
29
RemoteControl
nSignature: 0x88805550
sCmd,sPara: reference at SCPI set
nChecksum:
32 checksum
A complete send command pack(from PC) as follows:
cSize:
0x0000003C,
sHeader: IDN?
sPara:
(blank)
nSignature: 0x88805550
nChecksum: 0x00002BC1
As command pack format and number of bits are fixed, so command words
and parameters which are not qualified with the specified number of bytes
must be filled hexadecimal. HEX:0x00.
Table 7-1 A complete command pack in Hex format
.
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
00 00 00 40 49 44 4E 3F
00 00 00 00 00 00 00 00
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
00 00 00 00 00 00 00 00 88 80 55 50 00 00 2B C1
Instrument response pack is 64 bytes, not sufficient for 0x00fill out. (Not
ASCII“0”)
A response pack (from instrument):
ASCII format:
AT4202,REV A1.0,00000000,Applent Instruments Inc.
To test instrument USB-
HID, we have free “ApplentHID communication
tester” software, you can download from:
www.applent.com
7.3.2
Notation Conventions and Definitions
A definition is not a part of a command, just used in interpretation and is not
included in transfer.
The following conventions and definitions are used in this chapter todescribe
USB-HID operation
Table7-2 Notation Conventions and Definitions
<>
Name of a parameter
[ ]
The content is optional
|
Select from several options
7.3.3
Parameter types
Parameters may be of four types as follows.