Metrohm 746 VA Trace Analyzer - Manual (Page 427)

5.7 Program instructions
746 VA Trace Analyzer / 747 VA Stand
5-276
SCANCTRL Page: O, S Stand: M, A Abbreviation: S
Instructions t/s Main parameters Auxiliary parameters
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## .. SCANCTRL ..... Code ........ Test ....
Function Inquiry of the input control lines 1...8 and stop of the program until either
the test condition is met or the line time has elapsed.
Parameter Range; Default value / Meaning
Code 1, 0, *; *
Comparison code for test
8-digit numeric code for status of the input control lines 1...8. The
following values can be entered for each line:
0 off, inactive (5 V)
1 on, active (0 V)
* immaterial
Test =, <>; =
Condition for test
This parameter can be used to select whether the program run should
be continued on correspondence or non-correspondence of compari-
son status and actual status of the input control lines:
= Program continuation if status of the control lines =
comparison code (or when line time has elapsed)
<> Program continuation if status of the control lines ≠
comparison code (or when line time has elapsed)
Description The SCANCTRL instruction is used to stop the program run and poll the
status of the input control lines 1...8 of the remote interface "Control
Lines". The program is not continued until its status is equal (
= ) or not
equal ( <> ) to the preset comparison status Code or after elapse of the
line time.
The SCANCTRL instruction can be used to monitor functions of external
devices attached to the remote interface.
Comments The attachment of devices to the remote interface is described in section
3.13.
see also SETCTRL