Integration of diagnostic instrumentation with machine protection system
In one embodiment, a portable monitoring system can include a secondary bus and a first monitoring circuit detachably coupled to the secondary bus. The first monitoring circuit can be configured to receive, from a first bus via a node comprising one or more gates, a first beacon packet of a monitoring system of an industrial machine. The first beacon packet can include a first system frame schedule indicative of a plurality of time slices during which a plurality of data packets can be configured to be broadcasted on the first bus of the monitoring system. The first monitoring circuit can also be configured to determine, a first set of time slices of the plurality of time slices during which a first set of data packets including data characterizing one or more predetermined operating parameters are broadcasted on the first bus. The first monitoring circuit can be further configured to transfer the first set of data packets from the first bus to the first monitoring circuit by activating the one or more gates in the node during a first set of time slices of the plurality of time slices. The one or more gates are configured to prevent transfer of an outgoing data packet to the first bus.
1. A portable monitoring system comprising:
a secondary bus;
a first monitoring circuit detachably coupled to the secondary bus, the first monitoring circuit configured to:
receive, from a first bus via a node comprising one or more gates, a first beacon packet of a monitoring system of an industrial machine,
wherein the first beacon packet includes a first system frame schedule indicative of a plurality of time slices during which a plurality of data packets are configured to be broadcasted on the first bus of the monitoring system;
determine, a first set of time slices of the plurality of time slices during which a first set of data packets including data characterizing one or more predetermined operating parameters are broadcasted on the first bus; and
transfer the first set of data packets from the first bus to the first monitoring circuit by activating the one or more gates in the node during a first set of time slices of the plurality of time slices,
wherein the one or more gates are configured to prevent transfer of an outgoing data packet to the first bus.
2. The portable monitoring system of claim 1 , wherein the first monitoring circuit is further configured to set a second reference time of the portable monitoring system based on a first reference time of the monitoring system, wherein the plurality of time slices are temporally arranged relative to the first reference time.
3. The portable monitoring system of claim 2 , wherein the first reference time of the monitoring system is included in the beacon packet.
4. The portable monitoring system of claim 1 , wherein the plurality of data packets are broadcasted on the first bus by one or more monitoring circuits communicatively coupled to the first bus.
5. The portable monitoring system of claim 1 , wherein the first set of data packets including data characterizing one or more predetermined operating parameters include unique identifiers indicative of the one or more predetermined operating parameter.
6. The portable monitoring system of claim 1 , wherein activating the one or more gates in the node includes sending a control signal to the one or more gates, the control signal configured to set the one or more gates in a first operational mode in which data packets broadcasted on the first bus are transferred to the portable monitoring system.
7. The portable monitoring system of claim 1 , wherein the one or more gates include a unidirectional data flow circuit, the unidirectional data flow circuit prevents transfer of the outgoing data packet to the first bus via the one or more gates.
8. The portable monitoring system of claim 1 , further configured to receive data characterizing sensor measurement by one or more sensors coupled to the industrial machine, wherein the data characterizing sensor measurement includes a detected operational parameter value and time associated with the detected operational parameter.
9. The portable monitoring system of claim 8 , further configured to determine an operation status of the industrial machine based on the received data characterizing sensor measurement and the received data characterizing one or more predetermined operating parameters.
10. The portable monitoring system of claim 1 , further comprising:
an input monitoring circuit detachably coupled to the secondary bus is configured to receive data characterizing sensor measurement; and
a processing circuit detachably coupled to the secondary bus is configured to determine an operation status of the industrial machine.
11. A method comprising:
receiving, from a first bus via a node comprising one or more gates, a first beacon packet of a monitoring system of an industrial machine,
wherein the first beacon packet includes a first system frame schedule indicative of a plurality of time slices during which a plurality of data packets are configured to be broadcasted on the first bus of the monitoring system;
determining, a first set of time slices of the plurality of time slices during which a first set of data packets including data characterizing one or more predetermined operating parameters are broadcasted on the first bus; and
transferring the first set of data packets from the first bus to a monitoring circuit of a portable monitoring system by activating the one or more gates in the node during the first set of time slices of the plurality of time slices,
wherein the one or more gates are configured to prevent transfer of an outgoing data packet to the first bus.
12. The method of claim 11 , further comprising setting a second reference time of the portable monitoring system based on a first reference time of the monitoring system, wherein the plurality of time slices are temporally arranged relative to the first reference time.
13. The method of claim 12 , wherein the first reference time of the monitoring system is included in the beacon packet.
14. The method of claim 11 , wherein the plurality of data packets are broadcasted on the first bus by one or more monitoring circuits communicatively coupled to the first bus.
15. The method of claim 11 , wherein the first set of data packets including data characterizing one or more predetermined operating parameters include unique identifiers indicative of the one or more predetermined operating parameter.
16. The method of claim 11 , wherein activating the one or more gates in the node includes sending a control signal to the one or more gates, the control signal configured to set the one or more gates in a first operational mode in which data packets broadcasted on the first bus are transferred to the portable monitoring system.
17. The method of claim 11 , wherein the one or more gates include a unidirectional data flow circuit, the unidirectional data flow circuit prevents transfer of the outgoing data packet to the first bus via the one or more gates.
18. The method of claim 11 , further comprising receiving data characterizing sensor measurement by one or more sensors coupled to the industrial machine, wherein the data characterizing sensor measurement includes a detected operational parameter value and time associated with the detected operational parameter.
19. The method of claim 18 , further comprising determining an operation status of the industrial machine based on the received data characterizing sensor measurement and the received data characterizing one or more predetermined operating parameters.
20. The method of claim 11 , wherein the receiving, the determining and transferring is performed by the monitoring circuit in the portable monitoring system.