A symmetric multiprocessor includes with a hierarchical ring-based interconnection network is disclosed. The symmetric processor includes a plurality of buses comprised on the symmetric multiprocessor, wherein each of the buses are configured in a circular topology. The symmetric multiprocessor also includes a plurality of multi-processing nodes interconnected by the buses to make a hierarchical ring-based interconnection network for conveying commands between the multi-processing nodes. The interconnection network includes a command network configured to transport commands based on command tokens, wherein the tokens dictate a destination of the command, a partial response network configured to transport partial responses generated by the multi-processing nodes, and a combined response network configured to combine the partial responses generated by the multi-processing nodes using combined response tokens.

The invention relates to a method for communicating data between communication equipments, where the first communication equipment (EqptN) is put into the emission mode (Xmit) for the frame (TrN) containing its identification (D_PID), while each second communication equipment (Eqpt1, EqptN+1, EqptN+x) is put into the receiving mode (Rcv), then the equipment (EqptN) is put into the receiving mode (Rcv), each equipment (Eqpt1, EqptN+1, EqptN+x) prescribes its local emission window (Ftle1, FtleN+1, FtleN+x), which is associated with its identification, during which it is put into the emission mode (Xmit) for its frame, a time of beginning (IDF1, IDFN+1, IDFN+X) of the window being a determined function, increasing with respect to a difference equal to its identification from which the identification (D_PID) is subtracted, each equipment is put into the emission mode, during which it emits its frame containing its identification during its window starting at the beginning time.

According to an example, key splitting may include utilizing a masked version of a master key that is masked by using a mask.

According to an example, key splitting may include utilizing a masked version of a master key that is masked by using a mask.

A CAN module that can be integrated between a CAN controller and a CAN transceiver includes a receive data (RXD), input interface for receiving a first bit sequence through a RXD stream and a RXD output interface for sending a manipulated receive data (MRXD), stream including a second bit sequence. A processing logic of the CAN module is configured to manipulate the first bit sequence to generate a second bit sequence comprising a second stuff bit at a second position in the second bit sequence corresponding to a first position of a first stuff bit in the first bit sequence such that the second stuff bit is complementary to a preceding bit of the second stuff bit in the second bit sequence. The present disclosure also relates to a method for the CAN module.

Provided is a production system including: a first industrial machine; and a second industrial machine configured to periodically communicate to and from the first industrial machine. The second industrial machine is configured to transmit its data to the first industrial machine through use of each of a plurality of periodic regions included in one period.

The present disclosure provides a controller area network (CAN) bus network access unit, a related network, a method, and an apparatus. The CAN bus network access unit includes: a first CAN bus; a second CAN bus; a first CAN bus transceiver and a second CAN bus transceiver, respectively communicatively coupled to the first CAN bus and the second CAN bus and respectively configured to communicate with another first CAN bus and another second CAN bus in another CAN bus network access unit; a first port, communicatively coupled to the first CAN bus; and a plurality of variable connection ports, where each variable connection port is communicatively coupled to one of the first CAN bus and the second CAN bus, or communicatively coupled to neither the first CAN bus nor the second CAN bus. In embodiments of the present disclosure, an electric control part used in a conveying line is standardized. A time-delay is reduced and costs of network wiring and device management are reduced.

A transceiver for a CAN bus system and a method for detecting a short circuit using a CAN transceiver. The transceiver includes a transmitter for transmitting a transmission signal to a first bus wire of a bus of the bus system, exclusive, collision-free access to the bus of the bus system of a user station being at least temporarily ensured in the bus system, and for transmitting the transmission signal to a second bus wire of the bus, a receiver for receiving the bus signal transmitted on the bus wires, and a diagnostic unit for detecting a short circuit in the bus system, the diagnostic unit being designed to carry out a diagnosis only in a predetermined communication phase of the bus signal.

A transceiver for a CAN bus system and a method for detecting a short circuit using a CAN transceiver. The transceiver includes a transmitter for transmitting a transmission signal to a first bus wire of a bus of the bus system, exclusive, collision-free access to the bus of the bus system of a user station being at least temporarily ensured in the bus system, and for transmitting the transmission signal to a second bus wire of the bus, a receiver for receiving the bus signal transmitted on the bus wires, and a diagnostic unit for detecting a short circuit in the bus system, the diagnostic unit being designed to carry out a diagnosis only in a predetermined communication phase of the bus signal.

A transceiver for sending and receiving data from a controller area network (CAN) bus is disclosed. The transceiver includes a microcontroller port, a transmitter and a receiver. The transceiver is configured to receive a data frame from a microcontroller via the microcontroller port and to determine if the microcontroller is authorized to send the data frame or part of it based on a message identifier in the data frame and the outcome of the arbitration process. If the microcontroller is unauthorized to send the data, the transceiver is configured to invalidate the data frame and disconnect the microcontroller from the CAN bus for a predetermined period.