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CPI 0102324500rR - User Manual

CPI 0102324500rR
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INSTALLATION, OPERATION, AND
PREVENTATIVE MAINTENANCE
MANUAL
CHPA (COMPACT HIGH POWER AMPLIFIER)
0102324500rR
For Use With Model Numbers...
VZU-6997 Series
VZU-6996 Series
VZU-6995 Series
VZC-6967 Series
Service Center Headquarters and Design Center
West Coast Operations
811 Hansen Way
Palo Alto, CA 94303
Manufacturing
East Coast Operations
45 River Drive
Georgetown, ON
Canada L7G 2J4
THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS & POWER INDUSTRIES.
REPRODUCTION
OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED

Table of Contents

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Summary

Chapter 1 Introduction

1.1 Overview

Provides a brief overview of the CHPA series, its applications, and power capabilities.

1.2 About This Manual

Explains the manual's structure, content, and intended audience for CHPA installation and maintenance.

1.3 Major Subsystems and Their Functions

Details the CHPA's physical dimensions, weight, and major internal subsystems.

1.4 Technical Description

Provides a detailed breakdown of the CHPA's technical aspects, including RF subsystem.

1.5 LRU Philosophy

Explains the Line Replaceable Unit (LRU) maintenance concept for field serviceability.

1.6 Optional Features

Lists and briefly describes optional features available for the CHPA.

Chapter 2 Unpacking and Installation

2.1 Overview

Introduces site preparation, unpacking, and installation procedures for the CHPA.

2.2 Pre-Inspection

Details the process of inspecting the equipment for shipping damage and reporting it.

2.3 Unpacking

Provides instructions for carefully unpacking the CHPA, saving packing materials, and verifying contents.

2.4 Preparing for Installation

Outlines essential pre-installation checks including terminations, interface connectors, and prime power.

2.5 Installation

Describes the four phases of CHPA installation: mechanical, electrical, RF connections, and cooling.

Chapter 3 Interfaces

3.1 Overview

Introduces the various interfaces available for connecting external devices to the CHPA.

3.2 CHPA Control Mode Hierarchy

Explains the priority and flow of control between different interface points.

3.3 Serial Remote Interface

Details the serial remote interface for control panel or computer communication.

3.4 RF Switch System Interface

Describes the interface for switch system controllers, status relays, and RF inhibit commands.

3.5 External Interlocks Interface

Explains the interface for connecting external safety interlocks and RF inhibit signals.

3.6 Computer Interface

Covers the computer interface (CIF) for control and monitoring via RS-232/422/485.

3.7 Computer Interface (CIF) Protocol

Details the ASCII packet structure and commands for the CIF protocol.

3.8 Protocol Message Structure

Outlines the packet structure of the CIF protocol, including header, address, command, and data bytes.

3.9 Command and Response Format

Describes the format for commands sent to and responses received from the CHPA via CIF.

3.10 Commands

Lists and explains the different types of commands (Query, CHPA, Slow, Interface) for CHPA control.

3.11 Status Byte Definitions

Defines the meaning of various status bytes returned by query commands.

3.12 ID;Version Message

Explains the format of the ID/Version message returned by the CHPA.

Chapter 4 Initial Power On and Checkout

4.1 Overview

Introduces procedures for first-time power-on, initial checkout, and serial port setup.

4.2 Pre-Power Procedures

Lists essential checks before applying AC power, including voltage, grounding, and connections.

4.3 Using the Front Panel

Describes how to use the front panel for initial power-on, checkout, and basic configuration.

4.4 Initial Power-On Procedures

Outlines the sequence for initial power-on, including self-tests and heater time delay countdown.

4.5 Verifying Operational Settings

Explains how to check and set user-configurable operational parameters.

4.6 Setting the Fault and Alarm Trip Points

Details how to display and change fault and alarm trip point settings for safety and operation.

4.7 Setting Serial Remote and CIF Port Parameters

Describes how to configure serial port parameters for Remote and CIF interfaces.

4.8 Verifying RF Output Level

Provides steps to verify the RF output level after initial setup.

4.9 Verifying RF Alarm and RF Fault Trip Points

Details how to verify the proper functioning of RF alarm and fault trip point settings.

4.10 Testing the CHPA via Computer Control

Outlines the procedure for testing CHPA control and monitoring via a computer.

4.11 Testing Optional Equipment

Covers testing of optional equipment like the remote control panel.

Chapter 5 Operation

5.1 Overview

Introduces CHPA operation via control panel and computer interface.

5.2 Essential CHPA Operating Procedures

Provides step-by-step instructions for essential CHPA operations like transmitting.

5.3 Normal Shutoff

Details the procedure for safely shutting down the CHPA when transmission is complete.

5.4 Basic CHPA Operation

Describes basic CHPA operation using front panel buttons for states, control, and RF modes.

5.5 CHPA States and Description

Explains the different operating states and sequences of the CHPA.

5.6 Initialization and Power-On Self-Test (POST) State

Describes the initialization and POST process of the CHPA upon power-on.

5.7 Heater Time Delay (HTD) State

Explains the HTD state, its purpose, and countdown timer.

5.8 Standby State

Describes the Standby state, including heater voltage reduction for tube longevity.

5.9 Transmit State

Details the Transmit state, including beam on sequence and RF output display.

5.10 Fault State

Explains the Fault state, Auto Fault Recycle mode, and fault handling.

5.11 CHPA Control Modes and Hierarchy

Lists the CHPA control points (Local, Remote, Computer) and their hierarchy.

5.12 RF Control Modes

Describes the two RF control modes: ALC and Open Loop.

5.13 Special CHPA Functions

Explains how features are grouped into menu categories for user access.

5.14 Terminology

Defines the hierarchical structure of categories, functions, and entries in the CHPA menus.

5.15 Exiting a Menu

Describes how to return from menu categories to the meter display.

5.17 Quick Access Codes

Explains Quick Access Codes for rapid access to CHPA features and functions.

Chapter 6 Preventative Maintenance

6.1 Overview

Covers maintenance, performance testing, calibration, and troubleshooting procedures.

6.2 Scheduled Preventive Maintenance

Outlines periodic maintenance tasks for safety, effectiveness, and logging.

6.3 Mechanical Preventive Maintenance

Details mechanical inspection and cleaning tasks for the CHPA.

6.4 Visual Inspection

Describes visual inspection procedures for physical defects, LEDs, air filters, and cleaning.

6.5 Electrical Preventive Maintenance

Covers verification and adjustment of operating voltages and metering accuracy.

6.6 Spare TWT Maintenance and Periodic Operation of the Amplifier

Provides procedures for conditioning spare TWTs and periodic amplifier operation.

6.7 Performance Testing

Details tests for power, gain, gain response, and radiation levels at six-month intervals.

6.8 Power and Gain

Provides steps to test the HPA's power and gain, recording results.

Chapter 7 Drawings and Schematics

Appendix A Warranty and Support Information

Appendix B Control Appearance and Content

B.1 Overview

Introduces the chapter covering control keys, indicators, and display items on the HPA.

B.2 Front Panel Controls

Details buttons, LEDs, beeper, and alphanumeric display for front panel interaction.

B.3 Meters and Status Displays

Covers meters, fault messages, alarms, and status screens for monitoring.

B.4 Control Menu and Operation

Explains menu navigation, data entry, RF control, and linearizer settings.

B.5 Configuration and Maintenance

Covers RF trip limits, fault log, access codes, system settings, and interface parameters.

B.6 System Information and Troubleshooting

Details software versions, elapsed hours, quick access codes, POST faults, and error messages.

Appendix C Replaceable Parts

Appendix D Options and Features

Appendix E Optional L-Band BUC

E.1 Overview

Introduces the L-Band RF input signal conversion by the Block Up-Converter (BUC).

E.2 General Operation

Explains BUC operation, FLO references, and potential issues.

CPI 0102324500rR Specifications

General IconGeneral
BrandCPI
Model0102324500rR
CategoryAmplifier
LanguageEnglish

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