43
7−2−2.
Operation on comparator S1, S2, S3 and S4
The comparator in the instrument, S1, S2, S3 and S4 individually can select the operation
whichever “contact ON at greater than or equal to set value” or “contact ON less than the set
value”. These selection can be made in the Function mode(related Function FUNC−12).
As for default, “contact ON at greater than or equal to set value” is selected for every S1, S2, S3
and S4.
Warning ● Depending on operational selection for comparator, ON/OFF
condition for each contact output may differ. If wrong mode is
selected, ON/OFF condition for contact output becomes inadequate
and it may cause an unexpected accident due to malfunction on
peripheral instruments, so care should be taken fully.
As for the sample of S1, operation on judgement display section and contact output will be
shown as follows. Same are the case of S2, S3 and S4.
(1)
When the operation of “contact ON at greater than or equal to set value” is selected.
S1 judgement display, S1 contact output ON at (S1 set value) ≦(Display value)
S1 Set Value
Display(heavy)
Display(light)
ON
OFF
S1 judgement display,
S1 contact output
(2)
When operation of “contact ON at less than set value” is selected.
S1 judgement display, S1 contact output ON at (S1 set value) ≦(Display value)
S1 Set Value
ON
OFF
Display(light)
Display(heavy)
S1 judgement display,
S1 contact output
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