Communication System for a Control System Over Ethernet and IP Networks
First Claim
1. A communication system for communication within a control system, the communication system comprising:
- a plurality of devices connected to an industrial communications network, each device configured for real time data transfer and being adapted to directly exchange data with the other devices;
one of the plurality of devices configured for sending a frame on the network using internet user datagram protocol transport layer and internet protocol, the frame including an accelerator field comprising a string of bits, wherein each of at least a plurality of the bits of the string of bits are associated with a different plurality of logical device identifications, whereby the value of each of the plurality of bits indicates whether the frame is associated with the corresponding plurality of logical device identifications so that a device may determine quickly if data may be addressed to that device in the rest of the frame; and
at least one other of the plurality of devices, if interested upon review of the accelerator field, configured for receiving the frame from the network.
0 Assignments
0 Petitions
Accused Products
Abstract
A communication system is provided for communication within a control system. The communication system has a plurality of simple devices connected to an intra-level communications network, each simple device being adapted to directly exchange data with the other simple devices. The communications system also has at least one intelligent device connected to the intra-level communications network, each intelligent device being adapted to directly exchange data with each simple device on the intra-level communications network. The communication system can have a plurality of intra-level communications networks. The intra-level communications networks can be directly connected by an intra-level core connector or by an inter-level core connector through an inter-level network of the intelligent devices
12 Citations
21 Claims
-
1. A communication system for communication within a control system, the communication system comprising:
-
a plurality of devices connected to an industrial communications network, each device configured for real time data transfer and being adapted to directly exchange data with the other devices; one of the plurality of devices configured for sending a frame on the network using internet user datagram protocol transport layer and internet protocol, the frame including an accelerator field comprising a string of bits, wherein each of at least a plurality of the bits of the string of bits are associated with a different plurality of logical device identifications, whereby the value of each of the plurality of bits indicates whether the frame is associated with the corresponding plurality of logical device identifications so that a device may determine quickly if data may be addressed to that device in the rest of the frame; and at least one other of the plurality of devices, if interested upon review of the accelerator field, configured for receiving the frame from the network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A communication system for communication within a control system, the communication system comprising:
-
a plurality of simple devices connected to an intra-level industrial communications network, each simple device of the plurality of simple devices being adapted to directly exchange data with the other simple devices of the plurality of simple devices; at least one intelligent device connected to the intra-level industrial communications network, each of the at least one intelligent device being adapted to directly exchange data with each simple device on the intra-level industrial communications network; and one of the devices being adapted to send a frame on the network using internet datagram transport layer and internet protocol.
-
-
12. A communication system for communication within a control system, the communication system comprising:
-
a plurality of input/output devices connected to a first intra-level communications network, each input/output device being adapted to directly exchange data with the other input/output devices within the first intra-level communications network; communications network, each programmable logic controller being adapted to directly exchange data with each input/output device on the first intra-level communications network; a plurality of input/output devices connected to a second intra-level communications network, each input/output device being adapted to directly exchange data with the other input/output devices within the second intra-level communications network; at least one programmable logic controller connected to the second intra-level communications network, each programmable logic controller being adapted to directly exchange data with each input/output device on the second intra-level communications network; and
,an intra-level core connector for directly connecting the first intra-level communications network to the second intra-level communications network. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
-
-
21-36. -36. (canceled)
Specification