P&B MPR3E5 - Default Chapter; Table of Contents

Issue H
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Contents
CONTENTS ..................................................................................................................................................................... I
1. INTRODUCTION...................................................................................................................................................... 2
2. APPLICATION.......................................................................................................................................................... 3
3. FEATURES AND CHARACTERISTICS ............................................................................................................... 3
4. DESIGN ...................................................................................................................................................................... 4
4.1 CIRCUIT DIAGRAMS ................................................................................................................................................ 4
4.1.1 Analogue input circuits................................................................................................................................... 5
4.1.2 Output relays................................................................................................................................................... 5
4.1.3Remote data communication............................................................................................................................ 5
5. FRONT PANEL......................................................................................................................................................... 6
5.1 ALPHANUMERIC DISPLAY ....................................................................................................................................... 6
5.1.2. Mode 2 Settings.............................................................................................................................................. 8
5.1.3. Fault indication ............................................................................................................................................. 9
5.2. LED indicators.................................................................................................................................................. 9
5.3. Push buttons...................................................................................................................................................... 9
6. WORKING PRINCIPLES...................................................................................................................................... 10
6.1 ANALOGUE CIRCUITS ............................................................................................................................................ 10
6.2 DIGITAL CIRCUITS ................................................................................................................................................. 10
7. OPERATION AND SETTING ............................................................................................................................... 11
7.1 LAYOUT OF THE CONTROL ELEMENTS ................................................................................................................... 11
7.2. RELAY DISPLAY AND SETTING PROCEDURE......................................................................................................... 11
7.2.1. Display mode(1)........................................................................................................................................... 11
7.2.2. Setting Mode (2)........................................................................................................................................... 11
7.3 SETTING PROCEDURE ............................................................................................................................................ 13
7.3.1. t6x Setting .................................................................................................................................................... 13
7.3.2. Speed Switch ................................................................................................................................................ 13
7.3.3. Full Load Current Setting I FLC ................................................................................................................ 13
7.3.4. CT Primary Setting ...................................................................................................................................... 13
7.3.5. Hot/Cold Ratio Setting................................................................................................................................. 14
7.3.6. Thermal Overload Pre-Alarm Setting.......................................................................................................... 14
7.3.7. Number of Starts per Hour. ......................................................................................................................... 14
7.3.8. Start Inhibit Time ......................................................................................................................................... 14
7.3.9. Earth Fault Current ..................................................................................................................................... 14
7.3.10. Earth Fault trip Time ................................................................................................................................. 15
7.3.11. Unbalance Current .................................................................................................................................... 15
7.3.12. Undercurrent Setting ................................................................................................................................. 16
7.3.13. Undercurrent Time..................................................................................................................................... 16
7.3.14. High Set Overcurrent................................................................................................................................. 16
7.3.15. High Set Overcurrent Time ........................................................................................................................ 16
7.3.16 Low Set Overcurrent ................................................................................................................................... 16
7.3.17 Low Set Overcurrent Time .......................................................................................................................... 16
7.3.19 Set Password............................................................................................................................................... 16
7.3.20 Serial Link Address, RSnn........................................................................................................................... 16