J.5
Date Code 20081022 Instruction Manual SEL-787 Relay
Relay Word Bits
Definitions
50G11P Level 1 residual ground instantaneous overcurrent element pickup—Winding 1. 11
50G11T Level 1 residual ground instantaneous overcurrent element trip—Winding 1. 2
50G12P Level 2 residual ground instantaneous overcurrent element pickup —Winding 1. 11
50G12T Level 2 residual ground instantaneous overcurrent element trip—Winding 1. 2
50G21P Level 1 residual ground instantaneous overcurrent element pickup—Winding 2. 11
50G21T Level 1 residual ground instantaneous overcurrent element trip—Winding 2. 2
50G22P Level 2 residual ground instantaneous overcurrent element pickup —Winding 2. 11
50G22T Level 2 residual ground instantaneous overcurrent element trip—Winding 2. 2
50GREF1 Normalized residual current sensitivity threshold exceeded. 3
50N11P Level 1 neutral ground instantaneous overcurrent element pickup—Input 1. 12
50N11T Level 1 neutral ground instantaneous overcurrent element trip—Input 1. 3
50N12P Level 2 neutral ground instantaneous overcurrent element pickup—Input 1. 12
50N12T Level 2 neutral ground instantaneous overcurrent element trip—Input 1. 3
50NREF1 Neutral current sensitivity threshold exceeded. 3
50P11P Level 1 phase instantaneous overcurrent element pickup—Winding 1. 10
50P11T Level 1 phase instantaneous overcurrent element trip—Winding 1. 1
50P12P Level 2 phase instantaneous overcurrent element pickup—Winding 1. 10
50P12T Level 2 phase instantaneous overcurrent element trip—Winding 1. 1
50P13P Level 3 phase instantaneous overcurrent element pickup—Winding 1. 10
50P13T Level 3 phase instantaneous overcurrent element trip—Winding 1. 1
50P14P Level 4 phase instantaneous overcurrent element pickup—Winding 1. 10
50P14T Level 4 phase instantaneous overcurrent element trip—Winding 1. 1
50P21P Level 1 phase instantaneous overcurrent element pickup—Winding 2. 10
50P21T Level 1 phase instantaneous overcurrent element trip—Winding 2. 1
50P22P Level 2 phase instantaneous overcurrent element pickup—Winding 2. 10
50P22T Level 2 phase instantaneous overcurrent element trip—Winding 2. 1
50P23P Level 3 phase instantaneous overcurrent element pickup—Winding 2. 10
50P23T Level 3 phase instantaneous overcurrent element trip—Winding 2. 1
50P24P Level 4 phase instantaneous overcurrent element pickup—Winding 2. 10
50P24T Level 4 phase instantaneous overcurrent element trip—Winding 2. 1
50Q11P Level 1 negative-sequence instantaneous overcurrent element pickup—Winding 1. 11
50Q11T Level 1 negative-sequence instantaneous overcurrent element trip—Winding 1. 2
50Q12P Level 2 negative-sequence instantaneous overcurrent element pickup—Winding 1. 11
50Q12T Level 2 negative-sequence instantaneous overcurrent element trip—Winding 1. 2
50Q21P Level 1 negative-sequence instantaneous overcurrent element pickup—Winding 2. 11
50Q21T Level 1 negative-sequence instantaneous overcurrent element trip—Winding 2. 2
50Q22P Level 2 negative-sequence instantaneous overcurrent element pickup—Winding 2. 11
50Q22T Level 2 negative-sequence instantaneous overcurrent element trip—Winding 2. 2
51G1P Residual ground time-overcurrent element pickup—Winding 1. 13
51G1R Residual ground time-overcurrent element reset—Winding 1. 14
51G1T Residual ground time-overcurrent element trip—Winding 1. 4
Table J.2 Relay Word Bit Definitions for the SEL-787 (Sheet 2 of 9)
Bit Definition Row