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Commands Chapter 5
EuroPak-15a Receiver User Manual Rev 5 59
5.3.10 LOG Request Logs from Receiver
Many different types of data can be logged using several different methods of triggering the log events. See
Chapter 6, Data Logs starting on Page 70 for further information and a complete list of data log structures.
The hold parameter, which is only valid when the ONTIME trigger is being used, will prevent a log from being
removed when the UNLOGALL command is issued. To remove a log which was invoked using the hold
parameter requires the specific use of the UNLOG command.
The period and offset parameters are only valid when the ONTIME trigger is being used as well. For example,
to log data at 1 second after every minute you would set the period to 60 and the offset to 1.
Maximum flexibility for logging data is provided to you by these logs. You are cautioned, however, to
recognize that each log requested requires additional CPU time and memory buffer space. Too many logs
may result in lost data and degraded CPU performance. Receiver overload can be monitored using the
Buffer Over-run bits of the Receiver Status word in any log header.
Syntax: Message ID: 1
LOG [ PORT ] MESSAGE [ TRIGGER ] [ PERIOD [ OFFSET ] [ HOLD ] ]
Field
Field
Name
Valid Values
Description Format
Binary
Bytes
Binary
Offset
ASCII Binary
1 header
This field contains the Abbreviated ASCII command name. See Section 4.1 on
Page 31.
H 0
2 port See Table 10 on Page 39.
Serial port at which to
output the log data.
Enum 4 H
3
message
Any valid message
name, with a suffix to
specify the output format
as explained in Section
4.2.3 on Page 35.
Any valid
message ID
Log to output UShort 2
H+4
4
message
type
This field is only present in Binary format.
See Section 10 on Page 39.
Message type of log. Char 1 H+6
5
Reserved field required for Binary format only. Set to 0 when entering the
command in Binary.
Char 1 H+7
6 trigger See Table 27 on Page 60.
Trigger, or condition,
to generate log on.
Enum 4 H+8
7 period Any positive double value.
Log period for
ONTIME trigger in
seconds
Double 8 H+12
8
offset Any positive double value smaller than
the value specified in the period field.
Offset for ONTIME
trigger in seconds.
Double 8 H+20
9 hold See Table 28 on Page 60.
Flag for whether or
not the log is removed
by the UNLOGALL
command. Valid for
ONTIME trigger only.
Enum 4 H+28