Nidec Digitax HD M751 Base - Power and Ground Connections

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Safety information Product information Mechanical installation Electrical installation Multi axis system design Technical data

48 Digitax HD M75X Series Installation and Technical Guide

Issue Number: 5

4.1 Power and ground connections

Figure 4-1 Digitax HD M75X power and ground connections

L3/N

Input connections

Mains supply

L1 L2

Optional line reactor

Optional

EMC filter

Fuses

BR2

BR1

Optional

braking

resistor

Thermal

overload

protection

device**

Brake connections

-DC

+DC

DC connections

Motor

connections

Main Page

Table of Contents3
Digitax HD M75X Series Installation and Technical Guide Issue Number5
Warnings, Cautions and Notes6
Important Safety Information. Hazards6
Competence of Designers and Installers6
Responsibility6
Compliance with Regulations6
Electrical Hazards6
Stored Electrical Charge6
Mechanical Hazards6
Access to Equipment6
Motor7
Mechanical Brake Control7
Adjusting Parameters7
Electromagnetic Compatibility (EMC)7
Introduction8
Model Number8
Drive Nameplate Description9
Ratings10
Operating Modes11
Drive Features12
Items Supplied with the Drive13
Installation and System Accessories14
Planning the Installation16
SI Option Module Installation17
KI-Compact Display Installation20
KI-Remote Keypad Adaptor Installation21
Drive Dimensions23
Ingress Protection Label26
Enclosure Layout27
Rear Venting28
Enclosure Sizing30
Enclosure Design and Drive Ambient Temperature32
Drive Cooling Fan Operation32
Braking Resistor32
External EMC Filter36
Terminal Size and Torque Settings41
Hand Tools Required with Digitax HD M75X Series42
Routine Maintenance42
Fan Replacement43
Power and Ground Connections48
AC Supply Requirements50
Supplying the Drive with DC51
External 24 VDC Supply53
Low Voltage Operation54
Ratings54
Output Circuit and Motor Protection55
Braking57
Ground Leakage (PE Current)60
EMC (Electromagnetic Compatibility)61
Control Terminals73
Position Feedback Connections75
Communication Connections81
Safe Torque off (STO)82
Multi Axis System Power Profile and Configuration84
DC Bus Paralleling Connection Method87
External 24 VDC Supply Requirements for Multi Axis Systems90
Communications Link91
Brake Operation for Multi Axis Systems91
EMC Filters for Multi Axis Systems91
Multi Axis System Installation92
Example Design of a Multi Axis System95
Drive Technical Data98

Nidec Digitax HD M751 Base - Power and Ground Connections

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