Custom Device

SIS Management: Custom Device Workflow

This workflow describes the process of defining a custom device.

In the following workflow diagram, the blue text in a shape indicates that a corresponding description has been provided in the sections that follow the diagram.

Create Custom DeviceSelect Device from SERHProvide Device Details and Failure RatesApprove Custom DeviceSIL Verification

Create Custom Device

Persona: Analyst

Create a Custom Device to store the details of the sensor, logic solver, or final element that you want to use.

Select Device from SERH

Persona: Analyst

Select the devices from SERH that make up the custom device. You can create a device with failure rates based on the operating data in your facility. You can also add multiple elements (e.g., valve, solenoid, actuator, quick exhaust) to a device that you plan to reuse in the design of other protective loops.

Provide Device Details and Failure Rates

Persona: Analyst

Provide the custom device details and failure rates.

Approve Custom Device

Persona: Analyst

Approve the custom device so that it can be used in a Protective Instrument Loop.