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Startco Engineering Ltd.

Page 40

FPU-16 Feeder Protection Unit

Rev. 2

Pub. FPU-16-M, November, 1997

Downloaded from the Internet, see Disclaimer.

Fuse-Selection Chart:

FUSE

HZ

VOLTAGE

RATING

DESCRIPTION

F1, F2

60

120/240

8 A, 250 Vac

¼" x 1¼" CSA/UL Normal

50

IEC 127/I F Quick Acting

F3

60

120

100 mA, 250 Vac

¼" x 1¼" CSA/UL Time

240

62 mA, 250 Vac

   Delay

SW

50

120

160 mA, 250 Vac

IEC 127/III T Time Lag

240

80 mA, 250 Vac

F3

D1

12 Vdc

2A, 250 Vac

¼" x 1 ¼" CSA/UL Time Delay
5 x 20 mm IEC 127/III TD

F3

D2

24 Vdc

1 A, 250 Vac

¼" x 1 ¼" CSA/UL Time Delay
5 x 20 mm IEC 127/III TD

F3

D4

48 Vdc

0.5 A 250 Vac

¼" x 1 ¼" CSA/UL Time Delay
5 x 20 mm IEC 127/III TD

All specifications are subject to change without notice.

Summary of Contents for FPU-16

Page 1: ...FPU 16 MANUAL FEEDER PROTECTION UNIT REVISION 2 NOVEMBER 1997 Copyright 1997 by Startco Engineering Ltd All rights reserved Publication FPU 16 M Document S95 FPU 00000 Printed in Canada...

Page 2: ...cument quality and formatting depend on the user s computer This Internet manual is intended as a temporary guide obtain an original document from Startco or from an authorized Startco distributor Spe...

Page 3: ...AL 7 3 2 MODE 0 I 2 t LIMIT 7 3 3 MODE 1 SHORT TIME OVERCURRENT 9 3 4 MODE 2 INSTANTANEOUS OVERCURRENT 10 3 5 MODE 3 CURRENT UNBALANCE 10 3 6 MODE 4 EARTH FAULT 11 3 7 MODE 5 OPTIONS 12 3 7 1 AUTORESE...

Page 4: ...CT 2 INTERCONNECTION CABLE 28 4 4 2 POWER SUPPLY 28 4 4 3 TRIP RELAY CONTACTS 28 4 4 4 ALARM RELAY CONTACTS 28 4 4 5 OPERATION COUNT INPUT 29 4 4 6 PROGRAM CHANGE LOCKOUT 29 4 4 7 ANALOG OUTPUT 29 4 4...

Page 5: ...TAILS 21 5 ICT 2 OUTLINE AND MOUNTING DETAILS 22 6 EFCT 1 OUTLINE AND MOUNTING DETAILS 23 7 EFCT 2 OUTLINE AND MOUNTING DETAILS 24 8 SHIELDED CABLE PREPARATION 26 9 TYPICAL FPU 16 CONNECTION DIAGRAM 2...

Page 6: ...for Phase A B or C Percent current unbalance Earth leakage current Percent I 2 t Meter values at trip Minutes to reset CT primary ratings Trip and alarm set points Operation counter Provision for 5 A...

Page 7: ...Startco Engineering Ltd Page 2 FPU 16 Feeder Protection Unit Rev 2 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer TABLE 1...

Page 8: ...0E is read as 3000 2 3 KEYPAD Four keypad switches provide the operator interface to the FPU 16 Tactile feedback switches are used to provide positive indication that switch contact has been made RAMP...

Page 9: ...Startco Engineering Ltd Page 4 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer FPU 16 FRONT PANEL FIGURE 1...

Page 10: ...ee seconds after ENTER is released to allow RAMP to be pressed to initiate a second level program change 2 4 LED INDICATORS The red TRIP ALARM LED is on if a trip or alarm has occurred It flashes when...

Page 11: ...atically switches to the mode that initiated the trip and the mode digit is followed by a trip code With the exception of autoreset which can be enabled for Mode 0 all trips must be individually reset...

Page 12: ...ents is used for the I 2 t thermal model and the 0 I 2 t curve is the maximum time to trip curve for current above In Current above In causes I 2 t to tend toward a limit above 100 and current below I...

Page 13: ...Startco Engineering Ltd Page 8 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer FPU 16 CLASS 20 THERMAL CURVE FIGURE 2...

Page 14: ...ror 0bAd Default Values Trip 10 s 6 x In Alarm 9 s 6 x In Alarm is on when I 2 t Alarm Set Point Trip Set Point x 100 Deleting the TRIP function automatically deletes the ALARM function 3 3 MODE 1 SHO...

Page 15: ...Alarm Time 0 25 to 3 cycles Display Codes Trip 2FFF Alarm 2AAA Set Point Deleted 2ddd Default Values Trip Deleted Alarm Deleted 3 5 MODE 3 CURRENT UNBALANCE This mode is used to enter current unbalan...

Page 16: ...trip level greater than 5 A is required use a 5 A or 1 A secondary earth fault CT that will not saturate at the prospective currents Earth fault current can be derived from the phase currents by using...

Page 17: ...ection 3 2 Autoreset will not occur if I 2 t IMMEDIATE RESET is selected If autoreset is required disable I 2 t IMMEDIATE RESET Default OFF 3 7 2 ALARM LATCH When the alarm latch is ON all alarms that...

Page 18: ...Startco Engineering Ltd Page 13 FPU 16 Feeder Protection Unit Rev 1 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer MODE 5 OPTIONS TABLE 2...

Page 19: ...artco Engineering Ltd Page 14 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer MODE 5 OPTIONS 2nd Level Without Communications Interface TABLE...

Page 20: ...pply voltage is on and the unit is not in a trip or alarm condition The output relays are de energized if supply voltage is off or if a trip or alarm condition occurs FPU 16 labelling shows the relays...

Page 21: ...approximately 70 of the primary rating The rated current programming range in Mode 8 is 45 to 93 of the phase CT primary rating Mode 7 must be programmed before Mode 8 because Mode 8 is set to the bot...

Page 22: ...ultiply readings in Modes A b and C by 10 Current as a percentage of rated current is displayed by pressing RESET Pre trip ammeter values can be recalled by pressing ENTER Range 0 to 10 x In Resolutio...

Page 23: ...te an extended range To obtain the actual value multiply the reading by 100 For example 10E is read as 1000 A The pre trip earth leakage value can be recalled by pressing ENTER Range 0 to 1 25 x Ie Ac...

Page 24: ...ck the unit in place by tightening the four clamp screws against the mounting panel CAUTION OVER TIGHTENING THE CLAMP SCREWS WILL DEFORM THE CLAMP AND CAUSE THE LATCH TABS TO RELEASE 4 2 2 SURFACE MOU...

Page 25: ...Startco Engineering Ltd Page 20 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer PANEL MOUNT FPU 16 OUTLINE AND MOUNTING DETAILS FIGURE 3...

Page 26: ...Startco Engineering Ltd Page 21 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer SURFACE MOUNT FPU 16 OUTLINE AND MOUNTING DETAILS FIGURE 4...

Page 27: ...Startco Engineering Ltd Page 22 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer ICT 2 OUTLINE AND MOUNTING DETAILS FIGURE 5...

Page 28: ...Startco Engineering Ltd Page 23 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer EFCT 1 OUTLINE AND MOUNTING DETAILS FIGURE 6...

Page 29: ...Startco Engineering Ltd Page 24 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer EFCT 2 OUTLINE AND MOUNTING DETAILS FIGURE 7...

Page 30: ...ated wires to 50 mm 2 and strip 6 mm 1 4 of insulation from each wire Leave the drain wire full length 4 Connect the insulated wires to the terminal block 5 Group the drain wires from all shielded inp...

Page 31: ...Startco Engineering Ltd Page 26 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer SHIELDED CABLE PREPARATION FIGURE 8...

Page 32: ...Startco Engineering Ltd Page 27 FPU 16 Feeder Protection Unit Rev 1 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer TYPICAL FPU 16 CONNECTION DIAGRAM FIGURE 9...

Page 33: ...n 6 for recommended F3 fuses Derive supply voltage from the line side of the breaker or from an independent source Connect supply voltage to terminals 1 and 3 L1 and L2 as shown in Figure 9 In 120 Vac...

Page 34: ...terface replaces the analog output at terminals 23 and 24 See communications interface manuals 4 5 ICT 2 CONNECTIONS The FPU 16 uses an ICT 2 interface CT to simplify wiring and to minimize CT burden...

Page 35: ...d 12c Dotted lines indicate 1 A CT connections Two CT connections are not recommended and are used only in retrofit applications where the third phase CT is not available 4 6 CABLE RESTRAINT All condu...

Page 36: ...Startco Engineering Ltd Page 31 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer ICT 2 SCHEMATIC FIGURE 10...

Page 37: ...Startco Engineering Ltd Page 32 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer ICT 2 STANDARD CONNECTIONS FIGURE 11...

Page 38: ...Startco Engineering Ltd Page 33 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer OTHER ICT 2 CONNECTIONS FIGURE 12...

Page 39: ...Startco Engineering Ltd Page 34 FPU 16 Feeder Protection Unit Rev 0 Pub FPU 16 M November 1997 Downloaded from the Internet see Disclaimer CABLE TERMINATION AND RESTRAINT FIGURE 13...

Page 40: ...r the other modules The transformer primary can be connected for 120 or 240 Vac operation A dc to dc converter is used for 120 240 Vac dc operation or for 12 24 or 48 Vdc operation The power supply mo...

Page 41: ...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...

Page 42: ...ed analog output circuit through a dual channel optical isolator The analog signal is scaled and buffered to provide the required current or voltage output 5 6 OPTION MODULES A 50 pin bus connector on...

Page 43: ...dc Minimum Continuous 90 Vdc DC supply voltage codes D1 D2 and D4 12 24 or 48 Vdc 10 W Maximum Continuous 50 Minimum Continuous 25 Fuse F3 See Fuse Selection Chart Interface CT Inputs Thermal Withstan...

Page 44: ...or 0 to 1 x Ie Drive 4 20 mA 700 max 0 5 Vdc 25 mA max 0 10 Vdc 25 mA max Isolation to Ground 300 Vac Continuous Dielectric Strength 1500 Vac Resolution 1 Full Scale Accuracies Ammeter Accuracy 1 2 0...

Page 45: ...rmal 50 IEC 127 I F Quick Acting F3 60 120 100 mA 250 Vac x 1 CSA UL Time 240 62 mA 250 Vac Delay SW 50 120 160 mA 250 Vac IEC 127 III T Time Lag 240 80 mA 250 Vac F3 D1 12 Vdc 2A 250 Vac x 1 CSA UL T...

Page 46: ...orporated the manual is revised to reflect the changes made It is important that the manual revision corresponds to both the FPU 16 revision level and the firmware revision level The FPU 16 revision l...

Page 47: ...r condition expressed or implied as to the state quality or fitness of the goods subject to this warranty is hereby expressly excluded No agent distributor or employee is authorized to extend or enlar...

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