Custom Device

SIS Management: Custom Device Workflow

This workflow describes the process of defining a custom device.

Blue text in a shape indicates that a description is provided for that step in the following sections. For more information, refer to the topic Interpreting the Workflow Diagrams.

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.