Table of contents
Preface .........................................................................................................................................................3
1 Fundamental safety instructions...................................................................................................................9
1.1 General safety instructions.......................................................................................................9
1.2 Equipment damage due to electric fields or electrostatic discharge ......................................12
1.3 Warranty and liability for application examples ......................................................................13
1.4 Security information ...............................................................................................................13
1.5 Residual risks of power drive systems ...................................................................................15
2 System overview ........................................................................................................................................17
2.1 Application..............................................................................................................................17
2.2 System configuration..............................................................................................................18
2.3 Variants ..................................................................................................................................20
2.4 Ordering data .........................................................................................................................21
3 Description..................................................................................................................................................23
3.1 Characteristics .......................................................................................................................23
3.2 Illustration...............................................................................................................................24
3.3 Type plates.............................................................................................................................25
3.4 Operator control and display elements ..................................................................................27
3.4.1 Overview of operating and display elements .........................................................................27
3.4.2 LED displays ..........................................................................................................................29
3.4.3 7-segment display ..................................................................................................................31
3.4.4 Start-up and mode selector switch.........................................................................................33
3.4.5 RESET button ........................................................................................................................34
3.5 Dual fan module .....................................................................................................................34
4 Application planning ...................................................................................................................................37
4.1 Supplementary electrical conditions.......................................................................................37
4.1.1 Grounding concept.................................................................................................................37
4.1.2 RI suppression measures ......................................................................................................38
4.1.3 EMC limit values in South Korea............................................................................................39
4.1.4 EMF assessments for 24 V components ...............................................................................39
4.2 Climatic and mechanical environmental conditions ...............................................................39
4.2.1 Shipping and storage conditions ............................................................................................39
4.2.2 Operating conditions ..............................................................................................................40
5 Dimension drawings ...................................................................................................................................43
5.1 NCU 1760 dimension drawing ...............................................................................................43
NCU 1760
Equipment Manual, 02/2020, A5E45627861B AB 5
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