Startco FPU-16 - Fpu-16 Functional Block Diagram

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Startco Engineering Ltd. Page 36

FPU-16 Feeder Protection Unit Rev. 1

Pub. FPU-16-M, November, 1997 Downloaded from the Internet, see Disclaimer.

FPU-16 FUNCTIONAL BLOCK DIAGRAM

FIGURE 14

Main Page

Table of Contents3
Introduction6
Features and Options6
Ordering Information6
Fpu-16 Model Number7
Front-Panel Annunciation, Indication, and Programming8
General8
Liquid-Crystal Display8
Keypad8
Fpu-16 Front Panel9
Led Indicators10
Programming10
Trips and Alarms11
Default Values11
Mode Descriptions12
General12
MODE 0 - I T LIMIT12
Fpu-16 Class-20 Thermal Curve13
Mode 1 - Short-Time Overcurrent14
Mode 2 - Instantaneous Overcurrent15
Mode 3 - Current Unbalance15
Mode 4 - Earth Fault16
Mode 5 - Options17
- Autoreset17
- Alarm Latch17
- I 2 T IMMEDIATE RESET17
- Spare17
- Earth-Fault Trip Time17
Mode 5-Options18
MODE 5-OPTIONS (2Nd Level Without Communications Interface)19
- Short-Time Trip-And-Alarm Time20
- Analog-Output Parameter20
- Relay Operating Mode20
Mode 6 - Earth-Fault-Ct-Primary Rating (I )20
Mode 7 - Phase-Ct-Primary Rating (I )21
Mode 8 - Rated Current (I )21
- Mode 9 - Percent Unbalance22
MODES A, B, & C - AMMETERS22
MODE D - PERCENT I22
- Emergency Thermal Reset22
Mode E - Earth Leakage23
Mode F - Operation Counter23
Installation24
General24
Component Mounting24
Panel-Mount Configuration24
Surface-Mount Configuration24
Ict-2 Interface Ct24
Efct-1 and Efct-2 Earth-Fault Ct's24
Panel-Mount Fpu-1625
Outline and Mounting Details25
Surface-Mount Fpu-1626
Outline and Mounting Details26
Ict-2 Outline and Mounting Details27
Efct-1 Outline and Mounting Details28
Efct-2 Outline and Mounting Details29
Shielded Cables30
Fpu-16 Connections30
Shielded Cable Preparation31
Typical Fpu-16 Connection Diagram32
Ict-2 Interconnection Cable33
Power Supply33
Trip-Relay Contacts33
Alarm-Relay Contacts33
Ict-2 Connections34
Operation Count Input34
Program-Change Lockout34
Analog Output34
Communications Interface34
Standard Connection34
Cable Restraint35
Residual Earth-Fault Connection35
Two-Ct Connections35
Ict-2 Schematic36
Ict-2 Standard Connections37
Other Ict-2 Connections38
Cable Termination and Restraint39
Theory of Operation40
General40
Display Module40
Power-Supply Module40
Processor Module40
Fpu-16 Functional Block Diagram41
Analog Module42
Option Modules42
Firmware42
Technical Specifications43
Fpu-16 Manual Compatibility46
Manual Revision Levels46
Warranty47

Startco FPU-16 - Fpu-16 Functional Block Diagram

Table of Contents