CONTREX CX-1200 User Manual
Page 295
7 - 56
FUNCTION (13) READ PARAMETER TRACE DATA/RE-READ PREVIOUS
Use this function to read the trace status byte.
Status Byte Definitions:
Bit 7
=
Not Defined (always 0)
Bit 6
=
Not Defined (always 0)
Bit 5
=
Not Defined (always 0)
Bit 4
=
Not Defined (always 0)
Bit 3
=
(1) Trace Complete (0) Not Complete
Bit 2
=
(1) Trace Active (trigger encountered, collecting data) (0) Not Active
Bit 1
=
(1) Trace Enabled (waiting for trigger to occur) (0) Disabled
Bit 0
=
(1) Trace Enabled (0) Disabled
Table 69 Host Transmission
Byte #
DESC
Decimal
1
2
3
4
5
6
7
Hex
STX
Length
Address
Function
ETX
CRC
2
8
1-99
13
3
0-65535
02
08
01-63
0D
03
0000-FFFF
Message Length = 7 bytes
Table 70 CX-1200 Response
Byte #
DESC
Decimal
1
2
3
4
5
6
7
8
STX
Length
Address Msg Error
Status
ETX
CRC
Hex
2
8
1-99
0-255
0-8
3
0-65535
02
08
01-63
00-FF
00-08
03
0000-FFFF
Status Bytes values:
Bits:
76543210
Decimal:
Description
00000000
= 0
Trace Disabled, no data collected.
00000001
= 1
Trace Enabled.
00000011
= 3
Trace Enabled, waiting for trigger.
00000101
= 5
Trigger Encountered, collecting data.
00001000
= 8
Trigger Complete, collecting data.
Message Length = 8 bytes