Overview
The “87L trip” element must be used to secure the generation of tripping outputs. It is especially recommended for use in all single-pole tripping applications.
For more detailed information on “87L trip” element, refer to GE, Universal Relay (UR) family of products, Version 8.0x manuals.
To see other supported elements, click here.
Setting Parameters
Modbus memory map for Setting parameters
| Products | Hex address | Register name | Range | Units | Step | Format | Default |
| L90 | 3D18 | 87L Trip Function | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 3D19 | 87L Trip Source | 0 to 5 | — | 1 | F167 | 0 (SRC 1) |
| " | 3D1A | 87L Trip Mode | 0 to 1 | — | 1 | F157 | 0 (3-Pole) |
| " | 3D1B | 87L Trip Supervision | 0 to 4294967295 | — | 1 | F300 | 0 |
| " | 3D1D | 87L Trip Force 3 Phase | 0 to 4294967295 | — | 1 | F300 | 0 |
| " | 3D1F | 87L Trip Seal In | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 3D20 | 87L Trip Seal In Pickup | 0.2 to 0.8 | pu | 0.01 | F001 | 20 |
| " | 3D21 | 87L Trip Target | 0 to 2 | — | 1 | F109 | 0 (Self-reset) |
| " | 3D22 | 87L Trip Events | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 3D23 | 87LG Trip Mode | 0 to 1 | — | 1 | F157 | 0 (3-Pole) |
| " | 3D24 | 87LG Trip Supervision | 0 to 4294967295 | — | 1 | F300 | 0 |
| F102 | 0 = Disabled, 1 = Enabled | ||||||
| F109 | 0 = Self-reset, 1 = Latched, 2 = Disabled | ||||||
| F157 | 0 = 3-Pole, 1 = 1-Pole | ||||||
| F167 | 0 = SRC 1, 1 = SRC 2, 2 = SRC 3, 3 = SRC 4, 4 = SRC 5, 5 = SRC 6 | ||||||
Logics & highlights
87L trip logic
