Emergency Shutdown, Interlocks & Protective Devices-Part 1 - Agenda Activity Estimated Time 1. Agenda 5 2. Test 50 BREAK 10 3. Learning Objectives 4. Permissives and Interlocks 40 5. Emergency Shutdown 30 6. Alarms 20 7. Summary and Wrap-Up 8. Additional Activities 9. Lab Activity Slide 1 Instrumentation 2 – Session 13

Session 13 - Objectives Define the following terms associated with emergency shutdown systems, interlocks and alarms. Start-up permissives high alarm high high alarm/shutdown low alarm low low alarm/shutdown Interlock emergency shutdown (ESD) Given a drawing, picture, or actual device, identify and describe basic shutdown devices. Recall the use of Programmable Logic Controllers in ESD systems. Given a PFD and/or P&ID and a legend, locate and identify emergency shutdown devices. Given a basic description of a process and a P&ID of its ESD system, describe what a specific ESD is designed to protect. Slide 2 Instrumentation 2 – Session 13

Furnace Permissives Slide 3 Instrumentation 2 – Session 13

Distillation and Reboiler Interlocks Slide 4 Instrumentation 2 – Session 13

PLC Slide 5 Instrumentation 2 – Session 13

Furnace ESD Slide 6 Instrumentation 2 – Session 13

Compressor ESD Slide 7 Instrumentation 2 – Session 13

Lube System Interlocks Slide 8 Instrumentation 2 – Session 13

Alarms example Slide 9 Instrumentation 2 – Session 13

Tank – Alarms (HI and HI HI) Slide 10 Instrumentation 2 – Session 13

Tank –Alarms (LO and LO LO) Slide 11 Instrumentation 2 – Session 13