초록 ▼

An emergency shutdown test system, wherein the emergency shutdown test system includes an emergency shutdown device controller and sensors to provide data to the controller, the controller having a processor, a memory coupled to the processor and an auxiliary input, wherein an emergency shutdown tes

An emergency shutdown test system, wherein the emergency shutdown test system includes an emergency shutdown device controller and sensors to provide data to the controller, the controller having a processor, a memory coupled to the processor and an auxiliary input, wherein an emergency shutdown test is stored in the memory, and the auxiliary input is adapted to receive a binary signal and sensor data. Routines are stored in the memory and are adapted to be executed on the processor to cause the emergency shutdown test to be performed in response to the receipt of the binary signal at the auxiliary input and to cause sensor data to be recorded in the memory during the emergency shutdown test.

대표청구항 ▼

What is claimed is: 1. An emergency shutdown test system adapted to communicate with a portable handheld computing device, the test system comprising: an emergency shutdown device controller having: a processor; a memory coupled to the processor, wherein an emergency shutdown test procedure is sto

What is claimed is: 1. An emergency shutdown test system adapted to communicate with a portable handheld computing device, the test system comprising: an emergency shutdown device controller having: a processor; a memory coupled to the processor, wherein an emergency shutdown test procedure is stored in the memory; an auxiliary input coupled to the processor and adapted to receive a binary signal from a switch, wherein the switch is accessible to a user and coupled directly to the auxiliary input; a first routine stored in the memory and adapted to be executed on the processor to cause the emergency shutdown test procedure to be performed in response to the receipt of the binary signal at the auxiliary input; and a second routine stored in the memory and adapted to be executed on the processor to acquire data from a sensor and to cause the data to be stored in the memory, during the emergency shutdown test. 2. The emergency shutdown test system of claim 1, further including a communication unit, wherein the communication unit is coupled to the processor and communicates with the portable hsndheld computing device. 3. The emergency shutdown test system of claim 1, wherein the first routine is further adapted to prevent the activation of the emergency shutdown test unless an auxiliary-input-type is activated. 4. The emergency shutdown test system of claim 1, wherein the first and second routines comprise valve specific, configurable scripts. 5. The emergency shutdown test system of claim 1, further including an emergency shutdown valve. 6. The emergency shutdown test system of claim 5, wherein the second routine is further adapted to cause a valve plug setpoint to be compared to an actual valve stem position of the emergency shutdown valve. 7. The emergency shutdown test system of claim 5, wherein the emergency shutdown test procedure includes a partial stroke test for the emergency shutdown valve. 8. The emergency shutdown test system of claim 5, wherein the second routine stored in the memory is further adapted to automatically cause the processor to acquire data from a sensor when a valve plug of the valve moves. 9. The emergency shutdown test system of claim 5, wherein the emergency shutdown device controller further includes an analog-to-digital ("A/D") converter to convert an analog input from a sensor to digital data for utilization by the processor. 10. The emergency shutdown test system of claim 9, wherein the analog input converted by the A/D converter includes an analog input selected from the group of analog inputs consisting of: valve stem travel, line pressure, loop current, and binary signal generation. 11. The emergency shutdown test system of claim 1, wherein the second routine is further adapted to cause a plurality of inputs that are coupled to the processor to be monitored, during the emergency shutdown test procedure, for one of several conditions that would cause the emergency shutdown test to be aborted. 12. The emergency shutdown test system of claim 11, wherein the data acquired from the sensor is compared with a predetermined limit. 13. The emergency shutdown test system of claim 11, wherein the conditions are selected from a group of conditions consisting of: minimum partial stroke pressure, travel deviation, and valve stuck. 14. A control device test system adapted to communicate with a portable handheld computing device, the test system comprising: a device controller having: a processor; a memory coupled to the processor, wherein a control device test is stored in the memory; an auxiliary input coupled to the processor and adapted to receive a binary signal from a switch; a first routine stored in the memory and adapted to be executed on the processor to cause the control device test to be performed in response to the receipt of the binary signal from the switch at the auxiliary input; and a second routine stored in the memory and adapted to be executed on the processor to cause data to be acquired from a sensor and recorded in the memory during the control device test; a communication unit, coupled to the processor, to transfer the data to a user; and a third routine stored in the memory and adapted to be executed on the processor to cause the control device test to be performed in response to the receipt of a digital signal from the portable handheld computing device at the communication unit. 15. The control device test system of claim 14, wherein the first routine is further adapted to cause the auxiliary input to be monitored for a binary signal having a predetermined time duration. 16. The control device test system of claim 14, wherein the first, second and third routines comprise valve specific, configurable scripts. 17. The control device test system of claim 14, further including an emergency shutdown valve. 18. The control device test system of claim 17, wherein the second routine is further adapted to compare a predetermined limit to a valve stem position of the emergency shutdown valve, and create an alarm if the comparison is greater than a predetermined threshold. 19. The control device test system of claim 14, wherein the second routine is further adapted to monitor a plurality of sensor inputs during the control device test, and to acquire and compare data from the sensor inputs to a plurality of predetermined limits, and to indicate an alarm condition, and if appropriate, to cause the control device test to be aborted. 20. The control device test system of claim 14, wherein the device controller further includes an analog-to-digital ("A/D") converter to convert an analog input signal from a sensor to a digital value for usage by the processor. 21. The control device test system of claim 20, wherein the analog input measured by the A/D converter includes an analog input selected from a group of sensor inputs consisting of: valve stem travel, line pressure, and loop current. 22. A method of conducting an emergency shutdown test on an emergency shutdown valve, comprising: storing an emergency shutdown test script in a memory of a controller, monitoring an input coupled to the controller for the receipt of a binary signal received from a test initiation switch that is accessible to a user; monitoring the input for the receipt of a digital signal received from the portable handheld computing device; activating the test script in response to at least one of the binary signal received from the test initiation switch, or the digital signal that is received from the portable handheld computing device; storing at least one predetermined limit in the memory of the controller; activating the test initiation switch to perform the emergency shutdown test, wherein a processor is responsive to the switch activation; acquiring sensor data from a sensor and storing the sensor data in the memory; and comparing the sensor data to the at least one predetermined limit and creating alarms if the difference between the sensor data and the at least one predetermined limit is greater than a predetermined threshold. 23. The method of claim 22, further comprising aborting the emergency shutdown test if an alarm is created. 24. The method of claim 22, further comprising transferring the sensor data to a portable handheld computing device. 25. The method of claim 22, wherein the step of comparing the sensor data includes comparing a valve plug setpoint to an actual valve stem position. 26. The method of claim 22, wherein the step of storing the emergency shutdown test script includes storing a partial stroke test for the emergency shutdown valve. 27. The method of claim 22, further comprising converting an analog input from a sensor to digital data for utilization by a processor of the controller. 28. The method of claim 22, further comprising causing a plurality of inputs that are coupled to a processor of the controller to be monitored for one of several conditions that would cause the emergency shutdown test to be aborted.