Schneider Electric 5.0A Manuel D’Utilisation
© 1999–2012 Schneider Electric All Rights Reserved
3-EN
48049-136-05 Micrologic
®
2.0A, 3.0A, 5.0A and 6.0A Electronic Trip Units
Rev. 01, 07/2012
Table of Contents
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Table of Contents
SECTION 1:
GENERAL INFORMATION
...................................................................................................................... 5
Introduction ................................................................................................. 5
Communications ......................................................................................... 5
Trip Unit Settings ........................................................................................ 5
Communications ......................................................................................... 5
Trip Unit Settings ........................................................................................ 5
Micrologic 2.0A Trip Unit ....................................................................... 6
Micrologic 3.0A Trip Unit ....................................................................... 6
Micrologic 5.0A Trip Unit ....................................................................... 7
Micrologic 6.0A Trip Unit ....................................................................... 8
Micrologic 3.0A Trip Unit ....................................................................... 6
Micrologic 5.0A Trip Unit ....................................................................... 7
Micrologic 6.0A Trip Unit ....................................................................... 8
Zone-Selective Interlocking ......................................................................... 9
Trip Unit Switches ..................................................................................... 10
Trip Unit Switches ..................................................................................... 10
Long-Time Protection .......................................................................... 10
Short-Time Protection ......................................................................... 11
Instantaneous Protection ..................................................................... 12
Ground-Fault Protection ...................................................................... 13
Short-Time Protection ......................................................................... 11
Instantaneous Protection ..................................................................... 12
Ground-Fault Protection ...................................................................... 13
Indicator Lights .......................................................................................... 13
Overload Indicator Light ...................................................................... 13
Trip Indicator Lights ............................................................................. 14
Trip Indicator Lights ............................................................................. 14
Ammeter ................................................................................................... 14
Trip Unit Testing ........................................................................................ 14
Micrologic Trip Unit Configuration ............................................................. 14
Trip Unit Testing ........................................................................................ 14
Micrologic Trip Unit Configuration ............................................................. 14
Control Power ...................................................................................... 14
External Power Supply ........................................................................ 15
External Power Supply ........................................................................ 15
SECTION 2:
AMMETER
.................................................................................................................... 16
Display ...................................................................................................... 16
Ammeter Measurements ........................................................................... 16
Accessing Information ............................................................................... 16
Ammeter Measurements ........................................................................... 16
Accessing Information ............................................................................... 16
Current Menu ...................................................................................... 17
Peak Menu .......................................................................................... 18
Switch Settings Menu .......................................................................... 19
Peak Menu .......................................................................................... 18
Switch Settings Menu .......................................................................... 19
SECTION 3:
OPERATION
.................................................................................................................... 20
Switch Setting Adjustment ........................................................................ 20
Examples .................................................................................................. 20
Examples .................................................................................................. 20
Micrologic 2.0A Trip Unit ..................................................................... 20
Micrologic 3.0A Trip Unit ..................................................................... 21
Micrologic 5.0A Trip Unit ..................................................................... 21
Micrologic 6.0A Trip Unit ..................................................................... 22
Micrologic 3.0A Trip Unit ..................................................................... 21
Micrologic 5.0A Trip Unit ..................................................................... 21
Micrologic 6.0A Trip Unit ..................................................................... 22
Zone-Selective Interlocking (ZSI) .............................................................. 23
Communication Module values ................................................................. 24
Trip Unit Settings Check ........................................................................... 26
Trip Unit Operation Verification ................................................................. 26
Equipment Ground-Fault Trip Functions Testing ...................................... 27
Trip Unit Resetting .................................................................................... 27
Trip Unit Status Check .............................................................................. 27
Communication Module values ................................................................. 24
Trip Unit Settings Check ........................................................................... 26
Trip Unit Operation Verification ................................................................. 26
Equipment Ground-Fault Trip Functions Testing ...................................... 27
Trip Unit Resetting .................................................................................... 27
Trip Unit Status Check .............................................................................. 27
SECTION 4:
TRIP UNIT REPLACEMENT
.................................................................................................................... 28
Required Tools .......................................................................................... 28
Preparation ............................................................................................... 28
Preparation ............................................................................................... 28
Record Switch Settings ....................................................................... 28
Circuit Breaker Disconnection ............................................................. 28
Circuit Breaker Accessory Cover Removal ......................................... 28
Rating Plug Removal ........................................................................... 29
Trip Unit Removal ................................................................................ 29
Circuit Breaker Disconnection ............................................................. 28
Circuit Breaker Accessory Cover Removal ......................................... 28
Rating Plug Removal ........................................................................... 29
Trip Unit Removal ................................................................................ 29