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Functions
3.7 Digital Input and Output Interface
SICAM P37, 3-phase Harmonic Power Meter, User Manual
E50417-H8940-C563-
4
, Release Date
06.2018
18
3.7
Digital Input and Output Interface
Power Pulse Output
This meter provides two power pulse outputs: active and reactive, with internal opto-isolation, pulse output
width (80±20) ms, maximum allowable passing current 10 mA (DC) and operating voltage range 5 V to 80 V
(DC).
Figure 3-1
Circuit Diagram of Power Pulse Output Interface
Binary Input Interface
This product is provided with 4-digit binary inputs interface based on passive dry contact. Terminals are identi-
fied as DI1, DI2, DI3, DI4 and COM. COM is the common terminal.
Figure 3-2
Circuit Diagram of Binary Input Interface