System reliability and operating life enhancement in field through thermal profiling

• US 10,365,643 B2
• Filed: 12/19/2016
• Issued: 07/30/2019
• Est. Priority Date: 12/19/2016
• Status: Active Grant

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: Gudi, Balakrishna G., Pande, Shripad, Sundaresh, Nagaraja, Carney, Michael D.
• Primary Examiner(s): Wong, Albert K
• Application Number:
  US15/384,269
• Publication Number:
  US 20180174425A1
• Time in Patent Office: 953 Days
• Field of Search: 700229, 700276, 702130, 702188, 709220, 710 33
• CPC Class Codes: G05B 11/01 electric
• CPC Class Codes: G05B 19/042 using digital processors G05B19/05 takes precedence
• CPC Class Codes: G05B 2219/21156 Over temperature protection
• CPC Class Codes: G05B 23/0235 based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
• CPC Class Codes: G06F 1/20 Cooling means

Abstract

A system includes an input/output module (IOM) configured to interface with a field device. The IOM includes a terminal block including a plurality of inputs or outputs, each of the inputs or outputs configured to send and receive signals to and from the field device. The IOM also includes a plurality of temperature sensors, each of the plurality of temperature sensor configured to measure a temperature in a vicinity of the temperature sensor. The IOM also includes a connector configured to transmit the temperature of each of the plurality of temperature sensors to a processing device.

Claims

1. A system comprising:

a processing device;

a rack; and

a plurality of input/output module (IOM) configured to interface with a field device in an industrial process control and automation system,

wherein each IOM of the plurality of IOMs comprises;

a terminal block including a plurality of inputs or outputs, each of the inputs or outputs configured to send and receive signals to and from the field device;

a plurality of temperature sensors, each of the plurality of temperature sensors configured to measure a temperature in the vicinity of the temperature sensor within each IOM;

a connector configured to transmit the temperature measured by each of the plurality of temperature sensors to the processing device,

wherein the processing device compares each of the plurality of measured temperatures to a threshold,

wherein the plurality of temperature sensors are positioned evenly across a field side of the IOM and the temperature measured evenly across the rack where the plurality of IOMs are positioned, and

wherein the rack is configured to mount each of the plurality of IOMs, and the processing device.

2. The system of claim 1, wherein the processing device is configured to send a report of the temperatures to an operator station,

wherein the report includes the temperature measured evenly across the rack where the plurality of IOMs are positioned.

3. The system of claim 1, further comprising:

a cabinet configured to mount the rack and a plurality of other racks,

wherein each of the plurality of other racks includes IOMs and a processing device, each IOM including a plurality of temperature sensors.

4. The system of claim 3, wherein the processing device of the rack and the processing devices of each of the plurality of other racks are configured to send a report of the temperatures to an operator station,

wherein the report includes the temperature measured by the plurality of temperature sensors of the IOM and of other IOMs evenly across the rack where the IOM and plurality of other IOMs are positioned.

5. The system of claim 2, wherein the report includes a recommendation of placement of the plurality of inputs or outputs in each of the IOMs.

6. The system of claim 2, wherein the report includes a recommendation of a placement of the plurality of inputs or outputs in each of the IOMs, wherein the placement provides for the temperature of the rack to be evenly spread through the rack.

7. A method comprising:

receiving, from a plurality of temperature sensors coupled to an input/output module (IOM) in an industrial process control and automation system, a plurality of temperature measurements, wherein each of the plurality of temperature sensors configured to measure a temperature in the vicinity of the temperature sensor within the IOM, wherein the IOM interfaces with a field device in the industrial process control and automation system by using a plurality of inputs or outputs to send and receive signals to and from the field device;

comparing each of the plurality of temperature measurements to a threshold; and

responsive to a temperature measurement exceeding the threshold, providing a report indicating the exceeded threshold,

wherein the plurality of temperature sensors are positioned evenly across a field side of the IOM and the temperature measured evenly across a rack where a plurality of IOMs are positioned.

8. The method of claim 7, wherein the report identifies a spread of the temperature across the IOM.

9. The method of claim 7, further comprising:

receiving a plurality of additional temperature measurements from a processing device of the rack, the rack including the plurality of IOMs.

10. The method of claim 9, wherein the report identifies a spread of the temperature across the rack.

11. The method of claim 9, wherein the rack is one of a plurality of racks in a cabinet.

12. The method of claim 11, wherein the report identifies a spread of the temperature across the cabinet.

13. The method of claim 7, wherein the report includes a recommendation of placement of a plurality of inputs or outputs in each of the IOMs.

14. The method of claim 10, wherein the report includes a recommendation of a placement of a plurality of inputs or outputs in each of the IOMs, wherein the placement provides for the temperature of the rack to be evenly spread through the rack.

15. The method of claim 9, further comprising:

identifying degradation of a fan in the rack based on the exceeded threshold.

16. An input/output module (IOM) for interfacing with a field device, the IOM comprising:

a terminal block including a plurality of inputs or outputs, each of the inputs or outputs configured to send and receive signals to and from the field device;

a plurality of temperature sensors, each of the plurality of temperature sensors configured to measure a temperature in the vicinity of the temperature sensor within the IOM; and

a connector configured to transmit the temperature measured by each of the plurality of temperature sensors to a processing device,

wherein the processing device compares each of the plurality of measured temperatures to a threshold, and

wherein the plurality of temperature sensors are positioned evenly across a field side of the IOM and the temperature measured evenly across a rack where a plurality of IOMs are positioned.

17. The IOM of claim 16, wherein the IOM is included in and coupled to the rack.

18. The IOM of claim 17, wherein the processing device is part of the rack and receives temperatures from a plurality of other IOMs.