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In a single inverter system, the instrument is directly connected to the inverter. If your frequency converter has a built-in income rating table(RGM; this frequency converter is called an income level frequency converter), you can connect one on the same bus as the RGMAGF series rail smart meter has UL certificate.

2 AGF series rail smart meter has UL certificateinstallThe installation instructions should specify the national electrical code and ANSI/NFPA 70 wiring method used.

2.1 Installation GuideThe instrument is connected to the frequency converter through RS485.AC wire specifications: 1.3 to 2.0 mm diameter/22-18 AWG stranded wire, 600 V, THHN, MTW or THWN type.

RS485 wiring specifications:Cable type: at least 3-wire shielded twisted pair (4-wire cable can be used)Wire cross-sectional area: 0.32-0.81 mm 2/24-18 AWG (can be used with Category 5 cables)

Instruments are considered as "connecting devices" and require disconnecting devices (circuit breakers, switches, or circuit breakers) and overcurrent protection(Fuse or circuit breaker)

The instrument consumes 10-30mAh, therefore the rated value of any switch, circuit breaker, fuse, and/or circuit breaker is determined by the wire gaugeThe power supply voltage and the required current interruption rating are determined.Switches, circuit breakers, or circuit breakers must be located near the instrument and easy to operate.Use circuit breakers or fuses with a rated current of 20A or less.When monitoring multiple lines, use grouped circuit breakers.Circuit breakers or fuses must protect power terminals labeled L1 and L2. In rare cases where there is overcurrent protection at the neutral pointIn this case, the overcurrent protection device must simultaneously interrupt the neutral point and ungrounded conductor.The circuit protection/disconnection system must comply with all national and local electrical regulations.

2.2 Installation and Connection of Instruments2.2.1 Installing Instruments1. The instrument should be installed in the distribution box2. Install the instrument on a 35mm German industrial standard guide rail

2.2.2 Installing CTs:Before closing the current transformer, turn off the AC power supply.2. Install current transformers around the tested conductor. The split core current transformer can be installed three times around the conductor. canSecure nylon zip ties around the CT to prevent accidental opening.3. Install CT with arrows pointing towards the grid for consumption or outlet measurement.The current transformer is packaged together with the electricity meter.

2.2.3 Connecting instruments:If you want to connect the instrument to the frequency converter, please refer to the connection diagram below

1. Confirm that the power is turned off before connecting.

2. Thread the grounding cable through the appropriate conduit and open the circuit breaker, and connect it from the 5-pin terminal block to the grounding terminal

3. Use a 5-pin terminal block to connect the AC side wires (instrument input):a、 Thread the wire through the appropriate conduit and open the knocker.b、 Loosen the corresponding screws on the 5-pin terminal block.c、 Connect each AC wire to the corresponding screw terminal (pins 1 and 2). Confirm the lines and labels on the front of the instrument panelSymbol matching.d、 Connect ground to pin 5 and neutral to pin 3.e、 Tighten the screw to ensure that the wire * is inserted and not easily pulled out.f、 Insert the 5-pin terminal block into the socket of the electricity meter, ensuring that it is securely fixed in the meter.

4. Connect the CT wire to the 4-pin terminal block (block 1):a、 Thread the wire through the appropriate conduit and open the knocker.b、 Connect the blue and brown wires according to the dots printed on the label: blue to pin 1/3, brown to pin 2/4.c、 Insert the 4-pin wiring board into the socket of the instrument, ensuring that it is securely fixed in the instrument

5. Connect the RS485 twisted pair to the 4-pin terminal block o (terminal block 2):a、 Thread the wire through the appropriate conduit and open the knocker.b、 Connect the wires to terminals A+and b -, and connect the shield to terminal G.c、 Insert the 4-pin wiring board into the socket of the instrument, ensuring that it is securely fixed in the instrument

6. Place the terminal block of the wiring board back to the side of the instrument panel.

Ankerui Electric Co., Ltd. (code: 300286) was established in 2003, integrating research and development, production, sales, and services. It is a high-tech joint-stock enterprise that provides energy efficiency management and electricity solutions for enterprise microgrids.

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