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General Information on Wiring
Wiring for S0 meter
3 General Information on Wiring
3.1 Wiring for S0 meter
The SO connection for external power meters is connected to a 6-pin S0A-In/Out connection (S0-IN A and
S0-OUT) or to a 4-pin S0-IN B as follows:
SO meters in general
S0
Solar-Log™
Power meter
PIN Assignment
1 S0+
2 S0-
3
4
Place a cable bridge between pin 3 and 4 on the Solar-Log™.
3.2 Wiring for RS485 meter
The meter's RS485 output can be connected to any RS485 interface (A, B and C) on the Solar-Log™.
Overview
•
2-pin wiring
•
The communication address has to be assigned.
Installation steps
•
Switch off the meter and Solar-Log™.
•
Connect the meter to the Solar-Log™.
3.3 Wiring meters to record self-consumption
There are two options to record self-consumption via the Solar-Log™:
•
Measuring just the consumption.
•
Measuring with bi-directional measurements (two-way measurements) at the grid connection point
behind the utility company meter.
Fundamentally, a separate meter needs to be installed to record energy consumption.
The meters used by utility companies generally cannot be used to send data to the Solar-Log™.
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