CONTREX CX-1200 - Manual (Page 291)

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Set Trace Configuration and enable or disable the internal trace data capture.
Message Control byte value: 4 or 5
Table 61 Host Transmission
Byte #
DESC
Decimal
1
STX
Hex
2
02
2 3 4 5 6 - 16 17 18 19
Length Address Function Control Data Field EXT CRC
19 1 - 99 11 4 or 5 3 0 - 65535
13 01 - 63 0B 04 or 05 03 0000 - FFFF
Data Field per Table 61
Byte #
DESC
Decimal
6
Trace Parm 1
Hex
0 - 90
0000 - 005A
7 9 10 11 12 14 15 16
0 - 90 0 - 90 0.000 - 2.000 0 - 3
0000 - 07D0 00 - 03
Trace Parm 2 Trace Parm 3 Trace Parm 4 Pre-Trigger Resolution
8 13
0 - 90
0000 - 005A 0000 - 005A 0000 - 005A
Message length = 19
Result: Trace parameters 1 to 4 and the pre-trigger time value are all set, and the Trace Data collection is
enabled or disabled.
Table 62 CX-1200 Response
Byte #
DESC
Decimal
1 2 3 4 5 - 9 10 11 12
STX Length Address Msg Error Data Field ETX CRC
Hex
2 12 1 - 99 0 - 255 3 0 - 65535
02 0C 01-63 00 - FF 03 0000 - FFFF
Data Field per Table 62
Byte #
DESC
Decimal
6
TrcParm 4 Error
Hex
0 - 32
00 - 20
7 9
0 - 32 0 - 32 0 - 32
00 - 20
TrcParm 1 Error TrcParm 2 Error TrcParm 3 Error Pre-Trigger Error
8
0 - 32
00 - 20 00 - 20 00 - 20
5
Message length = 12 bytes