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12.2.5 The charger signal wiring
The charger and smart meter signal wiring: the charger and smart meter are connected by RS485
communication cable, and the charger RS485 signal wiring is shown in the following figure:
The charger signal port "4" is RS485 signal A1 (red arrow in above figure);
The charger signal port "5" is RS485 signal B (blue arrow in above figure);
The charger signal RS485 signal A1 is added with 120Ω terminal resistance.
Summary of Contents for H Series
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