Cutler-Hammer Digitrip OPTIM 1050 Скачать руководство пользователя страница 58

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breakers. The transmit LED should flash when
there is communication. With the external con-
nections to C11 and C12 or C6 and C7 opened
temporarily, the resistance “looking into” C11
and C12 or C6 and C7 should be approximately
2.5 ohms.

R-Frame, SPB Pow-R and DSII/DSLII Circuit Breakers without Auxiliary Power

Unit Status LED is not

Current thru breaker is < 20% of

No problem. Status LED will not operate with

N.A.

blinking.

frame rating.

breaker currents < 20% of frame rating.

Trip unit may be the problem.

Replace trip unit

Para. 5-3

As soon as current starts

Rating plug is not installed or is

Install rating plug and/or check for loose con-

Para. 2-6 & 5-4.2

to flow thru the breaker,

loose. Breaker cannot be closed

nections.

it trips and the instantan-

without rating plug installed.

eous trip LED comes on.

Rating plug is open internally

Replace rating plug

Para. 5-4.2, Table 2.1

Trip unit may be the problem.

Replace trip unit

Para. 5-3

LED does not come on

Battery installed backwards

Install correctly

Para. 5-4.1

when battery check
button is pressed.

Dead battery

Replace battery

Para. 5-4.1, Table 2.2

Bad rating plug

Replace rating plug

Para. 5-4.2, Table 2.1

“Connection Failure” when

OPTIMizer not working or cord not

Verify OPTIMIzer operation on another breaker.

I.B. 29C892

OPTIMizer is plugged in.

properly plugged into OPTIMizer.

Para. 2-2.2 & 3-2

Cord not properly plugged into

Check connection. If unit status LED is blinking,

Para. 2-5.1

breaker.

connection is OK.

Rating plug is not installed or is

Instantaneous LED will be on. Install rating plug

Para. 2-6 & 5-4.2

loose.

and/or check for loose connections.

Rating plug is open internally.

Replace rating plug

Para. 5-4.2, Table 2.1

Trip unit may be the problem.

Replace trip unit

Para. 5-3

Breaker trips on ground

There actually is a ground fault.

Find location of the fault

N.A.

fault.

On four wire systems the neutral

Check connections at terminals D6 and D7 on

Table A.1

current sensor may not have the

RD and SPB breakers or 19 and 20 on DSII

Wiring Diagrams

correct ratio or be properly con-

breakers. Check that the neutral current sensor

nected.

ratio matches the breaker. Check that the con-
nections from the neutral current sensor to the

(Continues on next page)

breaker are not reversed. Check that the shorting

I.B. 29C891B

Page 51

Effective 11/98

Table 5.1 Troubleshooting Guide (continued from previous page)

Symptom

Probable Cause

Possible Solution(s)

References

Содержание Digitrip OPTIM 1050

Страница 1: ...tructions for Operation and Maintenance of Digitrip OPTIM Trip Units P R O T E C T I O N A N D C O O R D I N A T I O N C O M M U N I C A T I O N S S Y S T E M S E N E R G Y M O N I T O R I N G DSII DS...

Страница 2: ...LAR PURPOSE OF MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CON TAINED HEREIN In no event will Cut...

Страница 3: ...2 2 6 OPTIM Trip Unit Rating Plug 14 2 7 External OPTIM Trip Unit Accessories 15 2 8 Specification and Protective Range Summaries 15 SECTION 3 OPERATION AND FUNCTIONALITY 3 1 General 20 3 2 Protection...

Страница 4: ...ication 40 4 3 2 Initial Power Application 41 4 4 Testing 41 SECTION 5 TROUBLESHOOTING AND MAINTENANCE 5 1 Level of Repair 43 5 2 Troubleshooting 43 5 3 Trip Unit Replacement 43 5 4 Maintenance and Ca...

Страница 5: ...II Type OPTIM Trip Unit Battery Compartment 13 2 12 OPTIMizer Shown Connected to Programming Port of DSII Type Circuit Breaker 14 2 13 Family of OPTIM Trip Unit Ratings Plugs 14 2 14 Power Accessory R...

Страница 6: ...Type OPTIM Trip Units 55 5 6 Rating Plug Shown Being Removed R Frame SPB and DSII DSLII Type OPTIM Trip Units 55 LIST OF TABLES Figure Title Page 2 1 Rating Plugs Applicable to All OPTIM Trip Units 1...

Страница 7: ......

Страница 8: ...fered by the most advanced programmable trip unit system Digitrip OPTIM Refer to Appendix A for all instruction material references Please read and understand this manual and all other relevant manual...

Страница 9: ...ng Digitrip OPTIM Trip Units cover a range of rated currents from 70 amperes to 5000 amperes The Digitrip OPTIM Trip Unit provides true rms sensing and utilizes a non adjustable interchangeable rating...

Страница 10: ...the Breaker Interface Module and IMPACC software also become integral parts of the overall Digitrip OPTIM Trip Unit System Together the OPTIM Trip Units the required OPTIMizer Hand Held Programmer the...

Страница 11: ...lized to provide on gear or remote monitoring and even testing of compatible devices Figure 1 7 Up to 50 OPTIM Trip Units Digitrip RMS 810 910 Trip Units or IQ Energy Sentinels can communicate with on...

Страница 12: ...ng Long delay time with selectable I2 t or I4 t slopes Short delay setting Short delay time with selectable flat or I2 t slopes Instantaneous setting Ground fault setting Ground fault time with select...

Страница 13: ...ns to Master Computer Shielded Twisted Pair OPTIMizer OPTIMizer OPTIMizer OPTIMizer Series C K Frame MCCB with OPTIM OPTIMizer NOTES OPTIMizer Hand Held Programmer compatible only with OPTIM Trip Unit...

Страница 14: ...d Programmer require an auxil iary power module to supply the necessary power Trip units continue to provide protection during test opera tions Data Access All programming information display and gene...

Страница 15: ...1 The trip units are completely self contained and when the circuit breaker is closed no external power is required to operate their protective systems They operate from cur rent signal levels and co...

Страница 16: ...The side wiring brackets shown in Figures 2 2 and 2 3 are only necessary for Models 750 and 1050 on K L and N Frame circuit breakers Model 550 does not need the bracket on the same frames 2 4 1 K L A...

Страница 17: ...D indicator if the battery is in good working condition Refer to paragraph 5 4 1 for battery replacement infor mation Trip Indicator Reset Pushbutton A trip reset pushbutton is provided to turn off a...

Страница 18: ...it Status LED blinks with a one second on off duty cycle when power is applied to the trip unit and it is functioning properly INCOM Transmit LED The red transmit LED flashes red when the trip unit is...

Страница 19: ...8 OPTIM Trip Unit Mounted in SPB Circuit Breaker vated The LEDs are presented in the form of a mimic time current curve on the front of the OPTIM Trip Unit Notice Trip unit indicators should be power...

Страница 20: ...into the port and permits direct pro gramming of the trip unit Figure 2 12 The port will accept either end of the custom phone cord Notice When the OPTIMizer is plugged into a trip unit it prevents a...

Страница 21: ...interchangeable rating plugs Figure 2 13 Rating plugs are designed for use with one specific circuit breaker type The circuit breaker type is indicated on the rating plug Rating plugs are suitable fo...

Страница 22: ...ircuit Breakers OPTIM 750 Trip Unit OPTIM 1050 Trip Unit Requires Requires REMOTELY MOUNTED 24 VDC POWER SUPPLY REMOTELY MOUNTED 24 VDC POWER SUPPLY and POTENTIAL TRANSFORMER MODULE PTM Circuit Breake...

Страница 23: ...29C891B Page 16 Effective 11 98 Figure 2 15 Externally Mounted Potential Transformer Module necessary for K L and N Frame only Figure 2 16 Ground Fault Alarm Indicator necessary for K L and N Frame o...

Страница 24: ...1000 250 200 90 70 500 1200 300 200 300 100 90 550 1600 400 250 110 100 600 1000 2000 400 800 300 125 110 700 1200 600 200 400 125 250 125 800 1600 800 250 150 250 600 1200 2000 600 1200 300 175 125...

Страница 25: ...75 x 3 94 x 3 00 Potential Transformer Module PTM Catalog DOPTMLN Style 7801C54G01 Input voltage terminals LA LB and LC Rated input voltage 0 to 600 volts line to line Input volt amps 1 VA per phase O...

Страница 26: ...rent Sensor Power and Peak K L N 4 of Frame Current Rating x 600V x 3 1 sec sampling window Demand R SPB 4 of Frame Current Rating x 600V x 3 Current 5 to 175 of frame DSII DSLII 4 of Current Sensor R...

Страница 27: ...nse of the trip unit is graphically represented by time current characteristic curves These curves show how and when a particular trip unit will act for given values of time and current The more versa...

Страница 28: ...res The Long Delay Setting Ir is programmable from 0 4 1 0 times the rating plug value In for the L Frame For this example the Long Delay Setting Ir is pro grammed to 0 5 In 0 5 200 100 amperes the re...

Страница 29: ...1 steps 1600 2000A 2 0 6 0 x In 0 1 steps 2500A Discriminator Yes Yes Override Fixed Instantaneous Yes Yes GROUND FAULT PROTECTION Ground Fault Alarm not to exceed 1200A 0 2 1 0 x Is 0 01 steps 0 24...

Страница 30: ...eps 2 0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 1600 2000A 400 3000A 2 0 6 0 x In 0 1 steps 2 0 6 0 x In 0 1 steps 2500A 4000 5000A Discriminator Yes Yes Yes Yes Override F...

Страница 31: ...0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 2 0 10 0 x In 0 1 steps 1600 2000A 400 3000A 2 0 6 0 x In 0 1 steps 2 0 6 0 x In 0 1 steps 2500A 4000 5000A Discriminator Yes Yes Yes Yes Override Fixed I...

Страница 32: ...vides for a local or remote alarm of the condition It does not trip the cir cuit breaker due to a ground fault condition The alarm feature can be turned OFF if desired LSIG Configuration The LSIG conf...

Страница 33: ...A Long Delay Time I2t 2B Long Delay Time I4t SHORT CIRCUIT 3 Short Delay Pickup 4A Short Delay Time Flat Response 4B Short Delay Time I2t Response 5 Instantaneous GROUND FAULT 6 Ground Fault Pickup 7A...

Страница 34: ...Delay Time Setting represented by dotted lines Figure 3 7 Typical Long Delay Time Adjustment I2t Response TIME CURRENT Note Long Delay Setting represented by dotted lines Figure 3 6 Typical Long Delay...

Страница 35: ...ro tection Either both one or the other short or instanta neous must always be provided Tables 3 2 and 3 3 and Figure 3 4 Short delay protection can consist of the following Short delay pickup setting...

Страница 36: ...ustment I 2t Response TIME CURRENT Note Short Delay Time Setting represented by dotted lines Figure 3 10 Typical Short Delay Time Adjustment Flat Response curve can be moved vertically and independent...

Страница 37: ...us Pickup The instantaneous pickup setting establishes the current level at which the trip unit s instantaneous tripping function will trip the circuit breaker with no intentional time delay It is pro...

Страница 38: ...r The override circuit is set to a value no greater than the short time withstand current rating of the circuit breaker in which the override circuitry is installed Since the specific values vary by c...

Страница 39: ...me for both ground fault trip LSIG units and ground fault alarm LSIA units These settings are programmable over a range of fac tors by circuit breaker type as follows Series C K L and N Frame Circuit...

Страница 40: ...TIM Trip Units are identified in Appendix A Table A 1 Contact Cutler Hammer for a specific curve 3 3 SYSTEM MONITORING Digitrip OPTIM Trip Units provide an electrical distribution system with superior...

Страница 41: ...CALLY AT THE I B 29C891B Page 34 Effective 11 98 WARNING metered parameters are monitored and then displayed over the OPTIM information system Local LEDs are used to indicate a number of conditions an...

Страница 42: ...y averaged over this interval and the maximum 15 minute average is displayed as peak demand When the trip unit is first energized there is a delay of 15 min utes before the first non zero value is dis...

Страница 43: ...uter only Remote Master Computer with a Breaker Interface Module Refer to paragraph 1 3 and Figure 1 9 for additional infor mation on sub network and network communications In addition Section 3 of In...

Страница 44: ...nnected position while carrying load current However as stated in the CAUTION at the beginning of this section good practice will limit circuit breaker in ser vice Trip tests to maintenance periods du...

Страница 45: ...GROUND FAULT TRIP UNITS Code Requirements The National Electrical Code under Article 230 95 C requires that any ground fault protection system be per formance tested when first installed The test sha...

Страница 46: ...FORM Ground Fault Test Record should be Retained by Those in Charge of the Building s Electrical Installation in order to be available to the Authority having Jurisdiction TEST DATE CIRCUIT BREAKER RE...

Страница 47: ...trip unit pickup SECTION 4 STARTUP AND TESTING 4 1 INTRODUCTION This section addresses those procedures associated with the startup and testing of installed Digitrip OPTIM Trip Units As a minimum the...

Страница 48: ...circuit breaker current in at least one phase exceeds 20 of the installed rating plug value or 2 Auxiliary power is supplied to the circuit breaker The red transmit LED will blink whenever the trip u...

Страница 49: ...utler Hammer IMPCABLE When interconnecting devices tie shield drain wires together for shield path continuity Connect the shield path to a solid earth ground at one point only On last device in networ...

Страница 50: ...uld also be free of excess humidity Store the device in its original packing material K L and N Frame Circuit Breakers with Auxiliary Power Unit Status LED is not Auxiliary power is not present or is...

Страница 51: ...Replace breaker Refer to Note 1 at end of Para 5 3 Table 5 1 RECONNECT AUXILIARY POWER BIM will not communicate Breaker address is 32 HEX Check address with OPTIMizer and change as I B 29C892 with tr...

Страница 52: ...and remove it N A fault On four wire systems the neutral 1 Check that the neutral sensor and neutral Table A 1 current sensor may not have the sensor connections on side terminal block are Wiring Dia...

Страница 53: ...currents 20 of frame rating mately a one second on off duty cycle Trip unit may be the problem Replace breaker Refer to Note 1 at end of Para 5 3 Table 5 1 As soon as current starts Rating plug is no...

Страница 54: ...L1 and L2 Table A 1 on the ground fault alarm unit With these con Instructions for nections open approximately 5 volts should ground fault alarm appear between GF AL and COM when the and wiring diagra...

Страница 55: ...ocking on ground fault and or See directions for checking zone selective interlocking Appendix B short delay does not work R Frame SPB Pow R and DSII DSLII Circuit Breakers with Auxiliary Power Unit s...

Страница 56: ...problem Replace trip unit Para 5 3 RECONNECT VOLTAGE SUPPLY BIM will not communicate Breaker address is 32 HEX Check address with OPTIMizer and change as I B 29C892 with trip unit required Para 3 5 1...

Страница 57: ...93 Section 4 Trip unit may be the problem Replace trip unit Para 5 3 Breaker trips too rapidly Powered thermal memory can cause If powered thermal memory is not required I B 29C892 Para 3 6 on long de...

Страница 58: ...g plug Replace rating plug Para 5 4 2 Table 2 1 Connection Failure when OPTIMizer not working or cord not Verify OPTIMIzer operation on another breaker I B 29C892 OPTIMizer is plugged in properly plug...

Страница 59: ...se breaker to trip too soon turn it off with the OPTIMizer Trip unit settings are not correct Change settings I B 29C892 Section 3 or I B 29C893 Section 4 Trip unit may be the problem Replace trip uni...

Страница 60: ...also shown on the inside of the hinged cover Close the rating plug s hinged cover Figure 5 1 Battery Test Pushbutton and LED Shown on Face of OPTIM Trip Unit Figure 5 2 Battery Test Pushbutton and LE...

Страница 61: ...lling out on the small mold ed top and bottom lips Step 4 Install a new rating plug by pushing it gently into the rating plug cavity until it is seated Secure the rating plug in position by turning th...

Страница 62: ...for service personnel to identify whether a problem being observed is external or internal to the device If a prob lem is determined to be internal the device should be returned to the factory for rep...

Страница 63: ...Digitrip OPTIM Trip Unit System OPTIM Trip Unit System Overview IB 29C890 OPTIM Trip Units IB 29C891 OPTIMizer Hand Held Programmer IB 29C892 Breaker Interface Module IB 29C893 Digitrip RMS Trip Unit...

Страница 64: ...96 2500A I2t Long Flat Short Delay Phase SC 6340 96 2500A I4t Long Flat Short Delay Phase SC 6341 96 1600A Instantaneous Override Phase SC 6342 96 2000A Instantaneous Override Phase SC 6343 96 2500A I...

Страница 65: ...r The desig nations for the breaker terminals to which this voltage is to be applied are NEP LEP Trip Units REP Trip Units RD and SPB DSII side of voltage SOUT D9 Z2 side of voltage COM C1 Z1 Step 4 N...

Страница 66: ...act between the purchaser and Cutler Hammer NO WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PAR TICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEAL IN...

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