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1LA8
Operating Instructions
Page 132
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148 pages
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Part
Description
Part
Description
20.61
Cable gland (upper part)
22.70
Fixing lug for PE conductor
20.62
Cable gland (lower part)
Spare parts
10.16 Terminal box 1XB1634
SIMOTICS TN Series N-compact 1LA8
132
Operating Instructions 05/2016
131
133
Table of Contents
Main Page
Default Chapter
4
Assembly
4
Table of Contents
5
1 Introduction
13
About These Instructions
13
Compiling Personal Documents
13
2 Safety Information
15
Information for the Nominated Person in Control of the Electrical Installation
15
The Five Safety Rules
15
Qualified Personnel
16
Safe Handling
16
Electrostatic Sensitive Devices
18
Electromagnetic Compatibility
19
Interference Immunity
19
Influence on the Line Power Supply through a Strongly Irregular Torque
19
Interference Voltages When Operating the Converter
20
Electromagnetic Fields When Operating Electrical Power Engineering Installations
20
3 Description
21
Table 3-1 Machine Design
21
Table 3-2 Data on the Rating Plate
22
Image 3-1 Schematic Diagram of Rating Plate
22
Table 3-3 Rolling-Contact Bearing Variants
24
Table 3-4 Assignment of Shaft Heights to Terminal Boxes
25
4 Preparations for Use
27
Safety-Related Aspects to Consider When Configuring the Plant
27
Observing the Operating Mode
27
Thermal Motor Protection
27
Interlock Circuit for Anti-Condensation Heating (Option)
27
Noise Emissions
28
Rotational Speed Limit Values
28
Phase Synchronization During Supply System Switching
28
Space Requirements
29
Voltage and Frequency Fluctuations During Line Operation
29
System-Inherent Frequencies
29
Table 4-1 Minimum Dimensions for Air Intake
29
Torsional Loading of the Drive Train Due to Faults in the Electrical Supply
30
Transport and Storage
30
Transport Markings
30
Checking the Delivery
31
Requirements for Safe Lifting and Transporting
31
Securing the Rotor
32
Image 4-1 Axial Location of the Rotor
32
Transporting the Machine Set
33
Table 4-2 Tightening Torque for the Shaft Screw on the Rotor Shipping Brace
33
Storage
34
Protection against Corrosion
36
Converter Operation
37
Supply Line Configuration
37
Reducing Bearing Currents
37
Insulated Bearings When Operating the Converter
39
Image 4-2 Schematic Representation of a Single Drive
39
Image 4-3 Schematic Representation of a Tandem Drive
40
5 Assembly
41
Preparations for Installation
41
Requirements for Installation
41
Insulation Resistance and Polarization Index
42
Testing the Insulation Resistance and Polarization Index
42
Table 5-1 Stator Winding Insulation Resistance at 40° C
43
Preparing the Mating Faces
45
Lift the Machine to Where It will be Installed, and Position It
45
Preconditions for Correct Alignment and Secure Attachment
45
Checking the Load Handling Attachments
46
Removing the Rotor Shipping Brace
46
Removing Anti-Corrosion Protection
47
Mounting the Output Elements
48
Image 5-1 Balancing Type on the Drive-End Side
48
Lifting and Transporting the Machine
49
Draining Condensation
51
Image 5-2 Schematic Diagram of the Water Drain Holes
51
Image
51
Putting the Machine down
52
Roughly Aligning the Machine
52
Installing the Machine
53
Safety Instructions for Installation
53
Selecting Fixing Screws
53
Preconditions for Smooth, Vibration-Free Operation
54
Aligning the Machine to the Driven Machine and Attaching It to It (IM B3 / IM B35)
54
Table 5-2 Permissible Deviations for Aligning the Machine with Flexible Coupling
55
Schematic Diagram: Aligning the Machine to the Driven Machine
55
Image
55
Aligning the Machine to the Driven Machine and Attaching It to It (IM B5)
56
Aligning the Machine to the Driven Machine and Attaching It to It (IM V1, IM V10)
56
Axial and Radial Forces
57
6 Electrical Connection
59
Safety Instructions Relating to the Electrical Connection
59
Terminal Box
59
Terminal Box GT640
60
Terminal Box 1XB1621
60
Image
60
Terminal Box 1XB1631
61
Image
61
Terminal Box 1XB1634
62
Terminal Box 1XB9600
63
Preparation
63
Checking Winding Connections
63
Terminal Designation
64
Selecting Cables
64
Connecting the Grounding Conductor
64
Table 6-1 Terminal Designations Using the 1U1-1 as an Example
64
Table 6-2 Determining the Cross-Section of the Grounding Conductor
64
Radio-Frequency Grounding for Converter Operation
65
Connection Without Terminal Box
66
Connecting the Machine for a Specific Direction of Rotation
67
Connection
67
Inserting the Cable into the GT640 Terminal Box
68
Inserting the Cable into the 1XB16
68
Table 6-3 Connection Technology (with Cable Lug / Connection Without Cable Lug)
68
Table 6-4 Cable Entry Plate Versions
68
Inserting the Cable into the 1XB.. Terminal Box with Ring Seal
69
Table 6-5 Terminal Boxes with Onion Sealing Ring
69
Laying Cables
70
Connecting Cables with Cable Lugs
71
Connection Without Cable Lugs
71
Image 6-9 Connection Using Terminal Clamps (Schematic Diagram)
72
Use of Aluminum Conductors
73
Using Single-Stranded Cables
73
Internal Equipotential Bonding
73
Stepless Mating Face for Sealing in the Terminal Box Cover (Not for GT640)
74
Minimum Air Clearances
74
Table 6-6 Minimum Air Clearance Dependent on Rms Value of the Alternating Voltage U
74
Finishing Connection Work
75
Connecting the Auxiliary Circuits
75
Selecting Cables
75
Bringing Cables into the Auxiliary Terminal Box and Routing Them
75
Connecting Temperature Monitoring for the Stator Winding
76
Terminating the Connection Work (Auxiliary Circuit)
77
Converter Operation
77
Operation on a Converter with a Low Pulse Frequency
77
Maximum Peak Voltage at the Motor Terminals
78
Reducing Bearing Currents
78
Table 6-7 Maximum Peak Voltage at the Motor Terminals
78
Converter Operation on a Grounded Network
80
7 Start-Up
81
Checks to be Carried out Prior to Commissioning
81
Measuring the Insulation Resistance before Commissioning
82
Greasing the Roller Bearings Prior to Commissioning
83
Setpoint Values for Monitoring the Bearing Temperature
84
Set Values for Monitoring the Winding Temperature
84
Table 7-1 Set Values for Monitoring the Bearing Temperatures before Commissioning
84
Table 7-2 Set Values for Monitoring the Bearing Temperatures in Normal Operation
84
Test Run
85
De-Energizing
86
8 Operation
87
Safety Guidelines in Operation
87
Switching off the Anti-Condensation Heating
88
Switching on the Machine
89
Regreasing Roller Bearings
89
Switching on Again after an Emergency Switching-Off
89
Stoppages
89
Avoidance of Condensation or Formation of Condensation Within the Machine
90
Avoidance of Damage to Roller Bearings During Stoppages
90
Shaft Grounding Brushes (Option)
91
Measurement of the Insulation Resistance after an Extended Stoppage
91
Decommissioning the Machine
92
Re-Commissioning the Machine
92
Faults
92
Inspections in the Event of Faults
92
Electrical Faults
93
Mechanical Faults
94
Roller Bearing Faults
95
9 Maintenance
97
Inspection and Maintenance
97
Safety Instructions for Inspection and Maintenance
97
Measurement of the Insulation Resistance and Polarization Index in the Context of Maintenance Work
98
Inspections in the Event of Faults
99
First Inspection after Installation or Repair
99
General Inspection
100
Servicing the Roller Bearings
100
Servicing and Maintaining the Anti-Condensation Heating
100
Regreasing Intervals and Types of Grease for Operating Roller Bearings
101
Sealing the Rolling-Contact Bearings ("Increased Degree of Protection" Option)
104
Keeping the Cooling Air Flow Clean
105
Touch up any Damaged Paintwork
105
Maintaining Terminal Boxes
105
Corrective Maintenance
106
Prepare Servicing Work
106
Seal the Motor
107
Fan Cowl
107
External Fan Made of Metal
108
External Fan Made of Plastic
109
Internal Fan
109
Roller-Contact Bearings
110
Uninstalling Roller-Contact Bearings
110
Remove V Ring
111
Removing the Labyrinth Sealing Ring
111
Assembling the Rolling-Contact Bearings
112
Install the V Ring
113
Installing the V Ring ("Increased Degree of Protection" Option)
114
Installing the Labyrinth Sealing Ring
115
Image 9-7 Position the Set Screws for the Labyrinth Sealing Ring on the Outer Bearing Cover
116
10 Spare Parts
117
Ordering Data
117
Using Commercially Available Spare Parts
117
Ordering Spare Parts Via the Internet
117
Anti-Condensation Heating
118
Stator and Rotor
119
Ventilation
120
Drive End Rolling-Contact Bearings with Bearing Housing
121
Drive End Rolling-Contact Bearings Without Bearing Housing
122
Roller Bearings, de - End Shield with Integrated Bearing Cover
123
Non-Drive End Rolling-Contact Bearings with Bearing Housing
124
Non-Drive End Rolling-Contact Bearings Without Bearing Housing
125
Roller Bearings, NDE - End Shield with Integrated Bearing Cover
126
Terminal Box GT640
127
Terminal Box 1XB1621
128
Table 10-11 Additional Spare Parts
129
Terminal Box 1XB1631
130
Terminal Box 1XB1634
131
Terminal Box 1XB9600
133
11 Disposal
135
Rohs - Restricting the Use of Certain Hazardous Substances
135
Dismantling the Machine
135
Disposal of Components
136
Service and Support
137
Technical Data
139
Tightening Torques for Screw and Bolt Connections
139
Quality Documents
141
Index
143
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