CONTREX CX-1200 - Manual (Page 295)

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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