Digital Input And Output Interface - Siemens SICAM P37 Manual

Functions

3.7 Digital Input and Output Interface

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
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
18
Circuit Diagram of Power Pulse Output Interface
Circuit Diagram of Binary Input Interface
SICAM P37, 3-phase Harmonic Power Meter, User Manual
E50417-H8940-C563-4, Release Date 06.2018