S4000C
2
Periodic Testing of Field Devices
Periodic testing/calibrating should be performed per the manufacturer’s recommendations and
instructions. Testing/Calibrating procedures should include, but not be limited to:
•
Verify integrity of all optical surfaces and devices
•
For flame detectors, use the appropriate test lamp
When testing produces results outside of the manufacturer’s specifications, replacement of the
suspect device(s) should be performed as necessary. Maintenance intervals should be
independently established through a documented procedure, including a maintenance log
maintained by plant personnel or third party testing services.
Periodic System Verification
The following system verifications should be performed at least annually:
Verify wiring, terminal connections and stability of mounting for all integral safety equipment
including, but not limited to:
•
Power supplies
•
Control modules
•
Field detection devices
•
Signaling / output devices
•
Accessories connected to field and signaling devices
