CPI VZC-6967AM Owner's manual

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REPRODUCTION OR RELEASEWITHOUTEXPRESS PERMISSION IS STRICTLY PROHIBITED
INSTALLATION, OPERATION, AND
PREVENTATIVE MAINTENANCE
MANUAL
CHPA (COMPACT HIGH POWER AMPLIFIER)
For Use With Model Numbers...
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
VZC – 6967AT
VZC – 6967AN
VZC – 6967AM
VZC – 6967AD
VZC – 6967AB
VZC – 6967AG
VZC – 6967AJ
VZC – 6967AH
VZU – 6997AC
VZU – 6997AB
VZU – 6996AB
VZU – 6996AC
VZU – 6997AE
VZU – 6997AG
VZU – 6995AY
VZU – 6997AA
VZU – 6997AD
VZU – 6997AJ
VZU – 6996AY
VZU – 6997CY
VZU – 6997AX
VZU – 6997AY

CHPA SERIES
ii THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS &POWER INDUSTRIES.
REPRODUCTION OR RELEASEWITHOUTEXPRESS PERMISSION IS STRICTLY PROHIBITED DOC.01023245 REV.K
PROPRIETARY INFORMATION
The design and other information contained in this document are provided solely for the
installation, operation, and maintenance of CPI equipment. Except for rights expressly granted
by contract, all such information is the exclusive property of CPI, Satcom Division. This
document may not be duplicated, in whole or in part, or be used for manufacture without
written permission of CPI, Satcom Division.
Copyright ©2009 by Communications & Power Industries, Inc. All rights reserved.

CHPA SERIES
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Table of Contents
SAFETY................................................................................................................................................... S-1
INTRODUCTION................................................................................................................................... S-1
HIGH VOLTAGE EQUIPMENT......................................................................................................... S-1
PERSONNEL OPERATING GUIDELINES ....................................................................................... S-1
WHEN IS VOLTAGE "HIGH"?.......................................................................................................... S-1
GENERAL GUIDELINES................................................................................................................... S-2
MICROWAVE RADIATION................................................................................................................ S-4
PERSONNEL OPERATING GUIDELINES ....................................................................................... S-4
MICROWAVE DISCUSSION............................................................................................................. S-5
GENERAL MICROWAVE GUIDELINES......................................................................................... S-5
PHYSICAL SAFETY........................................................................................................................... S-6
LIFTING HEAVY OBJECTS..............................................................................................................S-6
EXTENDING RACK SLIDES.............................................................................................................S-6
CHAPTER 1 INTRODUCTION............................................................................................................1-1
1.1 OVERVIEW.................................................................................................................................1-1
1.2 ABOUT THIS MANUAL............................................................................................................1-3
1.3 MAJOR SUBSYSTEMS AND THEIR FUNCTIONS..............................................................1-4
1.4 TECHNICAL DESCRIPTION...................................................................................................1-4
1.4.1 RF SUBSYSTEM..................................................................................................................1-4
1.4.2 POWER SUPPLY SUBSYSTEM .........................................................................................1-6
1.4.3 POWER FACTOR CORRECTION MODULE ....................................................................1-7
1.4.4 POWER PROCESSOR MODULE........................................................................................1-7
1.4.5 HIGH-VOLTAGE MODULE ...............................................................................................1-7
1.4.6 RF POWER MONITOR MODULE......................................................................................1-7
1.4.7 CONTROL AND DISPLAY MODULES.............................................................................1-8
1.5 LRU PHILOSOPHY ...................................................................................................................1-8
1.6 OPTIONAL FEATURES............................................................................................................1-9
CHAPTER 2 UNPACKING AND INSTALLATION..........................................................................2-1

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2.1 OVERVIEW.................................................................................................................................2-1
2.2 PRE-INSPECTION .....................................................................................................................2-1
2.3 UNPACKING...............................................................................................................................2-1
2.4 PREPARING FOR INSTALLATION.......................................................................................2-2
2.5 INSTALLATION.........................................................................................................................2-2
2.5.1 MECHANICAL INSTALLATION.......................................................................................2-2
2.5.2 ELECTRICAL CONNECTIONS..........................................................................................2-3
2.5.3 PRIME POWER ....................................................................................................................2-3
2.5.4 GROUNDING .......................................................................................................................2-4
2.5.5 I/O INTERFACES.................................................................................................................2-4
2.5.6 RF CONNECTIONS .............................................................................................................2-4
2.5.7 RF OUTPUT (WAVEGUIDE CONNECTION)(J3).............................................................2-5
2.5.8 COOLING CONSIDERATIONS..........................................................................................2-5
CHAPTER 3 INTERFACES ..................................................................................................................3-1
3.1 OVERVIEW.................................................................................................................................3-1
3.2 CHPA CONTROL MODE HIERARCHY................................................................................3-1
3.3 SERIAL REMOTE INTERFACE .............................................................................................3-2
3.4 RF SWITCH SYSTEM INTERFACE.......................................................................................3-4
3.4.1 RELAY DEFINITIONS ........................................................................................................3-4
3.5 EXTERNAL INTERLOCKS INTERFACE .............................................................................3-6
3.6 COMPUTER INTERFACE........................................................................................................3-8
3.6.1 CIF HARDWARE CONFIGURATION ...............................................................................3-8
3.7 COMPUTER INTERFACE (CIF) PROTOCOL .....................................................................3-9
3.8 PROTOCOL MESSAGE STRUCTURE...................................................................................3-9
3.9 COMMAND AND RESPONSE FORMAT.............................................................................3-10
3.9.1 HEADER AND ENDING BYTES......................................................................................3-10
3.9.2 ADDRESS BYTE................................................................................................................3-11
3.9.3 COMMAND BYTE.............................................................................................................3-11
3.9.4 RESPONSE BYTE(S) .........................................................................................................3-11

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3.9.5 REJECT BYTE(S)...............................................................................................................3-11
3.9.6 CHECK BYTE.....................................................................................................................3-12
3.9.7 CARRIAGE RETURNS AND LINE FEEDS.....................................................................3-13
3.10 COMMANDS.............................................................................................................................3-13
3.10.1 SLOW COMMANDS..........................................................................................................3-16
3.11 STATUS BYTE DEFINITIONS...............................................................................................3-17
3.12 ID/VERSION MESSAGE .........................................................................................................3-21
CHAPTER 4 INITIAL POWER ON AND CHECKOUT ...................................................................4-1
4.1 OVERVIEW.................................................................................................................................4-1
4.2 PRE-POWER PROCEDURES...................................................................................................4-1
4.3 USING THE FRONT PANEL....................................................................................................4-2
4.4 INITIAL POWER-ON PROCEDURES....................................................................................4-3
4.4.1 POWER-ON SELF-TEST AND HEATER TIME DELAY..................................................4-3
4.5 VERIFYING OPERATIONAL SETTINGS.............................................................................4-4
4.6 SETTING THE FAULT AND ALARM TRIP POINTS..........................................................4-4
4.7 SETTING SERIAL REMOTE AND CIF PORT PARAMETERS.........................................4-6
4.8 VERIFYING RF OUTPUT LEVEL ..........................................................................................4-7
4.9 VERIFYING RF ALARM AND RF FAULT TRIP POINTS..................................................4-8
4.10 TESTING THE CHPA VIA COMPUTER CONTROL ..........................................................4-9
4.11 TESTING OPTIONAL EQUIPMENT......................................................................................4-9
4.11.1 REMOTE CONTROL INTERFACE ....................................................................................4-9
CHAPTER 5 OPERATION....................................................................................................................5-1
5.1 OVERVIEW.................................................................................................................................5-1
5.2 ESSENTIAL CHPA OPERATING PROCEDURES...............................................................5-2
5.2.1 TRANSMIT...........................................................................................................................5-2
5.3 NORMAL SHUTOFF .................................................................................................................5-3
5.4 BASIC CHPA OPERATION......................................................................................................5-3