GE P642 Technical Manual page 14

Contents
4.3 Advisory Test Equipment
5 Product Checks
5.1 Product Checks with the IED De-energised
5.1.1 Visual Inspection
5.1.2 Current Transformer Shorting Contacts
5.1.3 Insulation
5.1.4 External Wiring
5.1.5 Watchdog Contacts
5.1.6 Power Supply
5.2 Product Checks with the IED Energised
5.2.1 Watchdog Contacts
5.2.2 Test LCD
5.2.3 Date and Time
5.2.4 Test LEDs
5.2.5 Test Alarm and Out-of-Service LEDs
5.2.6 Test Trip LED
5.2.7 Test User-programmable LEDs
5.2.8 Test Opto-inputs
5.2.9 Test Output Relays
5.2.10 RTD Inputs
5.2.11 Current Loop Outputs
5.2.12 Current Loop Inputs
5.2.13 Test Serial Communication Port RP1
5.2.14 Test Serial Communication Port RP2
5.2.15 Test Ethernet Communication
5.3 Secondary Injection Tests
5.3.1 Test Current Inputs
5.3.2 Test Voltage Inputs
6 Setting Checks
6.1 Apply Application-specific Settings
6.1.1 Transferring Settings from a Settings File
6.1.2 Entering settings using the HMI
7 Checking the Differential Element
7.1 Using the Omicron Advanced Module
8 Protection Timing Checks
8.1 Bypassing the All Pole Dead Blocking Condition
8.2 Overcurrent Check
8.3 Connecting the Test Circuit
8.4 Performing the Test
8.5 Check the Operating Time
9 Onload Checks
9.1 Confirm Current Connections
9.2 Confirm Voltage Connections
9.3 On-load Directional Test
10 Final Checks
Chapter 20 Maintenance and Troubleshooting
1 Chapter Overview
2 Maintenance
2.1 Maintenance Checks
2.1.1 Alarms
2.1.2 Opto-isolators
2.1.3 Output Relays
2.1.4 Measurement Accuracy
2.2 Replacing the Device
2.3 Repairing the Device
2.4 Removing the front panel
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P64x-TM-EN-1.3