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Xicom TWTA Operations And Maintenance, Instructions Of Shipment, Unpacking And Installation

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Unpacking and Installation, TWTA Octagon CPU
Revision ECO
A
9295 Original Release
B
9933 Add information for Tri-band Power
Connector
C
10096 Replace Fig. 7
D
10197 Update RF Inhibit Information
E
10490 Update to reflect waveguide flange
protection
F
10980 Update Figure 5 to show proper pinouts 04/22/2003 A.L. Crozier, Jr.
G
11340 Add Waveguide Torque Table
H
11883 Correct pinouts on MS Power Plug. Add
Waveguide Switch connector pinouts.
J
12470 Add Hardware Address Select and
Discrete HV ON Indicator
K
12715 Change to reflect absorptive vice
reflective filtering for W/G
L
12775 Change title, add Octagon TWT note
and various other edits
M
12927 Add German Language translation to
comply with CE requirement
N
13332 Auxiliary Connector Figure
MNC-0300-003
Unpacking and Installation, TWTA Octagon CPU
Record of Changes
Description
1 of 22
Date
Initiated By
11/29/2001 A.L. Crozier, Jr.
06/21/2002 A.L. Crozier, Jr.
07/14/2002 A.L. Crozier, Jr.
08/26/2002 A.L. Crozier, Jr.
12/10/2002 A.L. Crozier, Jr.
08/13/2003 A.L. Crozier, Jr.
03/08/2004 A.L. Crozier, Jr.
09/01/2004 A.L. Crozier, Jr.
04/21/2005 J. Thompson
04/26/2005 T. Stewart
07/07/2005 A. L. Crozier, Jr.
08/22/2005 A. Auld
Revision N

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Summary of Contents for Xicom TWTA

  • Page 1 Unpacking and Installation, TWTA Octagon CPU Unpacking and Installation, TWTA Octagon CPU Record of Changes Revision ECO Description Date Initiated By 9295 Original Release 11/29/2001 A.L. Crozier, Jr. 9933 Add information for Tri-band Power 06/21/2002 A.L. Crozier, Jr. Connector 10096 Replace Fig. 7 07/14/2002 A.L.

  • Page 2: Table Of Contents

    Page Number Unpacking and Installation, TWTA Octagon CPU ......5 Unpacking and Inspection ......... . . 5 Unpacking .
  • Page 3 Unpacking and Installation, TWTA Octagon CPU List of Figures Paragraph Title Page Number Figure 1 , Typical 4 Screw Mounting Flange Tightening Sequence....8 Figure 2 , Typical 8 Screw Mounting Flange Tightening Sequence....8 Figure 3 , Connector J2 Pinout for Standard Unit .
  • Page 4 Unpacking and Installation, TWTA Octagon CPU List of Tables Paragraph Title Page Number Table 1 , Recommended Waveguide Flange Torque ......9 Table 2 , Monitor and Control Connector Pinouts .

  • Page 5: Unpacking And Installation, Twta Octagon Cpu

    Unpacking and Installation, TWTA Octagon CPU Unpacking and Installation, TWTA Octagon CPU Note This document is intended for outdoor TWTAs and other related products with Octagon microprocessors. Unpacking and Inspection Inspect the inside and outside of the shipping container for signs of damage.

  • Page 6: Waveguide Connection

    Xicom recommends the use of Kapton® tape, 3M Brand, #92, Xicom P/N 602-0001-001. Remove tape or cap prior to final installation. Failure to comply could result in contamination to the internal waveguide system or TWT and equipment damage.
  • Page 7 Band abgedeckt werden, das beim Entfernen keine Kleberrückstände hinterlässt. Xicom empfiehlt die Verwendung von Kapton® Band, 3M Brand, #92, Xicom P/N 602-0001-001. Band oder Kappe vor der endgültigen Aufstellung entfernen. Nichtbefolgen könnte Verunreinigung des internen Hohlleitersystems oder Beschädigung von TWT und Gerät zur Folge haben.

  • Page 8: Figure 1, Typical 4 Screw Mounting Flange Tightening Sequence

    Unpacking and Installation, TWTA Octagon CPU 5. Tighten all mounting screws with the appropriate size Allen wrench. 6. Use a sequential tightening procedure. Refer to Table 1. Proceed as follows: Partially tighten one of the screws (#1). • Move the tool to the screw that is diagonally opposite to the screw •...

  • Page 9: Air Ducting Installation

    Unpacking and Installation, TWTA Octagon CPU Table 1, Recommended Waveguide Flange Torque Threads per Recommended Torque Screw Size Inch (inch-lb) No. 4 No. 6 No. 8 No. 10 Air Ducting Installation The power amplifier is cooled with a built-in fan. Heated exhaust air should not be recirculated into the power amplifier.

  • Page 10: Power And Interface Interconnections

    Unpacking and Installation, TWTA Octagon CPU Power and Interface Interconnections When performing the procedures in this section refer to the Wiring and Interconnect Drawings for your specific amplifier. These drawings are located in the appendix titled Interconnect Drawings. Prime Power Connections The AC Prime Power receptacle is located on the amplifier front panel.

  • Page 11: External Interlock (Prime Power Enable)

    Unpacking and Installation, TWTA Octagon CPU Figure 4, Connector J2 Pinout for EIK Unit Some amplifiers may have an MS connector. Refer to Figure 5 , MS Connector J2 Pinout. Figure 5, MS Connector J2 Pinout Refer to the Outline Drawing in the appendix titled Mechanical Drawings.

  • Page 12: Monitor And Control Connector

    Unpacking and Installation, TWTA Octagon CPU Monitor and Control Connector To externally control the amplifier a M&C interface is provided. The connector is a 32-pin MIL style waterproof connector. The Monitor and Control connector provides these interfaces for the use of the customer: COM1 —...
  • Page 13 Unpacking and Installation, TWTA Octagon CPU See the appendix titled Specifications for the pinouts on your amplifier. Table 2, Monitor and Control Connector Pinouts Signal Name RS-232 RS-232 RS-232 RS-232 RS-232 RS-232 RS-232 RS-232 RS-232 System GND RS-422/485 Transmit +...

  • Page 14: Redundancy Interface (Waveguide Switch) Connector (J6)

    Unpacking and Installation, TWTA Octagon CPU Redundancy Interface (Waveguide Switch) Connector (J6) Provides control and status indication for Waveguide Switch position. Refer to Table 3 and Figure 8. Passes RF Inhibit command during the switching operation or Waveguide Switch failure.

  • Page 15: Rf Inhibit Control (J1-Y)

    Figure 8, Waveguide Switch Connector Pinouts RF Inhibit Control (J1-Y) The TWTA has the capability to Inhibit RF. If the unit has a SSA preamplifier, inhibit is accomplished by turning off the SSA. If the unit does not have a SSA preamplifier, the RF Inhibit command is factory set to disable high voltage to the tube.

  • Page 16: Figure 10, Rf Inhibit With External Source

    Mixing internal and external references can result in damage to the equipment if there is a difference in ground potential between the controller and the TWTA. If you need to invert the RF Inhibit logic, RF inhibited when switch A is open, the TWTA...

  • Page 17: Serial Interface Ports (J1-A To J1-R)

    Unpacking and Installation, TWTA Octagon CPU Figure 11, RF Inhibit with Switch A Open Serial Interface Ports (J1-A to J1-R) Dual serial interface connectors (COM1 and COM2) are available for remote control operation. Both serial interface ports are always enabled. The amplifier will respond to commands from either interface.

  • Page 18: Figure 12, Typical Rs-485 2-Wire Duplex Implementation

    Unpacking and Installation, TWTA Octagon CPU Figure 12, Typical RS-485 2-Wire Duplex Implementation Figure 13, Typical RS-485 4-Wire Full Duplex Implementation MNC-0300-003 18 of 22 Revision N...

  • Page 19: Summary Fault Indicators (J1-S To J1-X)

    Unpacking and Installation, TWTA Octagon CPU Note Refer to Table 2“, Monitor and Control Connector Pinouts,” on page 13 for the definition of the pins listed in the following paragraphs. Summary Fault Indicators (J1-S to J1-X) Two sets of Form C relay contacts (Summary Fault A and Summary Fault B) are used to indicate that a fault has occurred.

  • Page 20: Local Operation

    Nichtbefolgen könnte die Verletzung oder den Tod von Menschen zur Folge haben. Local Operation Xicom Technology digital outdoor units have a built-in microprocessor for Monitor and Control using Xicom Standard Protocol. Refer to the chapter titled Amplifier Communication and Protocol for detailed information.
  • Page 21 8. If a fault occurs the LED will turn red. To reset the fault press the HV switch to the RESET position (all the way down). 9. To control the TWTA with a remote controller place the High Voltage switch in the OFF position and place the LOCAL/REMOTE switch in the REMOTE position.
  • Page 22 Unpacking and Installation, TWTA Octagon CPU MNC-0300-003 22 of 22 Revision N...

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