Technical features of ABB PPD113B0326115615

ABB PPD113B0326115615 has many advanced technological features. It adopts high-end current detection technology, which can effectively reduce the impact of current mismatch in 3-wire mode. The advantage of this technology is particularly evident for lower RTD lead resistance values. The selection of its reference resistance is very precise and needs to be determined based on the maximum expected resistance of the RTD. It is usually chosen as 3.92 k Ω, which can support Pt1000 RTD measurements up to 850 ° C. At 850 ° C, the RTD resistance is 3.9048 k Ω. Moreover, the accuracy of RREF resistors directly affects measurement accuracy, so precision and low drift resistors must be used. In 4-wire mode, the excitation current must be set to 250 µ A, and in 3-wire mode it must be set to 100 µ A. This precise current setting ensures measurement accuracy and stability.

The data transmission advantages of ABB PPD113B0326115615

ABB PPD113B0326115615 has significant advantages in data transmission. It may eliminate the need for dedicated cables for data transmission, for example, for a local area network, shorter transmission lines allow for operation at Mbps, which is sufficient for a floor in an office building or home. Consumers can purchase power line adapters to establish wired connections, use existing home wiring to set up their own LAN, and utilize existing home wiring for data transmission, saving costs and space. At the same time, it may also adopt interface abstraction processing techniques, allowing for changes or extensions in one domain without requiring any modifications in another domain. New IT applications can be integrated into the overall solution without the need to change the OPC UA interface on the OT side or adjust IT applications to match changes on the production side, as long as the OPC UA interface implemented in the middleware remains unchanged, reducing integration work.

Current detection technology of ABB PPD113B0326115615

The current detection technology of ABB PPD113B0326115615 is advanced and reliable. It may have used current detection technology similar to other ABB products, measuring current based on the Hall effect. When the primary wire passes through the current sensor, the primary current will generate magnetic field lines, which are concentrated around the magnetic core. The Hall electrode built into the air gap of the magnetic core can generate a voltage of only a few millivolts proportional to the primary magnetic field lines. The electronic circuit can convert this small signal into a secondary current, and the output signal is proportional to the input signal. This current detection technology can measure various types of currents, from direct current to alternating current of several tens of kilohertz, and has the characteristics of high accuracy and high stability.

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