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1.发明授权公开(公告)号：US11822315B2
公开(公告)日：2023-11-21
申请号：US17932377
申请日：2022-09-15
Applicant: ILPUM CORP.
Inventor： Zeajong Kang
IPC: G05B19/41 , G05B19/4155
CPC classification number: G05B19/4155 , G05B2219/31135
Abstract: A device and a method for interlinking conventional fieldbus-based automatic control system with IoT at a subordinate position are provided. According to the present disclosure, the interlinking system device comprise a fieldbus connection unit connected to an operation device based on a fieldbus protocol and configured to operate as an input-output device, a fieldbus virtual input-output memory configured to memorize input-output information exchanged with the operation device, an IoT connection unit connected to an IoT platform based on an IoT protocol and configured to operate as an IoT device, a message formation unit configured to apply message metadata received from the IoT platform via the IoT connection unit and a message processing unit configured to process an input-output message based on the message metadata and the input-output information.
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公开(公告)号：US12140922B2
公开(公告)日：2024-11-12
申请号：US17932411
申请日：2022-09-15
Applicant: ILPUM CORP.
Inventor： Zeajong Kang
Abstract: A PLC according to an embodiment of the present invention is disclosed. The PLC according to an embodiment of the present invention comprises: a master unit; and a plurality of interface units which access the master unit via a system bus. The master unit includes: a control unit for controlling input/output and processing commands; and a plurality of first RJ45 terminals for input/output of data, wherein a maximum of eight signals are arranged via each pin of each of the first RJ45 terminals. Each of the interface units includes a connection means for connecting a signal between a second RJ45 terminal for connecting a signal line from each of the first RJ45 terminals and an external device, wherein the interface units are configured to be expandable by the number of the first RJ45 terminals.
