Schneider Electric 5.0A, 3.0A, 2.0A Set time delay, Set Time Delay, Rev , 07/2012 Operation, 21-EN

Page 23

48049-136-05

Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units

Rev. 01, 07/2012

Section 3—Operation

 

 

2. Set time delay.

Figure 26:

Set Time Delay

 

06133211

 

 

 

 

 

 

 

 

 

 

 

 

 

 

long time

(s)

4 12

alarm

 

 

 

 

 

 

tr

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

16

 

 

 

 

 

 

 

 

 

1

20

 

 

 

 

 

 

 

 

 

 

 

 

.5 @ 6 Ir24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tr = 1 s (at 6 x Ir)

t

 

06133212

 

1 s

tr

0

6

 

x Ir

I

ENGLISH

Micrologic 3.0A Trip Unit

1. Set pickup levels.

Figure 27: Set Pickup Levels

06133209

long time

Ir

.8

alarm

.7

.9

 

.6

 

.95

 

.5

 

.98

 

.4 x In 1

 

instantaneous

 

Ii

5

 

 

4

6

 

3

 

8

 

2

 

10

 

1.5

x In

12

 

 

 

 

setting

In = 2000 A

Ir = 0.7 x In = 1400 A

Ii = 3 x In = 6000 A

06133210

t

Ir

 

Ii

0

6000 A

1400A

I

2. Set time delay.

Figure 28: Set Time Delay

06133211

 

 

long time

(s)

4

 

12

alarm

 

 

 

tr

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

216

1 20

.5 @ 6 Ir24

tr = 1 s (at 6 x Ir)

t

 

06133212

 

1 s

tr

0

6

 

x Ir

I

Micrologic 5.0A Trip Unit

Figure 29: Set Pickup Levels

1. Set pickup levels.

06133213

long time

 

 

 

 

Ir

.8

 

 

alarm

 

.7

.9

 

 

 

 

 

.6

 

.95

 

 

 

 

 

.5

 

.98

 

 

 

 

 

.4

x In 1

 

 

 

 

 

short time

 

instantaneous

 

Isd

4

5

 

I i

8

10

 

3

 

6

 

 

 

 

 

2.5

 

6

 

4

 

12

 

2

 

8

 

3

 

15

 

1.5

x Ir

10

off

2

 

off

 

 

 

 

x In

 

setting

 

 

 

 

In = 2000 A

Ir = 0.7 x In = 1400 A

Ii = 6 x In = 12000 A

Isd = 2 x Ir = 2800 A

t

Ir

 

06133214

 

 

 

 

 

Isd

 

 

Ii

0

 

12000 A

1400A

2800 A

I

© 1999–2012 Schneider Electric All Rights Reserved

21-EN

Image 23
Contents Conserver pour usage ultérieur Page Retain for future use Micrologic 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip UnitsDeath or serious injury Hazard Categories and Special SymbolsPlease Note FCC NoticeTable of Contents List of Registers Rating Plug Removal New Rating Plug InstallationCommunications Trip Unit SettingsGeneral Information Introduction0A Trip Unit Micrologic 2.0A Trip UnitMicrologic 3.0A Trip Unit Micrologic 5.0A Trip Unit Micrologic 6.0A Trip Unit Zone-Selective Interlocking Trips and clears the fault. Circuit breaker 2 does not tripLong-Time Protection Trip Unit SwitchesMicrologic Trip Unit Long-Time Delay Values Short-Time Protection Micrologic Trip Unit Short-Time Delay ValuesInstantaneous Protection Micrologic Trip Unit Ground-Fault Pickup Values Indicator LightsGround-Fault Protection Overload Indicator LightControl Power Trip Unit TestingMicrologic Trip Unit Configuration Trip Indicator Lights15-EN External Power SupplyFunction Specification Ammeter Measurements Accessing InformationAmmeter Display17-EN Current MenuCurrent Menus Rev , 07/2012 Ammeter18-EN Peak Menu19-EN Switch Settings MenuSwitch settings menu displays Set pickup levels Switch Setting AdjustmentOperation Examples21-EN Set time delaySet Time Delay Rev , 07/2012 Operation22-EN Set Time DelaysSet time delays 23-EN Zone-Selective Interlocking ZSIZSI Combinations Units24-EN Wire circuit breakers for zone-selectiveCommunication Module values Interlocking25-EN Set communication module valuesScreen Trip Unit Settings CheckTrip Unit Settings Trip Unit Operation Verification27-EN Equipment Ground-Fault Trip Functions TestingTrip Unit Resetting Trip Unit Status CheckPreparation Trip Unit ReplacementRequired Tools Trip Unit Removal Trip Unit ReplacementBattery Installation Rating Plug Removal30-EN Trip Unit Installation31-EN Circuit Breaker Accessory CoverReplacement Close switch cover a32-EN Trip Unit Installation CheckTrip Unit Setup Circuit Breaker Reconnection Rating Plug Removal Adjustable Rating Plug ReplacementNew Rating Plug Installation Circuit Breaker Disconnection Battery ReplacementCircuit Breaker Accessory Cover Removal Battery Replacement35-EN Withstand Module ReplacementRev , 07/2012 Battery Replacement Module Module Name Equation Address Range Appendix A-Register ListList of Registers Register List37-EN Rev , 07/2012 Appendix A-Register ListSchneider Electric