CONTROL SYSTEM, CONTROL METHOD AND EXTENSION BOARD
First Claim
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1. A control system, comprising:
- a master control device configured to control a first controlled object based on time information output from a first clock unit; and
a slave control device connected to the master control device via a network and configured to control a second controlled object different from the first controlled object based on control information transmitted from the master control device and time information output from a second clock unit,wherein the time information of the first clock unit and the time information of the second clock unit are time-synchronized.
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Abstract
A control system, includes a master control device configured to control a first controlled object based on time information output from a first clock unit, and a slave control device connected to the master control device via a network and configured to control a second controlled object different from the first controlled object based on control information transmitted from the master control device and time information output from a second clock unit. The time information of the first clock unit and the time information of the second clock unit are time-synchronized.
12 Citations
8 Claims
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1. A control system, comprising:
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a master control device configured to control a first controlled object based on time information output from a first clock unit; and a slave control device connected to the master control device via a network and configured to control a second controlled object different from the first controlled object based on control information transmitted from the master control device and time information output from a second clock unit, wherein the time information of the first clock unit and the time information of the second clock unit are time-synchronized. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A control method to control a first controlled object by a master control device and control a second controlled object different from the first controlled object by a slave control device connected to the master control device via a network, comprising:
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controlling the first controlled object by the master control device based on time information output from a first clock unit; transmitting control information from the master control device; controlling the second controlled object based on the control information transmitted from the master control device and time information output from a second clock unit; and time-synchronizing the time information of the first clock unit and the time information of the second clock unit.
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8. An extension board freely attachable to a master control device to control a first controlled object, comprising:
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a first clock unit configured to output time information to control the first controlled object; a communication unit configured to transmit control information to control a second controlled object different from the first controlled object by a slave control device connected to the master control device via a network to the slave control device; and a time synchronization unit configured to time-synchronize the time information of the first clock unit and time information of a second clock unit provided in the slave control device and configured to output the time information to control the second controlled object.
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Specification