control answer
No. Item Value
1 Header 0x70: Answer
2 Answer * 0x00: Completed
0x01: Limit Over
0x02: Limit Under
0x03: Command Canceled
3 Check Sum 0xXX
* 0x00: Completed Packet is correctly received and process
is also correctly completed.
0x01: Limit Over Packet is correctly received, but the data
value is over the upper limit.
0x02: Limit Under Packet is correctly received, but the data
value under the lower limit.
0x03: Command Canceled Packet is correctly received, but the data
value is not correct or the request cannot
be accepted in the current host state.
* Check Sum: Sum total of 1 to X. Lower one-byte data
is validated when a value exceeds 255
(1byte).
2 Enquiry answer (Complete)
No. Item Value
1 Header 0x70: Answer
2 Answer 0x00: Completed
3 Return Data Size 0xXX
4 Return Data1 0xXX
: : 0xXX
: : 0xXX
X Return DataX 0xXX
X + 1 Check Sum 0xXX
* 0x00: Completed Packet is correctly received and process is also
correctly completed.
* Return Data: Returns the read value.
* Check Sum: Sum total of 1 to X. Lower one-byte data is validated
when a value exceeds 255 (1byte).
3 Enquiry answer (Command cancel)
No. Item Value
1 Header 0x70: Answer
2 Answer 0x03: Command Canceled
3 Check Sum 0x73
0x03: Command Canceled Packet is correctly received, but the data
value is not correct or the request cannot
be accepted in the current host state.