Abb Schweiz Ag

Abb Technology Ltd

Huan Shi

Axel Lohbeck

Wei Liu

Robert Norberg

Wei Zhang

Zhe Liu

Xiaobo Wang

Liang He

Lihong Rao

Chengkun Deng

Yuehua Zou

An electrical module, a backplane for the electrical module, and a method of replacing a fuse for the electrical module. The electrical module includes a circuit board which has a power input port for inputting electric power to electrically drive an external device coupled to the electrical module. The electrical module also includes a fuse holder electrically coupled to the power input port and adapted to receive a fuse. A fuse detecting circuit is arranged on the circuit board and electrically coupled to the fuse via the fuse holder to detect a status of the fuse. An output port is arranged on the circuit board and coupled to the fuse detecting circuit to at least output detecting signals about the status of the fuse to a controller.

Electrical module and associated backplane

Embodiments of present disclosure relates to an electronic device and a method for current recycling. The electronic device comprises a transmission line, a bias resistor and a DC bias electrical connection. The transmission line is configured to transmit data. The bias resistor is coupled to the transmission line. The DC bias electrical connection is coupled between the bias resistor and a load at a terminal bias voltage. The DC bias electrical connection is configured to provide the bias resistor with the terminal bias voltage in case that DC bias current flows through the transmission line. By utilizing embodiments herein, the electronic device recycles current during data transmission to save power.

Recycling current in data transmission

Embodiments of the present disclosure provide industrial control apparatus and monitoring methods for industrial control apparatus. The industrial control apparatus comprises: at least one input or output module, each input or output module comprising a fuse adapted to be coupled between a power supply and a user load, and a detection assembly coupled to the fuse and configured to send a detection signal after monitoring that the fuse is blown; and a processing device communicatively coupled to the detection assembly of each input or output module and configured to output information that the input or output module associated with the detection signal is blown. By the aspects of the present disclosure, it is advantageous for an operator to timely obtain information that the fuse is blown and to improve the efficiency of locating and replacing the fuse.

Industrial control apparatus and monitoring method for industrial control apparatus

Embodiments of the present disclosure provide a protective circuit to be used in a digital output module, the digital output module comprises a first voltage source and at least an output terminal. The protective circuit comprises: a first sampling unit for sampling a first voltage relevant to the output current from the first voltage source, a first comparing unit for comparing the sampled first voltage with a first reference voltage, a control unit for generating a current regulating signal based on a result from the first comparing unit, and a current regulating unit for regulating the output current from the first voltage source based on the current regulating signal. This protective circuit provides overflowing and short circuit protection, and is cheap in cost.

Protective circuit with current regulating digital output module

A standalone automation device () comprises: a removable memory port (), configured to transmit data between the device () and the equipment () which also has a removable memory port; a removable memory control unit (), comprising a signal convertor () for converting a removable memory interface to a serial interface; a power supply unit (), configured to provide power supply when the device () is connected to the equipment () and disconnected to the field, and an isolation unit (), configured to isolate the power supply. Compared with the existing prior arts, the proposed solution is convenient for connecting with the computer or cellphone, especially with isolation solution for power supply.

Standalone automation device and a machine

Embodiments of the present invention disclose a circuit structure and a method for reducing power consumption of a device including an active module and a passive module. The circuit structure comprises: an active module () comprising a main output voltage () for powering a load () via a first current control device () which is configured to control a current passing through the load (), and an passive module () comprising a main output voltage () for when the active module () fails, powering the load () via a second current control device () which is configured to control a current passing through the load (). The passive module () further comprises an auxiliary output voltage () for when the passive module () is in a backup state, powering the second current control device () so as to enable the second current control device () to be in a switching-on state. Further, the auxiliary output voltage () of the passive module () is configured to be smaller than the main output voltage () of the passive module ().

Circuit structure and method for reducing power consumption of device including active module and passive module

Disclosed are an apparatus and a method for transmitting an analog signal, and an analog signal multiplexer. The apparatus comprises a photocoupler to receive an input analog signal and transform the input analog signal into an output analog signal, which varies with the input analog signal in a manner of non-linearity. The apparatus further comprises a non-linearity correcting unit to receive the output analog signal and correct the non-linearity to output a corrected output analog signal. An analog signal may be transmitted with a photocoupler.

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Hangzhou, China

Huan Shi