C-Link Protocol Commands
Datalogging
B-22 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Send: set copy sp to lrec
Receive: set copy sp to lrec ok
set copy lrec to sp
set copy srec to sp
set copy stream to sp
These commands copy the current contents of the long record, short record,
or streaming data list into the scratch pad (sp). These commands are useful
in easy modification of current long record, short record, or streaming data
lists. The example below copies the current list of long records into the
scratch pad.
Send: set copy lrec to sp
Receive: set copy lrec to sp ok
sp field number
This command reports the variable number and name stored at index in the
scratch pad list. The example below shows that the field 5 in the scratch pad
is set to index number 13, which is for the variable NO
x
concentration.
Send: sp field 5
Receive: sp field 5 13 pres
set sp field number value
number = 1-32 is the maximum number of fields in long and short record
lists.
number = 1-18 is for streaming data lists.
This command sets the scratch pad field number (item number in scratch
pad list) to value, where value is the index number of a variable in the analog
out variable list. Available variables and their corresponding index numbers
may be obtained using the command “list var aout”. The “set sp field”
command is used to create a list of variables which can then be transferred
into the long record, short record, or streaming data lists, using the “set copy
sp to lrec”, “set copy sp to srec”, or “set copy sp to stream” commands.
Send: set sp field 1 34
Receive: set sp field 1 34 ok
stream per
This command reports the currently set time interval in seconds for
streaming data.
Send: stream per
Receive: stream per 10
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