Overview
The “Time Overcurrent (TOC)” element is provided for backup protection with a choice of inverse time curves.
For more detailed information on “Time Overcurrent (TOC)” element, refer to GE, Universal Relay (UR) family of products, Version 8.0x manuals.
To view other supported elements, click here.
Setting Parameters
Modbus memory map for Setting parameters
| Products | Hex address | Register name | Range | Units | Step | Format | Default |
| B90 | 423B | Time Overcurrent 1 Function | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 423C | Time Overcurrent 1 CT Setting | 0 to 23 | — | 1 | F400 | 0 |
| " | 423D | Time Overcurrent 1 Pickup | 0.02 to 30 | pu | 0.001 | F001 | 1200 |
| " | 423E | Time Overcurrent 1 Curve | 0 to 16 | — | 1 | F103 | 0 (IEEE Mod Inv) |
| " | 42EF | Time Overcurrent 1 Multiplier | 0 to 600 | — | 0.01 | F001 | 100 |
| " | 4240 | Time Overcurrent 1 Reset | 0 to 1 | — | 1 | F104 | 0 (Instantaneo us) |
| " | 4241 | Time Overcurrent 1 Block | 0 to 4294967295 | — | 1 | F300 | 0 |
| " | 4243 | Time Overcurrent 1 Target | 0 to 2 | — | 1 | F109 | 0 (Self-reset) |
| " | 4244 | Time Overcurrent 1 Events | 0 to 1 | — | 1 | F102 | 0 (Disabled) |
| " | 4245 | Reserved (2 items) | 0 to 65535 | — | 1 | F001 | 0 |
| " | 4247 | …Repeated for TOC 2 | |||||
| " | 4253 | …Repeated for TOC 3 | |||||
| " | 425F | …Repeated for TOC 4 | |||||
| " | 426B | …Repeated for TOC 5 | |||||
| " | 4277 | …Repeated for TOC 6 | |||||
| " | 4283 | …Repeated for TOC 7 | |||||
| " | 428F | …Repeated for TOC 8 | |||||
| " | 429B | …Repeated for TOC 9 | |||||
| " | 42A7 | …Repeated for TOC 10 | |||||
| " | 42B3 | …Repeated for TOC 11 | |||||
| " | 42BF | …Repeated for TOC 12 | |||||
| " | 42CB | …Repeated for TOC 13 | |||||
| " | 42D7 | …Repeated for TOC 14 | |||||
| " | 42000 | …Repeated for TOC 15 | |||||
| " | 42EF | …Repeated for TOC 16 | |||||
| " | 42FB | …Repeated for TOC 17 | |||||
| " | 4307 | …Repeated for TOC 18 | |||||
| " | 4313 | …Repeated for TOC 19 | |||||
| " | 431F | …Repeated for TOC 20 | |||||
| " | 432B | …Repeated for TOC 21 | |||||
| " | 4337 | …Repeated for TOC 22 | |||||
| " | 4343 | …Repeated for TOC 23 | |||||
| " | 434F | …Repeated for TOC 24 |
| F102 | 0 = Disabled, 1 = Enabled | ||||||
| F104 | 0 = Instantaneous, 1 = Timed | ||||||
| F109 | 0 = Self-reset, 1 = Latched, 2 = Disabled | ||||||
| F300 | 0 : Off (This is boolean FALSE value), 1 : On (This is boolean TRUE value) | ||||||
| F400 | 0: Card 1 Contact 1 to 4, 1: Card 1 Contact 5 to 8, 2: Card 2 Contact 1 to 4, 3: Card 2 Contact 5 to 8, 4: Card 3 Contact 1 to 4, 5: Card 3 Contact 5 to 8 | ||||||
Logics & highlights
Time overcurrent logic
