Rs 485 Data Interface - VOLTCRAFT VSM-102 Bedienungsanleitung

Display of the currently infed power P (P1+P2+P3)
Negative prefix; the power fed into the mains is displayed but not counted.
0: Sum of the power currently fed into the mains on all three phases in kilowatt
1: currently power fed into the mains on phase 1
2: currently power fed into the mains on phase 2
3: currently power fed into the mains on phase 3

RS 485 DATA INTERFACE

The meter has a bidirectional RS 485 interface that can be used for reading data.
This interface is galvanically isolated from the meter electronics
Terminal connection A
uninverted signal line
RS-485 Interface
Terminal connection B
Inverted signal line
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