Fig.23. Principle of timer operation
11. CURRENT TRANSFORMER INPUT
After connecting the current transformer (designation CT-94-1),
the measurement and display of the current fl owing through the load
steered by the output 1, is possible.
The fi rst output must be of relay or voltage 0/5 V type. For the current coun-
ting, the minimal time of the output switching on must be at least 200 ms.
The transformer work range is equal from 0 to 50 A. The heater current
is displayed with the mark “a” in the fi rst position. In order to display the
heater current, one must press the
push-button till the moment
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