Sel 751A - Page 607

J.5
Date Code 20100129 Instruction Manual SEL-751A Relay
Relay Word Bits
Definitions
25A2 Synchronism Check Element Level 2 Pickup. 110
27P1 Phase Undervoltage Trip 1 Pickup (see Figure 4.18). 9
27P1T Phase Undervoltage Trip 1 Output (see Figure 4.18). 9
27P2 Phase Undervoltage Trip 2 Pickup (see Figure 4.18). 10
27P2T Phase Undervoltage Trip 2 Output (see Figure 4.18). 10
27S1 Level 1 VS Channel Undervoltage Element Pickup 111
27S1T Level 1 VS Channel Undervoltage Element With Time Delay 111
27S2 Level 2 VS Channel Undervoltage Element Pickup 111
27S2T Level 2 VS Channel Undervoltage Element With Time Delay 111
50G1P Definite-Time Residual Overcurrent Trip 1 Pickup (see Figure 4.1). 4
50G1T Definite-Time Residual Overcurrent Trip 1 Output (see Figure 4.1). 5
50G2P Definite-Time Residual Overcurrent Trip 2 Pickup (see Figure 4.1). 4
50G2T Definite-Time Residual Overcurrent Trip 2 Output (see Figure 4.1). 5
50G3P Definite-Time Residual Overcurrent Trip 3 Pickup (see Figure 4.1). 4
50G3T Definite-Time Residual Overcurrent Trip 3 Output (see Figure 4.1). 5
50G4P Definite-Time Residual Overcurrent Trip 4 Pickup (see Figure 4.1). 4
50G4T Definite-Time Residual Overcurrent Trip 4 Output (see Figure 4.1). 5
50N1P Definite-Time Neutral Overcurrent Trip 1 Pickup (see Figure 4.1). 4
50N1T Definite-Time Neutral Overcurrent Trip 1 Output (see Figure 4.1). 5
50N2P Definite-Time Neutral Overcurrent Trip 2 Pickup (see Figure 4.1). 4
50N2T Definite-Time Neutral Overcurrent Trip 2 Output (see Figure 4.1). 5
50N3P Definite-Time Neutral Overcurrent Trip 3 Pickup (see Figure 4.1). 4
50N3T Definite-Time Neutral Overcurrent Trip 3 Output (see Figure 4.1). 5
50N4P Definite-Time Neutral Overcurrent Trip 4 Pickup (see Figure 4.1). 4
50N4T Definite-Time Neutral Overcurrent Trip 4 Output (see Figure 4.1). 5
50NAF Sample-Based Neutral Overcurrent Element (Arc-Flash Protection) 1
50P1P Definite-Time Phase Overcurrent Trip 1 Pickup (see Figure 4.1). 2
50P1T Definite-Time Phase Overcurrent Trip 1 Output (see Figure 4.1). 3
50P2P Definite-Time Phase Overcurrent Trip 2 Pickup (see Figure 4.1). 2
50P2T Definite-Time Phase Overcurrent Trip 2 Output (see Figure 4.1). 3
50P3P Definite-Time Phase Overcurrent Trip 3 Pickup (see Figure 4.1). 2
50P3T Definite-Time Phase Overcurrent Trip 3 Output (see Figure 4.1). 3
50P4P Definite-Time Phase Overcurrent Trip 4 Pickup (see Figure 4.1). 2
50P4T Definite-Time Phase Overcurrent Trip 4 Output (see Figure 4.1). 3
50PAF Sample-Based Phase Overcurrent Element (Arc-Flash Protection) 1
50Q1P Definite-Time Negative-Sequence Overcurrent Trip 1 Pickup (see Figure 4.1). 2
50Q1T Definite-Time Negative-Sequence Overcurrent Trip 1 Output (see Figure 4.1). 3
50Q2P Definite-Time Negative-Sequence Overcurrent Trip 2 Pickup (see Figure 4.1). 2
50Q2T Definite-Time Negative-Sequence Overcurrent Trip 2 Output (see Figure 4.1). 3
50Q3P Definite-Time Negative-Sequence Overcurrent Trip 3 Pickup (see Figure 4.1). 2
50Q3T Definite-Time Negative-Sequence Overcurrent Trip 3 Output (see Figure 4.1). 3
Table J.2 Relay Word Bit Definitions for the SEL-751A (Sheet 2 of 11)
Bit Definition Row