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7−2−5. Operation of comparator S0
The comparator S0 in the instrument can select one among 11 operations from “00000” to
“00010”. These selections can be made in the Function mode (Related function F−33)
As for default, the “0000” has selected.
Warning ● Depending on the selection of S0 operation, ON/OFF condition for
each S0 open collector output may differ. If wrong operation is
selected, ON/OFF condition for S0 open collector output becomes
inadequate and it may cause an unexpected accident due to
malfunctions on peripheral instruments, so care should be taken fully.
As example, the operation of S0 judgement display and S0 open collector output at the time of
whichever is selected from the “00000” to “00010” with the function F−33, are shown in the
following table.
Setting of F−33
Operation
00000 ON when (Load display value)≧(The maximum display value)
00001 ON when both of S1 and S2 open collector output are OFF.
00002 ON when both of S1 and S3 open collector output are OFF.
00003 ON when both of S1 and S4 open collector output are OFF.
00004 ON when both of S2 and S3 open collector output are OFF.
00005 ON when both of S2 and S4 open collector output are OFF.
00006 ON when both of S3 and S4 open collector output are OFF.
00007 Operation whichever “open collector ON at more than the set value”
or “open collector ON at less than the set value”.
00008 HOLD interlocked with LED
00009 A/Z interlocked with LED
00010 LOCK interlocked with LED
00011 On when the detection of stability (refer to 7−7)
In the next, as for the sample, the operation at S0 judgement display and S0 open collector
output selected “00000” with the Function F−33 will be shown as follows. The operation for S0
comparator when the “00002” to “00006” are selected will be the same as the operation of S1,
S2, S3 and S4 written in the paragraph 7−2−3, and 7−2−4.
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