Comtech-ef-data HPCST-5000 User Manual Page 138
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Controller for Single Thread Systems High-Power TWTA Satellite Terminals
5–10 Rev. 1
5.2.3 Clearing a Fault
If the Summary Fault indicator lights up when the HV ON/OFF switch is set to ON
(Beam Select ON), try to clear the fault.
The procedures for clearing a fault in the LOCAL and REMOTE control configurations
are described in the following paragraphs.
5.2.3.1 Clearing a Fault-LOCAL Control Configuration
To clear a fault when the HV ON/OFF switch is set to ON:
1. Momentarily press the HV ON/OFF switch to OFF.
2. Momentarily press the HV ON/OFF switch to ON.
If the fault persists, repair and service may be required. If necessary, contact the EFData
Customer Support Department.
5.2.3.2 Clearing a Fault-REMOTE Control Configuration
To clear a fault when “Beam Select On” has been selected from the remote controller:
1. Momentarily connect the Beam Select OFF line (J1 Pin 3) to J1 Pin 4 (or press
the equivalent momentary switch to the OFF position).
2. Momentarily connect the Beam Select ON line (J1 Pin 2) to J1 Pin 4 (or press
the equivalent momentary switch to the ON position).
Additionally, a fault can be cleared with the FAULT RESET command:
1. Momentarily connect J1 Pin 6 to J1 Pin 4.
If the fault persists, repair and service may be required. If necessary, contact the EFData
Customer Support Department.
- Part Number MN/TWTA.I0M 1
- Revision 1 1
- All rights reserved 3
- Printed in the USA 3
- Warranty Policy 4
- Limitations of Warranty 4
- Exclusive Remedies 4
- Disclaimer 4
- About this Manual 5
- Cautions and Warnings 5
- Trademarks 5
- Related Documents 6
- Metric Conversions 6
- Overview of Previous Editions 6
- Customer Support 7
- Table of Contents 9
- Rev. 1 vii 11
- Rev. 1 ix 13
- Rev. 1 xi 15
- Chapter 1 17
- INTRODUCTION 17
- 1.1 Introduction 18
- 1–4 Rev. 1 20
- Diagram (Typical) 21
- 1.2 Component Descriptions 22
- 1.2.3 TWTA Models 23
- 1–8 Rev. 1 24
- Rev. 1 1–9 25
- 1.2.4.1 HPC-1200 26
- 1:1 CONTROLLER 27
- 1–12 Rev. 1 28
- 1.3 Equipment List 29
- Rev. 1 1-15 31
- 1.4 Specifications 33
- 1.4.1 System Interface 33
- 1.3.2 Prime Power 34
- 1.4.3 Performance 35
- 1.4.3.1 Receive 35
- 1.4.3.2 Transmit 37
- 1.4.4 Environment 41
- 1.4.5 Monitor and Control 42
- 1-28 Rev. 1 44
- Rev. 1 1-29 45
- 1-30 Rev. 1 46
- Chapter 2 47
- SINGLE THREAD SYSTEM 47
- INSTALLATION 47
- 2.1 Unpacking 48
- 2.2 Inspecting the Equipment 49
- 2.2.1 Included Parts 49
- 2.3 TWTA Installation 53
- 2.3.1 Tools Required 54
- 2.3.2.1 Round Pole 55
- 2–10 Rev.1 56
- Rev.1 2–11 57
- 2–12 Rev.1 58
- 2.3.2.2 Square Pole 59
- 2.3.3 Spar Installation 60
- Rev.1 2–15 61
- 2.3.4 External Connections 62
- Rev.1 2–17 63
- • External Voltage Circuit 65
- 2.3.4.1.1 Control Interfaces 66
- Rev.1 2–21 67
- 2–22 Rev.1 68
- Rev.1 2–23 69
- 2–24 Rev.1 70
- 2.3.4.2.1 Prime Power 71
- 2.3.4.3 RF TX Input (J3) 72
- 2.3.4.4 RF TX Sample (J4) 73
- 2.3.4.5 RF Output (J5) 73
- 2.3.4.6 Waveguide 73
- 2–28 Rev.1 74
- Rev.1 2–29 75
- 2.4 HPC-1200 Installation 76
- 2.4.1 Mechanical 76
- ODU MONITOR & CONTROL 77
- REMOTE INTERFACE 77
- 2.4.2.1.1 Control Interfaces 79
- 2–34 Rev.1 80
- Rev.1 2–35 81
- 2.4.2.3 Prime Power 83
- 2–38 Rev.1 84
- Chapter 3 85
- REDUNDANT SYSTEM 85
- 3.1 Unpacking 86
- 3.2 Inspecting the Equipment 87
- 3.2.1 Included Parts 87
- 3.3 TWTA Installation 93
- 3.3.1 Tools Required 94
- 3.3.2.1 Round Pole 95
- 3–12 Rev 1 96
- Rev. 1 3–13 97
- 3.3.2.2 Square Pole 98
- 3.3.3 Spar Mount 98
- 3.3.4 External Connections 99
- 3–16 Rev 1 100
- Rev. 1 3–17 101
- Rev. 1 3–19 103
- RESERVED 104
- (Continued) 105
- 3–22 Rev 1 106
- 3.4.1 Mechanical 107
- 3.4 HPC-1110 Installation 107
- 3–24 Rev 1 108
- Rev. 1 3–25 109
- 3–26 Rev 1 110
- TWTA "B" 111
- 3.4.2.1 Standard Connections 112
- 3.4.2.1.1 AC Prime Power 112
- DB-15 FEMALE, FRONT VIEW 113
- Rev. 1 3–31 115
- 3–32 Rev 1 116
- 3–34 Rev 1 118
- Chapter 4 119
- TWT AMPLIFIERS 119
- 4.1 Operation and Control 120
- 4.1.2 Operating Modes 120
- 4.1.2.1 Heater Delay 120
- 4.1.2.2 Heater Standby 121
- 4.1.2.3 Standby 121
- 4.1.2.4 High Voltage ON 121
- 4.1.2.5 Fault 122
- 4.1.2.5.1 Clearing Faults 123
- 4.1.3.1 Control 123
- 4.1.3.2 Digital Status 124
- 4.1.3.3 Analog 125
- 4.1.4 Initial Power-Up 126
- 4.1.4.1 Pre-Power Check 126
- 4.1.4.2 Power-On Sequence 127
- 4.1.5 Shut Down 127
- 4.2 Maintenance and Service 128
- 4.2.1 Preventive Maintenance 128
- Chapter 5 129
- CONTROLLER FOR SINGLE 129
- THREAD SYSTEMS 129
- 5.1 Operation 130
- 5–4 Rev. 1 132
- Figure 5 133
- 4. Fault Indicators 133
- 5. Status Indicators 134
- 6. HPC-1200 Local Controls 135
- 5.2 Maintenance and Service 137
- 5.2.3 Clearing a Fault 138
- Chapter 6 139
- CONTROLLER FOR REDUNDANT 139
- "Y" Insert Panel 140
- "X" Insert Panel 140
- 6.2 Operation 141
- 6.2.2.1.1 Power Indicator 143
- 6–8 Rev. 1 146
- 6.2.4 Initial Power-On 147
- 6.2.5 Normal Operation 148
- Appendix A 149
- PROGRAMMING GUIDE FOR 149
- REDUNDANT CONTROLLER 149
- A–2 Rev. 1 150
- A.2 Communication Protocols 151
- A.2.1 Command Message Format 151
- A.2.1.2 Primary Address Byte 152
- A.2.1.4 Command Byte 152
- A.2.1.5 Parameters 152
- A.2.1.6 Check Byte 153
- A.2.1.7 Parity 153
- A.2.2.6 Parity 155
- A–8 Rev. 1 156
- A–10 Rev. 1 158
- A.4 TWTA Command Set 163
- A.4.1 TWTA Query Commands 163
- A.4.2 TWTA Control Commands 165
- Glossary 167
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