Download LCLS Vacuum System PLC and IOC Test Plan

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7 a – Gauge Controller Configuration
See attached document
7 b – Pump Controller Configuration
See attached document
9 a – Valve Interlock Checkout
For each interlocked valve:
1. Valve interlock logic test:
a. Make up all valve logic inputs, either by connecting to gauges reading low
pressure, or by connecting dummy loads at below-threshold pressures, or
using PLC forces
b. Reset interlock summary and verify that valve can be opened
c. Verify that interlock summary is made up in EDM and on front panel of
summary box
d. Fault one input and verify that interlock chain breaks in EDM and on front
panel. Verify that valve can not be opened
e. Bypass faulted input and verify that interlock chain completes and that
valve can be opened
f. Remove bypass and verify that valve cannot be opened
g. Repeat steps a, b, c, d, e, and f for each input
h. Remove all dummy loads or PLC logic forces and restore devices to initial
states.