OF-METER
The OF-METER is an RS485 power meter that is simply used to measure power consumption. It is designed for installation in a switchboard (size 3 DIN modules). Its advantage is the PE15 function - a function for monitoring PV overflows to the distribution network. The device is equipped with a relay output R, which is permanently switched on and after exceeding the defined 15-minute maximum, the relay disconnects and thus ensures e.g. emergency disconnection of the PV plant to prevent unauthorized overflow (e.g. in case of failure of the standard control of the installed technology.
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- Consumption measurement: OF-METER accurately measures electricity consumption, individually per phase, including power factor, positive and negative energy.
- Calculation of 15-minute energy averages - negative and positive (supply to the grid and consumption from the grid).
- Relay output activated according to the value of overflow / consumed energy.
- Can also be used to disconnect the load if the reserved power consumption of the connection point is exceeded.
- The basic current range is 0-65A, current clamps with a diameter of 9mm.
- Optionally, current clamps with diameters of 16mm, 24mm, and 35mm are available.
- Extended current range -150 to +150A (measuring resistors need to be changed from 44 ohm to 22 ohm - solder jumpers J1, J2, J3 on the board).
- Default Modbus ID = 2, description of communication registers on request.
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