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13-7．Example of data communication
●When power is turned on
Communication data is shown below in chronological order when request for sending is executed in
power-on for the amplifier.
Initial request response at the first, and then data update request response is answered from the ampli-
fier.
Then, if the status of amplifier has not changed, only transmission completion response is answered.
Shown below is the status where the amplifier is connected with host ID = 01h (1), amplifier ID = 81h
(129).
It is represented by ASCII characters. (Data in the parenthesis is hexadecimal ASCII code.)
①Request for sending
SOH
Host
→
(01h)
Amplifier
←
Host
→
Ｉ
Amplifier
←
(49h)
1
Host
→
(31h)
Amplifier
←
③Request for sending
SOH
Host
→
(01h)
Amplifier
←
Host
→
Ｃ
Amplifier
←
(43h)
1
Host
→
(31h)
Amplifier
←
⑤Request for sending
SOH
Host
→
(01h)
Amplifier
←
8
1
0
1
(38h)
(31h)
(30h)
(31h)
9
9
9
9
(39h)
(39h)
(39h)
(39h)
0
1
ACK
(30h)
(31h)
(06h)
SOH
(01h)
8
1
0
1
(38h)
(31h)
(30h)
(31h)
8
1
0
3
(38h)
(31h)
(30h)
(33h)
0
1
ACK
(30h)
(31h)
(06h)
SOH
(01h)
8
1
0
1
(38h)
(31h)
(30h)
(31h)
ENQ
(05h)
②Initial request response
SOH
0
1
(01h)
(30h)
(31h)
0
0
0
0
(30h)
(30h)
(30h)
(30h)
0
1
8
1
(30h)
(31h)
(38h)
(31h)
ENQ
(05h)
④Data update request response
SOH
0
1
(01h)
(30h)
(31h)
0
0
0
2
(30h)
(30h)
(30h)
(32h)
0
1
8
1
(30h)
(31h)
(38h)
(31h)
ENQ
(05h)
⑥Transmission completion response
SOH
0
1
(01h)
(30h)
(31h)
№ SX-DCT00221 -48-
8
1
STX
#
(38h)
(31h)
(02h)
(23h)
SOH
8
(01)
(38)
ETX
BCC
(03h)
(6Bh)
EOT
(04h)
8
1
STX
#
(38h)
(31h)
(02h)
(23h)
SOH
8
(01)
(38)
ETX
BCC
(03h)
(69h)
EOT
(04h)
8
1
EOT
(38h)
(31h)
(04h)
Panasonic Corporation
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