Signal handling device
First Claim
1. A signal handling device for enabling a data transmission between a plurality of position measuring devices and a master unit, the signal handling device comprising:
- a main communications port for communicating with the master unit via a data bus;
a measurement port for communicating with a position measuring device of the plurality of position measuring devices;
an extension port for connecting to an intelligent slave unit to enable a communication with further position measuring devices of the plurality of position measuring devices via the slave unit; and
a data processing unit capable of managing data traffic between the main communications port, the measurement port and the extension port, wherein a plurality of actuators are coupled to the master unit and the master unit provides control signals to the actuators in dependence on measurement signals of the position measuring devices provided to the master unit by the signal handling device.
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Accused Products
Abstract
A signal handling device enables a data transmission between a plurality of position measuring devices and a master unit. The signal handling device includes a main communications port for communicating with a master unit via a data bus and a measurement port for communicating with a position measuring device. The signal handling device also includes an extension port for connection to an intelligent slave unit so as to enable communication with a plurality of position measuring devices via the said slave unit. In addition, the signal handling device also includes a data processing unit which is capable of managing data traffic between the main communications port, the measurement port and the extension port.
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Citations
12 Claims
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1. A signal handling device for enabling a data transmission between a plurality of position measuring devices and a master unit, the signal handling device comprising:
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a main communications port for communicating with the master unit via a data bus;
a measurement port for communicating with a position measuring device of the plurality of position measuring devices;
an extension port for connecting to an intelligent slave unit to enable a communication with further position measuring devices of the plurality of position measuring devices via the slave unit; and
a data processing unit capable of managing data traffic between the main communications port, the measurement port and the extension port, wherein a plurality of actuators are coupled to the master unit and the master unit provides control signals to the actuators in dependence on measurement signals of the position measuring devices provided to the master unit by the signal handling device. - View Dependent Claims (2, 3, 4, 5)
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6. An intelligent slave unit for enabling a data transmission between a plurality of position measuring devices and a signal handling device, comprising:
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a slave communications port for coupling to an extension port of the signal handling device;
a measurement port for communicating with a position measuring device of the plurality of position measuring devices;
an extension port for connecting a further intelligent slave unit, the extension port enabling a communication with further position measuring devices of the plurality of position measuring devices via the further intelligent slave unit; and
a slave data processing unit capable of managing data traffic between the slave communications port, the measurement port and the extension port. - View Dependent Claims (7, 8, 9)
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10. A position monitoring system, comprising:
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a plurality of position measuring devices determining a position of movable actuators to form position information;
a master unit for receiving the position information;
a signal handling device including a main communications port communicating with the master unit, a measurement port communicating with the plurality of position measuring devices, an extension port and a data processing unit managing data traffic between the main communications port, the measurement port and the extension port; and
a slave unit connected to the extension port;
whereinthe slave unit includes a slave communications port, a slave measurement port, a slave extension port and a slave data processing unit, the slave data processing unit managing a slave data traffic between the slave communications port, the slave measurement port and the slave extension port.
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11. A method for enabling a data transmission between a plurality of position measuring devices and a master unit using a signal handling device, the method comprising the steps of:
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communicating with the master unit via a data bus coupled to a communications port of the signal handling device;
communicating with a first one of the plurality of position measuring devices via a measurement port of the signal handling device;
providing from the master unit control signals to a plurality actuators in dependence on measurement signals of said position measuring devices;
enabling a communication with further ones of the plurality of position measuring devices via an extension port of the signal handling device; and
managing data traffic between the communications port, the measurement port and the extension port to communicate a plurality of position values via the data bus in a single message. - View Dependent Claims (12)
performing one of mathematical operations and logical operations on one of the plurality of position values received by the measurement port to determine a first pre-processed position value, receiving a second pre-processed position value in a predetermined manner, arranging the first and second pre-processed position values in a further predetermined manner, and providing the first and second pre-processed position values to the communications port to communicate the first and second pre-processed position values to the master unit in the single message.
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Specification