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Siemens 1LA8 User Manual
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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
10.14 Terminal box 1XB1634
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017
143
142
144
Table of Contents
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
16
Qualified Personnel
16
Safe Handling
16
For Use in Hazardous Zone 2 or Zone 22
18
Electrostatic Sensitive Devices
19
Processes that Generate High Levels of Electrostatic Charge
20
Interference Immunity
21
Influence on the Line Power Supply through a Strongly Irregular Torque
21
Interference Voltages When Operating the Converter
21
Electromagnetic Fields When Operating Electrical Power Engineering Installations
21
3 Description
23
Table 3-1 Machine Design
23
Table 3-2 Machine Design with Type of Protection Ex Na or Ex Ec
24
Table 3-3 Data on the Rating Plate
26
Table 3-4 Rolling-Contact Bearing Variants
28
Table 3-5 Assignment of Shaft Heights to Terminal Boxes
29
4 Preparations for Use
31
Safety-Related Aspects to Consider When Configuring the Plant
31
Observing the Operating Mode
31
Ensuring Cooling
31
Thermal Motor Protection
31
Interlock Circuit for Anti-Condensation Heating (Option)
32
Support Base for IM B5 Construction Type
32
Noise Emissions
33
Rotational Speed Limit Values
33
Complying with Speed-Torque Curve
34
Phase Synchronization During Supply System Switching
34
Space Requirements
34
Voltage and Frequency Fluctuations During Line Operation
34
Table 4-1 Minimum Dimensions for Air Intake
34
System-Inherent Frequencies
35
Torsional Loading of the Drive Train Due to Faults in the Electrical Supply
35
Transport and Storage
36
Transport Markings
36
Checking the Delivery
36
Lifting and Transportation
36
Securing the Rotor
38
Figure 4-1 Axial Fastening of the Rotor
39
Transporting the Machine Set
40
Storage
40
Protection against Corrosion
43
Converter Operation
43
Converter Operation of Explosion-Proof Machines
44
Supply Line Configuration
44
Converter Input Voltage
45
Reducing Bearing Currents
45
Converter Operation on a Grounded Network
47
Insulated Bearings When Operating the Converter
47
5 Assembly
49
Preparations for Installation
50
Requirements for Installation
50
Insulation Resistance and Polarization Index
50
Testing the Insulation Resistance and Polarization Index
51
Table 5-1 Stator Winding Insulation Resistance at 40° C
52
Preparing the Mating Faces
53
Lift the Machine to Where It will be Installed, and Position It
54
Preconditions for Correct Alignment and Secure Attachment
54
Checking the Load Handling Attachments
54
Removing the Rotor Shipping Brace
54
Removing the Rotor Shipping Brace from Machines with Vertical Type of Construction
55
Removing Anti-Corrosion Protection
55
Mounting the Output Elements
56
Lifting and Transporting the Machine
57
Draining Condensation
59
Putting the Machine down
60
Roughly Aligning the Machine
60
Installing the Machine
61
Safety Instructions for Installation
61
Selecting Fixing Screws
61
Preconditions for Smooth, Vibration-Free Operation
62
Aligning the Machine to the Driven Machine and Attaching It to It (IM B3 / IM B35)
62
Table 5-2 Permissible Deviations for Aligning the Machine with Flexible Coupling
63
Figure 5-3 Schematic Diagram: Aligning the Machine to the Driven Machine
63
Aligning the Machine to the Driven Machine and Attaching It to It (IM B5)
64
Aligning the Machine to the Driven Machine and Attaching It to It (IM V1, IM V10)
65
Axial and Radial Forces
65
6 Electrical Connection
67
Basic Rules
68
Terminal Box
68
Terminal Box 1XB1621
69
Terminal Box 1XB1631
70
Terminal Box 1XB1634
71
Preparation
71
Checking Winding Connections
71
Terminal Designation
72
Selecting Cables
72
Connecting the Grounding Conductor
72
Table 6-1 Terminal Designations Using the 1U1-1 as an Example
72
Table 6-2 Determining the Cross-Section of the Grounding Conductor
72
Connect Metal Shield in the Terminal Box
73
Radio-Frequency Grounding for Converter Operation
73
Connection Without Terminal Box
74
Connecting the Machine for a Specific Direction of Rotation
75
Introducing and Routing the Cables
75
Inserting the Cable into the 1XB16
75
Certified Cable Entries, Thread Adapters and Sealing Plugs
76
Inserting the Cable into the 1XB
77
Laying Cables
78
Connecting Cables with Cable Lugs
78
Connection Without Cable Lugs
79
Figure 6-8 Connection Using Terminal Clamps (Schematic Diagram)
80
Use of Aluminum Conductors
81
Using Single-Stranded Cables
82
Internal Equipotential Bonding
82
Stepless Mating Face for Sealing in the Terminal Box Cover (Not for GT640)
82
Minimum Air Clearances
83
Finishing Connection Work
83
Connecting the Auxiliary Circuits
83
Selecting Cables
83
Bringing Cables into the Auxiliary Terminal Box and Routing Them
84
Connect Metal Shield in the Terminal Box
85
Intrinsically Safe Circuits for Sensors or Probes
85
Connecting Temperature Monitoring for the Stator Winding
85
Terminating the Connection Work (Auxiliary Circuit)
86
7 Start-Up
87
Checks to be Carried out Prior to Commissioning
87
Converter Operation
88
Operation on a Converter with a Low Pulse Frequency
89
Measuring the Insulation Resistance before Commissioning
89
Greasing the Roller Bearings Prior to Commissioning
90
Setpoint Values for Monitoring the Bearing Temperature
91
Set Values for Monitoring the Winding Temperature
91
Test Run
92
De-Energizing
93
8 Operation
95
Safety Guidelines in Operation
95
Operation in Hazardous Areas
96
Switching off the Anti-Condensation Heating
97
Switching on the Machine
98
Regreasing Roller Bearings
98
Switching on Again after an Emergency Switching-Off
98
Stoppages
98
Avoidance of Condensation or Formation of Condensation Within the Machine
99
Avoidance of Damage to Roller Bearings During Stoppages
99
Shaft Grounding Brushes (Option)
100
Measurement of the Insulation Resistance after an Extended Stoppage
100
Decommissioning the Machine
101
Re-Commissioning the Machine
101
Faults
101
Inspections in the Event of Faults
101
Electrical Faults
102
Mechanical Faults
103
Roller Bearing Faults
104
9 Maintenance
105
Inspection and Maintenance
105
Safety Instructions for Inspection and Maintenance
105
Measurement of the Insulation Resistance and Polarization Index in the Context of Maintenance Work
107
Inspections in the Event of Faults
107
First Inspection after Installation or Repair
108
General Inspection
108
Servicing the Roller Bearings
109
Servicing and Maintaining the Anti-Condensation Heating
109
Regreasing Intervals and Types of Grease for Operating Roller Bearings
109
Table 9-3 Criteria for Selecting Roller Bearing Greases
110
Sealing the Rolling-Contact Bearings ("Increased Degree of Protection" Option)
113
Keeping the Cooling Air Flow Clean
114
Touch up any Damaged Paintwork
114
Repainting
114
Maintaining Terminal Boxes
115
Corrective Maintenance
116
Prepare Servicing Work
116
Seal the Motor
117
Screws with Precote Coating
118
Fan Cowl
118
External Fan Made of Metal
119
External Fan Made of Plastic
120
Internal Fan
121
Roller-Contact Bearings
122
Uninstalling Roller-Contact Bearings
122
Remove V Ring
123
Removing the Labyrinth Sealing Ring
123
Assembling the Rolling-Contact Bearings
124
Install the V Ring
125
Installing the V Ring ("Increased Degree of Protection" Option)
126
Installing the Labyrinth Sealing Ring
127
Figure 9-7 Position the Set Screws for the Labyrinth Sealing Ring on the Outer Bearing Cover
128
10 Spare Parts
129
Ordering Data
129
Ordering Spare Parts Via the Internet
129
Anti-Condensation Heating
130
Stator and Rotor
131
Ventilation
132
Drive End Rolling-Contact Bearings with Bearing Housing
133
Drive End Rolling-Contact Bearings Without Bearing Housing
134
Roller Bearings, de - End Shield with Integrated Bearing Cover
135
Non-Drive End Rolling-Contact Bearings with Bearing Housing
136
Non-Drive End Rolling-Contact Bearings Without Bearing Housing
137
Roller Bearings, NDE - End Shield with Integrated Bearing Cover
138
Terminal Box 1XB1621
139
1XB1631 Terminal Box
140
Table 10-11 Additional Spare Parts for Terminal Box 1XB1631 with Split Cable Entry
141
Terminal Box 1XB1634
142
11 Disposal
145
Rohs - Restricting the Use of Certain Hazardous Substances
145
Preparing for Disassembly
145
Dismantling the Machine
146
Disposal of Components
146
Service and Support
149
Technical Data
151
Tightening Torques for Screw and Bolt Connections
151
Quality Documents
153
Index
155
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148 pages
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Siemens 1LA8 Specifications
General
Brand
Siemens
Model
1LA8
Category
Engine
Language
English
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