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Energy Metering IC Energy Metering module Energy metering related
Answer: when the module is applied, such as direct plug-in welding, it is forbidden to use strong current lines on the PCB surface at the b...
2022-11-24Answer: if 3.3V power supply is required, the rdj of the module needs to be short circuited (as shown in the figure below). This operation ...
2022-11-24Users do not need to worry that the module will be burnt or not measured if the live line and zero line are connected reversely. The module...
2022-11-24Answer: the communication port of im1281b is UART port. This communication port belongs to point-to-point communication. In principle, it i...
2022-11-24Answer: the im1281b electric energy metering module supports MODBUS and DL / T 645-2007 protocols at the same time. Therefore, it can direc...
2022-11-24Answer: if the im1281b electric energy metering module encounters communication failure, first check whether the communication parameters o...
2022-11-24Answer: the maximum measuring current of im1281b standard is 50A. If AC current or power with larger current range is required, this module...
2022-11-24Answer: im1281b electric energy metering module adopts double isolation sampling of voltage and current. Therefore, during actual test and ...
2022-11-24Answer: the calculation formula of standard active power is: voltage x current x power factor (uxixcos Φ), Never lower the power factor. ...
2022-11-24A: it is recommended that you purchase at least 2pcs or more for the first time to facilitate testing. After purchasing the module, our sal...
2022-11-24A: im1281b can only conduct AC measurement. If you need DC measurement, you need to choose another module im1253b.
2022-11-24GND of 5V output of this power supply cannot be grounded with PC / laptop terminal .Generally, DC source can be used for power supply. If t...
2022-11-24Answer: the wiring diagram of im1253b single-phase electric energy metering module with external high current manganese copper is as follow...
2022-11-24Answer: the wiring diagram of im1253b single-phase electric energy metering module of external transformer is as follows:
2022-11-24Answer: when the module is applied, such as direct plug-in welding, it is forbidden to use strong current lines on the PCB surface at the b...
2022-11-24Users do not need to worry that the module will be burnt or not measured if the live line and zero line are connected reversely. The module...
2022-11-24Answer: the communication port of im1253b is UART port. This communication port belongs to one-to-one communication port and cannot realize...
2022-11-24A: im1253b is an upgraded version based on im1253 and according to customer requirements. It has a great improvement in function compared w...
2022-11-24Answer: im1253b can measure the voltage, current, power and electric energy generated on the charging or discharging line of the battery, b...
2022-11-24Answer: the maximum measuring current of im1253b standard is 16A. If DC or AC current or power with larger current range is required, this ...
2022-11-24