Nautel ATU-HP Manuals

Manuals and User Guides for Nautel ATU-HP. We have 2 Nautel ATU-HP manuals available for free PDF download: Technical Instruction Manual, Tuning Procedure

Nautel ATU-HP Technical Instruction Manual (107 pages)

Automatic Antenna Tuning Unit

Brand: Nautel | Category: Antenna | Size: 1.56 MB

Table of Contents
7
1 General Information

15
- Introduction
  15
  - Factory Support
    15
  - Mechanical Description
    15
  - Purpose and Scope of Manual
    15
  - Purpose of Equipment
    15
  - Technical Summary
    16
  - Test Equipment and Special Tools
    16
Recommended Site Test Equipment and Special Tools

17
- 2 Preparation for Use and Installation
  
  19
- Introduction
  19
- Mounting Considerations
  19
  - Environmental Considerations
    19
    
    Antenna Structure
    19
    
    Proximity to Transmitter
    19
- Preparation for Use
  19
Typical Site Layout

20
Examples of Typical Installations (Sheet 1 of 2)

21
Examples of Typical Installations (Sheet 2 of 2)

22
- Customer Required Interfacing
  23
- RF Output Feed Cable
  23
  - Remote Control/Monitor Wiring
    23
  - RF Input Cable
    23
  - Ac Power Cable
    23
  - Ground Connection
    23
- Pre-Startup User Determined Information
  24
  - Carrier Frequency
    24
  - Antenna Capacitance
    24
ATU-HP Automatic Antenna Tuning Unit

25
- Available Options
  25
  - Solar Shield
    25
    
    Frequency Agile Capacitor Kit
    25
    
    Series Resistor
    25
    
    Unpacking
    25
- Parts Supplied by Nautel
  25
- Test Equipment
  25
Initial RF Wiring Connections

30
ATU Control/Monitor PWB - Pushbutton Switches and Leds

30
Flow Diagram – Loading Coil Tuning

31
Post-Inductive Tuning RF Wiring Connections

32
Flow Diagram – Determining Antenna Resistance

33
T1 Matching Transformer 50 Ohm Connections

34
Determining 'R Match'

35
Variometer Positioning Within Loading Coil L1A

36
Variable Matching Transformer

37
Peak Antenna Voltage Versus Spark Gap Setting

44
- A Flow Diagram – Adding Antenna Series Resistance (DGPS)
  47
- B Flow Diagram – Adding Antenna Series Resistance (NDB)
  48
T2 Taps Vs Series Resistance

49
ATU-HP – Dimensional Information and Mounting Options

51
- 3 Operating Instructions
  
  52
- Introduction
  52
  - Emergency Shutdown
    52
  - Controls and Indicators
    52
Part of ATU Control/Monitor PWB A1 (NAPC144A/01)

53
ATU Control/Monitor PWB Controls and Indicators

54
- 4 Testing and Adjustment
  
  58
  - Functional Tests
    58
  - General
    58
  - Initial Settings
    58
  - Introduction
    58
  - Operating Precautions
    58
  - Inductive Tuning Motor
    59
  - Manual Check of Tuning Drive
    59
  - Resistive Tuning Motor
    59
    
    Initial Check of RF Tuning and Automatic Operation
    60
    
    Final Tuning of RF Circuits
    61
    
    Antenna Current Meter Calibration
    62
    
    Checking Hardware
    64
    
    Cleaning the ATU-HP
    64
    
    Corrective Maintenance
    64
    
    General
    64
    
    Scheduled Maintenance
    64
    
    Checking/Replacing the Inductive Tuning Motor
    65
    
    Replacing a Failed Fan
    65
    
    Checking/Replacing the Resistive Tuning Motor
    66
    
    ATU Control PWB
    68
    
    Forward/Reflected Power Probe
    71
    
    Power Supplies
    71
    
    Servo Probe
    71
    
    Antenna Current Probe
    72
    
    Current/Voltage Samples
    72
    
    Microcontroller Control
    72
- 6 Theory of Operation
  
  68
  - Antenna Tuning Unit Overview
    68
  - Introduction
    68
  - Analog Inputs
    72
  - Digital Inputs
    73
  - Digital Outputs
    74
    
    Motor Limit Control
    75
    
    Serial Communications (RS485)
    75
- 7 Parts Information
  
  77
  - Column Content Explanation
    77
  - Description Column
    77
    
    Nautel # Column
    77
    
    Vendor # Column
    77
    
    Common Abbreviations/Acronyms
    78
    
    Manufacturer's Index
    78
    
    OEM Code Column
    78
    
    Oem Code to Manufacturer Cross-Reference
    78
  - Introduction
    77
  - Ref des Column
    77
  - Reference Designations Lists
    77
Manufacturer's Index

79
Wiring List - ATU-HP Automatic Antenna Tuning Unit

97
- Wiring Lists Not Provided
  97
- 8 Wiring Information
  
  97
  - Introduction
    97
  - Printed Wiring Patterns
    97
  - Wire Colors
    97
- Wiring Lists Provided
  
  97
Electrical Schematics

99
- Structure of Schematics
  100
- Locating the Schematic Diagram(S)
  100
- Locating a Part/Assembly Identified on a Schematic
  100
- Reference Designations
  99
  - Unique Symbology
    99
- Type of Inputs/Outputs
  99
  - Identification of Schematic Diagrams
    99
Electrical Schematic - ATU-HP Automatic Antenna Tuning Unit (NAT40A

100
Electrical Schematic - ATU Control/Monitor PWB (NAPC144A/01) (Sheet 1

100
(Sheet 2

103
10 Mechanical Drawings

104
- Locating Assembly Detail Drawings
  104
- Content of Mechanical Drawings
  104
Assembly Detail -ATU-HP Automatic Antenna Tuning Unit (NAT40A

104
Assembly Detail - ATU Control/Monitor PWB (NAPC144A/01

104

Nautel ATU-HP Tuning Procedure (4 pages)

Brand: Nautel | Category: Industrial Equipment | Size: 0.23 MB

Nautel Categories

Transmitter Recording Equipment Antenna Industrial Equipment Security System

More Nautel Manuals

Nautel ATU-HP Manuals

Nautel ATU-HP Technical Instruction Manual (107 pages)

Table of Contents

1 General Information

Recommended Site Test Equipment and Special Tools

2 Preparation for Use and Installation

Typical Site Layout

Examples of Typical Installations (Sheet 1 of 2)

Examples of Typical Installations (Sheet 2 of 2)

ATU-HP Automatic Antenna Tuning Unit

Initial RF Wiring Connections

ATU Control/Monitor PWB - Pushbutton Switches and Leds

Flow Diagram – Loading Coil Tuning

Post-Inductive Tuning RF Wiring Connections

Flow Diagram – Determining Antenna Resistance

T1 Matching Transformer 50 Ohm Connections

Determining 'R Match'

Variometer Positioning Within Loading Coil L1A

Variable Matching Transformer

Peak Antenna Voltage Versus Spark Gap Setting

T2 Taps Vs Series Resistance

ATU-HP – Dimensional Information and Mounting Options

3 Operating Instructions

Part of ATU Control/Monitor PWB A1 (NAPC144A/01)

ATU Control/Monitor PWB Controls and Indicators

4 Testing and Adjustment

6 Theory of Operation

7 Parts Information

Manufacturer's Index

Wiring List - ATU-HP Automatic Antenna Tuning Unit

8 Wiring Information

Wiring Lists Provided

Electrical Schematics

Electrical Schematic - ATU-HP Automatic Antenna Tuning Unit (NAT40A

Electrical Schematic - ATU Control/Monitor PWB (NAPC144A/01) (Sheet 1

(Sheet 2

10 Mechanical Drawings

Assembly Detail -ATU-HP Automatic Antenna Tuning Unit (NAT40A

Assembly Detail - ATU Control/Monitor PWB (NAPC144A/01

Nautel ATU-HP Tuning Procedure (4 pages)

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