Crompton Controls M20 - Manual (Page 2)

Emotron AB 01-2151-01r4 1
Contents
1 Inside the Box............................................................................. 3
2 Safety .......................................................................................... 4
3 Description.................................................................................. 5
4 Getting Started ........................................................................... 7
4.1 Please note ................................................................................................. 7
4.2 Connection and set-up before first start ................................................... 7
4.3 First start ..................................................................................................... 8
4.4 Manual setting of alarm levels, alternative A ........................................... 9
4.5 Manual setting of alarm levels, alternative B........................................ 10
4.6 Manual setting of alarm levels, alternative C ........................................ 10
5 Wiring ........................................................................................ 11
5.1 Alternative example for single-phase connection ................................. 13
5.2 Example - digital input............................................................................. 14
6 Selection of Current Transformer ........................................... 14
6.1 Motors less than 100 A........................................................................... 14
6.2 Motors greater than 100 A ..................................................................... 17
7 Operation .................................................................................. 19
7.1 Overview ................................................................................................... 19
7.2 Window menu .......................................................................................... 20
7.3 How to change a value ............................................................................ 21
8 Programming ............................................................................ 22
8.1 Set measurement unit, kW or HP ........................................................... 22
8.2 Setting rated motor power and current (window 41 and 42)............... 24
8.3 Setting number of phases (window 43) ................................................. 25
8.4 Monitor function (window 05)................................................................. 25
8.5 Setting the Start Delay (window 31)....................................................... 27