FACTORY TEST PROCEDURE INDIVIDUAL TEST FOR THE FBIS ANTENNA CONTROL SYSTEM ESI PART NUMBER 84-08001

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP88-01418R000200140012-4
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 35
• Document Creation Date: December 22, 2016
• Document Release Date: May 31, 2011
• Sequence Number: 12
• Publication Date: August 31, 1984
• Content Type: MISC

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~i L : /J/"f1 /At y
APPLICATION
NEXT ASSY
84- 08001
USED ON
DESCRIPTION DATE APPROVED
TP
A INC PER ECN 45071 DG)J'
L
Auc= 3 1 1984
I.PREPAREDIN ACCORDANCE
WITH MIL-STD-I00.
2.UNLESS OTHERWISE
SPECIFIED, DIMENSIONS
ARE IN INCHES.
FACTORY
TEST PROCEDURE
INDIVIDUAL TEST
FOR THE
FBIS ANTENNA CONTROL SYSTEM
ESI PART NUMBER 84-08001
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REVISIONS
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17_L1 8
CONTRACT NO. ELECTROSPACE SYSTEMS, INC.
RICHARDSON, TEXAS 75080
APVD
ENGR
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PROJECT DRAFTSMAN:
DRAWING TITLE
FACTORY TEST PROCEDURE
FBIS ANTENNA CONTROL SYSTEM
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STAT
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PARAGRAPH NO.
TABLE OF CONTENTS
TITLE
PAGE NO.
1.0
SCOPE
4
2.0
APPLICABLE DOCUMENTS
4
2.1
DRAWINGS
4
3.0
REQUIREMENTS
4
3.1
GENERAL
4
3.2
REQUIRED TEST EQUIPMENT
5
3.3
TEST CONDITIONS
5
3.4
ACCEPT/REJECT CRITERIA
5
3.5
VERIFICATION OF TEST DATA
5
3.6
NOTES
5
4.0
FUNCTIONAL TEST
5
4.1
PREPARATION
5
4.2
TEST SETUP
6
4.3
DETAILED TEST
6
4.3.1
Fault and Status Reporting
6
4.3.2
Manual Modes
10
4.3.3
Travel Limit Test
12
4.3.4
Auto Modes
13
4.3.5
Rate Loop Tests
19
4.3.6
Parameter Record
21
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LIST OF ILLUSTRATIONS
FIGURE NO. TITLE PAGE NO.
1 Test Configuration
TABLE NO.
TITLE PAGE NO.
SYSTEM AND AXIS FAULT STATUS 8
MOTOR FAULT STATUS 9
PARAMETERS AND ABBREVIATIONS 22
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SCOPE
This test procedure details checks, tests and measurements for an
integrated factory test of the FBIS Antenna Control System. The
testing consists of connecting the antenna control unit, drive
cabinet, drive motors, remote control box, antenna simulator and test
panels together to verify correct logic and control loop operation.
All data and notes recorded during the test performance are to be
considered a portion of the test procedure and should be attached
hereto. The following procedure details the tests to be performed on
each axis individually due to the single axis limitations of the
antenna simulator and motor test stand. Procedure is performed in
factory ambient environment with normal line voltage (+10 percent).
2.0 APPLICABLE DOCUMENTS
a. ESI System Interface Specification 84-08002-000.
2.1 DRAWINGS
ESI 77-17026-000 Schematic, Signal Processor Board
ESI 77-17031-000 Schematic, SOC Board
ESI 83-38026-000 Schematic, Auto Control Board
ESI 84-08051-000 Schematic, ACU
ESI 84-08045-000 Schematic, Motor Controller AZ
ESI 84-08046-000 Schematic, Motor Controller EL
ESI 84-08043-000 Schematic, SCR Logic PWB, AZ
ESI 84-08044-000 Schematic, SCR Logic PWB, EL
ESI 84-08005-000 Schematic, System
ESI 80-28017-000 Schematic, Manual Control Board
ESI 84-08026-000 Schematic, Servo Drive Cabinet
ESI 78-14039-000 Schematic, Remote Control Box
ESI 84-08032-000 Schematic, Interface Board, AZ
ESI 84-08034-000 Schematic, Interface Board, EL
3.0 REQUIREMENTS
3.1 GENERAL
3.1.1 Power shall be applied to all commercial test equipment at least five
minutes prior to conducting tests.
3.1.2 All test equipment shall be properly grounded and shall be in current
calibration.
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3.2 REQUIRED TEST EQUIPMENT
a. Antenna mechanism simulator and wire harness
b. Test panel of antenna mounted switches
c. Drive motor test stand
d. Volt - ohm meter
e. Oscilloscope
f. Function generator
g. Triple power supply
3.3 TEST CONDITIONS
3.3.1 All tests will be performed under room ambient conditions of
temperature, atmoseheric eressure and humidity. Temperature will be
in the range of 20 to 40 C and relative humidity from 0 to 95 percent.
3.4 ACCEPT/REJECT CRITERIA
3.4.1 The basis for acceptance of the production assembly is twofold:
a. all test measurements shall be within tolerance limits; and,
b. all test actions or observations shall be successfully completed.
3.4.2 Each individual test measurement has associated tolerance limits.
Tolerance values of measurements are identified in the detailed
procedure.
3.5 VERIFICATION OF TEST DATA
3.5.1 Test data (measurements or actions) shall be recorded on the data
sheets by the technician performing the tests.
3.6 NOTES
3.6.1 Test steps followed by the word "RECORD" require a measurable value to
be recorded. Test steps followed by the word "CHECK" require a mark
( 4 to be made in the space provided.
4.0 FUNCTIONAL TEST
4.1 PREPARATION
4.1.1 Verify that the test equipment is in current calibration. /( HECK)
4.1.2 Verify that all test equipment is properly grounded. (CHECK)
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4.2 TEST SET-UP
4.2.1 Refer to the following block diagram Figure 1 for the
preliminary test setup.
4.2.2 In the 93C-15 ACU, disconnect J3 on the SDC card of the
unused axis. Load loop parameters into the ACU. Section
4.3 is repeated for elevation. Elevation notations are in
parenthesis.
4.2.3 Set the following parameters at the 93S-1A Antenna Simulator:
Velocity 0.15 degrees/second
Data Gearbox Ratio 64:1
3 dB Beamwidth 0.42 degrees
Tracking Signal Slope 1.0 volt/dB
4.3 DETAILED TEST
4.3.1 Fault and Status Reporting
Set all circuit breakers on and close all interlock switches
on the test panel. Apply power to the ACU.
Unit powers on in STANDBY mode.
Disable MONITOR if it is on.
4.3.1.1 System and Axis Fault Status
Open each circuit breaker and interlock switch individually,
i.e., operate, observe fault and reclose. Note that the
status message and axis disable displayed on the ACU agrees
with Table I. Those with an X in the alarm column should
cause the alarm lamp on the ACU to flash red. Place ACU in
manual mode, zero command, for all checks. Items denoted
with a * require re-enabling thru axis disable switches.
Open each circuit breaker and interlock switch individually,
i.e., operate, observe fault or faults, and reclose. Note
that the status message displayed on the ACU agrees with
Table II. No axis disables should occur on the Azimuth axis.
The ACU alarm should sound in all cases. Note that the
faulted motor controller assembly is disabled by observing
DS1 on the SCR Logic PWB's.
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V
93S-1A
ANTENNA
SIMULATOR
T
93C-15
ANTENNA
CONTROL
UNIT
TEST
PANEL
'4
T
POWER
SUPPLY
DRIVE
CABINET
REMOTE
BOX
FUNCTION
GENERATOR
CHART
RECORDER
FIGURE 1
TEST SET-UP
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AZ 1 EMERGENCY
AZ 2 EMERGENCY
EL EMERGENCY
DISH DOOR EMERGENCY
30 POWER LOSS
AZ HANDCRANK
AZ BRAKE INTERLOCK
AZ CW PRELIMIT
AZ CW LIMIT
AZ CCW PRELIMIT
AZ CCW LIMIT
AZ BRAKE FAULT
LOW ANGLE
EL HANDCRANK
EL BRAKE INTERLOCK
EL UP PRELIMIT
EL UP LIMIT
EL DOWN PRELIMIT
EL DOWN LIMIT
EL BRAKE FAULT
WANG ID. NO. 0115D
AXIS
DISABLED
MESSAGE ALARM AZ El
AZ1 EMERGENCY X
AZ2 EMERGENCY X
EL EMERGENCY X
DISH DOOR EMER X
3 PHASE PWR LOSS X
AZ HANDCRANK X
AZ BRAKE INTERLK X
AZ CW PRELIMIT X
AZ CW LIMIT X
AZ CCW PRELIMIT X
AZ CCW LIMIT X
AZ BRAKE FAULT X
LOW ANGLE X
EL HANDCRANK X
EL BRAKE INTERLK X
EL UP PRELIMIT X
EL UP LIMIT X
EL DOWN PRELIMIT X
EL DOWN LIMIT X
EL BRAKE FAULT X
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SWITCH
AZ # 1 FIELD CURRENT OR CB
AZ # 2 FIELD CURRENT OR CB
AZ # 1 ARMATURE CB
AZ # 2 ARMATURE CB
AZ # 1 ELECTRONICS CB
AZ# 2 ELECTRONICS CB
AZ # 1 MOTOR THERMOSTAT
AZ # 2 MOTOR THERMOSTAT
AZ # 1 BLOWER CB
AZ# 2 BLOWER CB
EL FIELD CURRENT OR CB
EL ARMATURE CB
EL ELECTRONICS CB
EL MOTOR THERMOSTAT
EL BLOWER CB
TABLE Ti; MOTOR FAULT STATUS
MESSAGE ALARM
AZ1 FIELD FAULT X
AZ2 FIELD FAULT X
A Z1 MTR CONTROL X
AZ2 MTR CONTROL X
AZ1 MTR CONTROL X
AZ2 MTR CONTROL X
AZ1 MTR OVERTEMP X
AZ2 MTR OVERTEMP X
AZ BLOWER CB
AZ BLOWER CB X
EL FIELD FAULT X
EL MTR CONTROL X
EL MTR CONTROL X
EL MTR OVERTEMP X
EL BLOWER CB X
4.3.1.3 Current Fault Status
4.3.1.3.1 Disable AZ Motor# 2 assembly using Armature CB. With ACU
in Manual mode zero rate command inject a 5.3 volt signal at
Al (A6) BJ2-24. (Open BJ2-24 and inject 5.3 volt at C20-4).
Note within 10 seconds an axis shut down with a current fault
being reported for AZ(EL)# 1 Motor. Message should read
AZ 1 CURRENT FAULT (EL CURRENT FAULT).
AZ / (EL) / (CHECK)
4.3.1.3.2 Clear the current fault by depressing the axis disable
switch on the ACU and re-enable Motor# 2 Armature
CB. Disable Motor# 1 assembly and repeat 4.3.1.3.1 for
AZ #2 Motor looking for an AZ 2 Current Fault.
(Open BJ2-25 and inject 5.3 volt at C28-3.) Re-enable
Motor# 1 assembly and clear the current fault by depress-
ing the axis disable switch on the ACU.
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4.3.1.4 Multiple Status
4.3.1.4.1 Activate any alarm condition. Summary alarm lamp ON. V (CHECK)
4.3.1.4.2 Press the ALARM switch on the ACU.
ALARM switch changes to solid yellow. /(CHECK)
Summary alarm lamp OFF. /CHECK)
4.3.1.4.3 Activate another alarm condition.
ALARM switch reverts to flashing red. HECK)
Summary alarm lamp ON. / HECK)
Asterisk in message display and messages alternate. (CHECK)
4.3.1.4.4 Press the ALARM switch.
ALARM switch is yellow. V /(CHECK)
Messages alternate. / (CHECK)
4.3.1.4.5 Remove one alarm.
ALARM switch is yellow.
Asterisk not present.
a ar
1 R l t l m
4
6
V//(CH ECK )
/(CHECK)
.
emove as
4.3. .
.
ALARM switch is off. /CHECK)
Data section of display is blank. (CHECK)
4.3.2 Manual Modes
This section checks the logic modes and the back-up modes.
4.3.2.1 Manual
4.3.2.1.1 Select the MANUAL ENABLE mode of operation and verify that
the direction and speed of the motor rotation may be con-
trolled using the ACU manual control. Brake release lamp
should be ON. /
AZ / (EL)
(CHECK)
4.3.2.1.2 Verify that as the manual control is rotated CW (UP) the
digital position display is incremented. With a CCW (D )
command the display is decremented. //
AZ (EL) (CHECK)
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4.3.2.1.3 Command a maximum CW (UP) rate command. Using a DVM measure
the tach feedback voltage at B17-7. It should measure
1V + .15 (1/10 full velocity). Repeat for CCW (DOWN)
direction.
CW t, (UP) ?'t V (RECORD)
CCW-/,OIy(DOWN) - /, d /,r (RECORD)
4.3.2.2 Slew
4.3.2.2.1 Select the SLEW ENABLE mode of operation and verify that the
direction and speed of motor rotation may be controlled
using the ACU manual control. Brake release lamp should
be ON.
4.3.2.2.2 Using the tachometer, measure the maximum motor speed in
each direction. It should be 1750 + 175 rpm.
CW 1616 (UP) / 67 c (RECORD)
CCW l~15 (DOWN) 16 47,0 (RECORD)
4.3.2.3 Monitor
4.3.2.3.1 Select SLEW ENABLE mode and place command at zero. Enab e
the monitor by pressing MONITOR.
AZ (EL) (CHECK)
4.3.2.3.2 Give a full CW (UP) command. The monitor circuit should
cause the mode to revert to STANDBY within 1.0 seconds.
/(CHECK)
Reverts within limit. AZ (EL) Monitor is red. AZ ZEL) / (CHECK)
Message MONITOR TRIPPED appears /
in ACU status window AZ V (EL) (CHECK)
NOTE: Monitor time constant switch must be in position 4.
4.3.2.3.3 Return command to zero and reset monitor. Repeat for CCW
(DN) command.
Reverts within limit. AZ >/ (EL) y1 (CHECK)
Monitor is red. AZ / (EL) '/(CHECK)
Message MONITOR TRIPPED appears /
in ACU status window AZ / (EL) (CHECK)
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4.3.2.3.4 Disable monitor by depressing front panel MONITOR switch.
Red lamp extinguishes. /
AZ / (EL) /(CHECK)
4.3.2.4 Remote
4.3.2.4.1 Connect the remote control box to the drive cabinet. Note
that it cannot be enabled. /
Not enabled. AZ (EL) / (CHECK)
4.3.2.4.2 Place the ACU in REMOTE mode. The remote control box may
now be enabled. ACU should display REMOTE ENABLED upon
activating the remote box. /,
Remote enables. AZ // (EL) r/ (CHECK)
4.3.2.4.3 Verify that MANUAL mode may be controlled with the remote box. /
Manual controlled. AZ (EL) // (CHECK)
Remove remote box and restore ACU to MANUAL mode.
4.3.3 Travel Limit Test
4.3.3.1 Prelimits
4.3.3.1.1 Enter MANUAL mode and command AZ(EL) CW (UP) rate. Activate
the AZ(EL) CW (UP) prelimit switch on the test panel. The
brakes are set and AZ(EL) CW (UP) PRELIMIT is displayed.
/
AZ / (EL) / (CHECK)
4.3.3.1.2 Using the MANUAL rate knob and while depressing MANUAL
ENABLE, command AZ(EL) CCW(DN) and note that it is
possible to drive the system away from the prelimit.
AZ y (EL) /(CHECK)
4.3.3.1.3 Using the MANUAL rate knob and while depressing MANUAL
ENABLE, command AZ(EL) CW(UP) and note that it is not
possible to drive the system further into a prelimit.
AZ V (EL) / (CHECK)
4.3.3.1.4 Clear the prelimit and repeat paragraphs 4.3.3.1.1 through
4.3.3.1.3 for the CCW(DN) direction. /
4.3.3.1.1 AZ (EL) (CHECK)
4.3.3.1.2 AZ / (EL) / HECK)
4.3.3.1.3 AZ / (EL) (CHECK)
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4.3.3.2 Limits
4.3.3.2.1 Select MANUAL mode. Command movement in either directions.
Open the CW(UP) limit switch. Motors should stop. /
Motors stop. AZ (EL) y (CHECK)
4.3.3.2.2 Close the CW(UP) limit switch. Repeat 4.3.3.2.1 using the
CCW(DN) limit switch. /
AZ (EL) / (CHECK)
Motors stop.
4.3.3.2.3 Repeat 4.3.3.2.1 and 4.3.3.2.2 for the CCW (DOWN) direction.
/
4.3.3.2.1 AZ / (EL) / (CHECK)
4.3.3.2.2 AZ / (EL) (CHECK)
4.3.4 Auto Modes
4.3.4.1 Manual Position Mode
4.3.4.1.1 Set mode to MAN POS. Verify that manual control of the
motors is possible.
AZ / (EL) (CHECK)
4.3.4.1.2 Set command to zero and verify that there is no drift in
position. r/
AZ (EL) (CHECK)
4.3.4.1.3 Record position. AZ I.Ali degrees (RECORD)
( E L ) y 1 degrees (RECORD)
4.3.4.1.4 Disable axis from ACU (axis disable switch should be yellow)
and manually rotate motor or use antenna simulator until
position has changed 0.1 degrees or more. Enable axis.
System should return to previous position, +0.01 degrees.
System returns. AZ ~// (EL) (CHECK)
4.3.4.2 20 Satellite Positions
4.3.4.2.1 Put DATA section of display into DISPLAY KEYBOARD mode.
Store a command position for Position 1 Azimuth and
Position 1 Elevation and record below.
P01 AZ I. 00 degrees (NMT 359.99)
P01 EL 0 a degrees (NMT 99.99)
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4.3.4.2.2 Place the ACU in Position 1 mode. The system should drive
to the stored command position. Record position after system
settles. Actual position should equal command position
+0.01 degrees.
Azimuth Actual 1.00 degrees (RECORD)
[Actual - Command] < 0.01 deg V (CHECK)
Elevation Actual 1. 00 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.3 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 2.
P02 AZ -2 CC) degrees (NMT 359.99) (RECORD)
P02 EL 2 . C C degrees (NMT 99.99) (RECORD)
Azimuth Actual 7. C G degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
degrees (RECORD)
Elevation Actual ~. C', C,
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.4 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 3.
P03 AZ 3, 00 degrees (NMT 359.99) (RECORD)
P03 EL 3,00
Azimuth Actual 3.0 O degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual 3, O C degrees (RECORD)
[Actual - Command] < 0.01 deg r/ (CHECK)
4.3.4.2.5 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 4.
P04 AZ . 00 degrees (NMT 359.99) (RECORD)
P04 EL 4 , 00 degrees (NMT 99.99) (RECORD)
degrees (NMT 99.99) (RECORD)
Azimuth Actual LL C 0 degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual L/, 0 0 degrees (RECORD)
[Actual - Command] < 0.01 deg V/ (CHECK)
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,1.3.4 .2.6 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 5.
P05 AZ S.00 degrees (NMT 359.99) (RECORD)
P05 EL 00 degrees (NMT 99.99) (RECORD)
Azimuth Actual 0 O degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual S. C 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.7 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 6.
P06 AZ degrees (NMT 359.99) (RECORD)
P06 EL degrees (NMT 99.99) (RECORD)
Azimuth Actual 6, CC, degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual t~r0 0 degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
4.3.4.2.8 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 7.
P07 AZ 7, 0C degrees (NMT 359.99) (RECORD)
P07 EL 7, 00 degrees (NMT 99.99) (RECORD)
Azimuth Actual IX c degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual 7, a 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.9 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 8.
P08 AZ 0. 00 degrees (NMT 359.99) (RECORD)
P08 EL ?-.00 degrees (NMT 99.99) (RECORD)
Azimuth Actual 7 0 CJ degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
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4.3.4.2.9 (CONT. j
Elevation Actual , 00 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.10 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 9.
P09 AZ 9, OD degrees (NMT 359.99) (RECORD)
P09 EL 9,C C degrees (NMT 99.99) (RECORD)
Azimuth Actual q_C (1 degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual 9, G C' degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
4.3.4.2.11 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 10.
P10 AZ IC C (' degrees (NMT 359.99) (RECORD)
P10 EL /Q , 0 0 degrees (N MT 99.99) (RECORD)
Azimuth Actual /0 .0 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual /0.00 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.12 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 11.
P11 AZ 00 degrees (NMT 359.99) (RECORD)
P11 EL degrees (NMT 99.99) (RECORD)
Azimuth Actual C degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual C C degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
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4.3.4.2.13 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 12.
P12 AZ 12.00 degrees (NMT 359.99) (RECORD)
P12 EL 1'?, 00 degrees (NMT 99.99) (RECORD)
Azimuth Actual 12. L 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual I?, C C degrees (RECORD)
[Actual - Command] < 0.01 deg `/ (CHECK)
4.3.4.2.14 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 13.
P13 AZ 13. U C degrees (NMT 359.99)
(RECORD)
P13 EL 13_ CC G degrees (NMT 99.99) (RECORD)
Azimuth Actual I. U degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual 1 3. C 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.15 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 14.
P14 AZ 1-t00 degrees (NMT 359.99) (RECORD)
P14 EL 140 0 degrees (NMT 99.99) (RECORD)
Azimuth Actual 14,00 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual IH.C C degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.16 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 15.
P15 AZ I S ACC degrees (NMT 359.99) (RECORD)
P15 EL 15 .0 C degrees (NMT 99.99) (RECORD)
Azimuth Actual I S , 0 0 degrees (RECORD)
[Actual - Command] < 0.01 deg 411 (CHECK)
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5.3.4.2.16 (CONT.)
Elevation Actual I5,0 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.17 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 16.
P16 AZ ( b. 0 0 degrees (NMT 359.99) (RECORD)
P16 EL 1b?0 C -degrees (NMT 99.99) (RECORD)
Azimuth Actual ( C' degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual C C' degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
4.3.4.2.18 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 17.
P17 AZ i 7. C C degrees (NMT 359.99) (RECORD)
P17 EL 11, co degrees (NMT 99.99) (RECORD)
Azimuth Actual -"]. 0 0 degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual 17, co degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
4.3.4.2.19 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 18.
P18 AZ V 9.00 degrees (NMT 359.99) (RECORD)
P18 EL C 0 degrees (NMT 99.99) (RECORD)
Azimuth Actual (g, CiC degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
Elevation Actual I g, 0 degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
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Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 19.
P19 AZ I LT, 00 degrees (NMT 359.99) (RECORD)
P19 EL 19, 0 0 degrees (NMT 99.99) (RECORD)
Azimuth Actual 19, 0 0 _degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual I q,() degrees (RECORD)
[Actual - Command] < 0.01 deg / (CHECK)
4.3.4.2.21 Repeat paragraphs 4.3.4.2.1 and 4.3.4.2.2 for Position 20.
P20 AZ ;40,6'O degrees (NMT 359.99) (RECORD)
P20 EL 20, 00 degrees (NMT 99.99) (RECORD)
Azimuth Actual 2 0.0 O degrees (RECORD)
[Actual - Command] < 0.01 deg (CHECK)
Elevation Actual 20,00 degrees (RECORD)
[Actual - Command] < 0.01 deg / /(CHECK)
4.3.4.2.22 Command STANDBY mode at the ACU. / (CHECK)
4.3.5 Rate Loop Tests
4.3.5.1 Set-Up
4.3.5.1.1 Remove the rate command from the input to the rate loop and
replace with a function generator.
AZ / (EL) / (CHECK)
4.3.5.1.2 Monitor the output of the function generator with one channel
of the chart recorder and the TACH voltage with the other.
AZ / (EL) /'(CHECK)
4.3.5.1.3 Place system in MANUAL ENABLE.
AZ / (EL) /(CHECK)
4.3.5.2 Minimum Smooth Velocity
4.3.5.2.1 Calibrate chart recorder so that .01 deg/sec equals full
scale on both channels.
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4.3.5.2.2 Set function generator to generate a .1 Hz triangular wave
with zero DC offset.
AZ / (EL) /(CHECK)
4.3.5.2.3 Adjust amplitude of triangular wave for a peak of .01
deg/sec. AZ (EL) (CHECK)
4.3.5.2.4 Record several cycles of the COMMAND and TACH voltages on
the chart recorder.
AZ (EL) (CHECK)
4.3.5.2.5 Note point at which antenna velocity drops to zero as seen
by the recorded TACH voltage. Record below.
Azimuth CW - CCC' 25~ degrees/second (RECORD)
Azimuth CCW degrees/second (RECORD)
(Elevation UP) , 0 C%~ 2 5 degrees/second (RECORD)
(Elevation DN) 6,6,,C,3 75 degrees/second (RECORD)
4.3.5.3 Transient Response
4.3.5.3.1 Place system in SLEW ENABLE.
4.3.5.3.2 Select the square wave output of the function generator and
adjust the amplitude for 1 volt peak to peak at .2 Hz.
/(CHECK)
AZ (EL)
4.3.5.3.3 Record several cycles of the COMMAND and TACH voltages on
the chart recorder.
4.3.5.3.4 ? Record overshoot.
AZ r(EL) (CHECK)
AZ F. C/,~ < 20 percent (RECORD)
(EL) IE 0 0 < 20 percent (RECORD)
4.3.5.4 Acceleration
4.3.5.4.1 Adjust the output of the function generator for 10 volts
peak to peak at .2 Hz. (Note: 10 volts command is
+1/2 speed).
WANG ID. NO. 0115D
AZ / (EL) /(CHECK)
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4.3.5.4.2
Record several cycles of the COMMAND and TACH voltages on
the chart recorder. Measure the maximum slope of the TACH
feedback and calculate acceleration.
AZ
33
1 degree/sec2(RECORD)
(EL)
I/
> 1 degree/sec2(RECORD)
4.3.5.5 Rate Loop Bandwidth
4.3.5.5.1 Set the sine wave output of the function generator to 1 volt
peak to peak. With the chart recorder running, slowly sweep
the frequency of the function generator upward (making sure
the output of the function generator remains constant) until
the system no longer responds as indicated by the chart
recording.
4.3.5.5.2 From the above recording, determine the frequency at which
the output voltage from the TACH has decreased 3 dB.
Azimuth Rate Loop Bandwidth Hz (RECORD)
Elevation Rate Loop Bandwidth -7 Hz (R CORD)
4
3
3
5
5
Restore the rate command connection.
(CHECK)
.
.
.
.
4.3.6
Parameter Record
Configure the system for normal operation.
following parameters.
Recor
d the
AES
/ Lo
BA3
/ Z
ESF
36 0 ca
AOS
_ 0 /
B03
/Z8
ESR
1(9
ASF
6
C01
1 Z8'
ETA
IZ
ASR
_
4V
CA1
~ Z
ETO
I 2
ATO
C02
1 Z~
PSA
17
ATA
I Z
CA2
Z
PSO
/1:7
BA 1
2
C03
ST C
2-
B01
~Zg
CA3
/ Z
BA2
IZ
EE
S
I ZO
B02
1Z9
EOS
NOTE: ASF (ESF) must be entered before AOS (EOS).
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TABLE III: PARAMETERS AND ABBREVIATIONS
MNEMONIC RANGE NAME
POSITION LOOP CONTROL PARAMETERS
FUNCTION
AES
0-255
Azimuth Error Slope Set gain of
azimuth pos
digital loop used to hold
ition.
AOS
0-359.99'
Azimuth OffSet Used to ali
gn azimuth data gearbox.
ASF
0-99,999
Azimuth Scale Factor Sets full s
position.
cale reading of azimuth
ASR
0-255
Azimuth Square Root Determines
Gain error requi
command.
amount of azimuth position
red to obtain full velocity
EES
0-255
Elevation Error Slope Sets gain o
elevation p
f digital loop used to hold
osition.
EOS
0-359.990
Elevation OffSet Used to ali
gn elevation data gearbox.
ESF
0-99,999
Elevation Scale Factor Sets full s
position.
cale reading of elevation
ESR
0-255
Elevation Square Root Determines
Gain position er
velocity co
amount of elevation
ror required to obtain full
mmand.
STC
0-255
Settling Lime Constant Determines
LSB oscilla
rate of integration to reduce
tion.
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TABLE III: PARAMETERS AND ABBREVIATIONS (Continued)
MNEMONIC RANGE NAME
INPUT NORMALIZING PARAMETERS
BA1
1-31 (1) #1 Beacon Amplitude 1
BO1
0-255 (2) #1 Beacon Offset 1
BA2
1-31 (1) #2 Beacon Amplitude 2
B02
0-255 (2) #2 Beacon Offset 2
BA3
1-31 (1) #3 Beacon Amplitude 3
0-255 (2) #3 Beacon Offset 3
CA1
1-31
(1)
Comm Channel Amplitude 1
COl
0-255
(2)
Comm Channel Offset 1
CA2
1-31
(1)
Comm Channel Amplitude 2
C02
0-255
(2)
Comm Channel Offset 2
CA3
1-31
(1)
Comm Channel Amplitude 3
C03
0-255
(2)
Comm Channel Offset 3
PSA
1-31
(1)
Power Supply Amplitude
PSO
0-255 (2) Power supply offset
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FUNCTION
Sets gain of 1 Beacon channel (not
used).
Sets offset of 1 Beacon channel (not
used).
Sets gain of 2 Beacon channel (not
used).
Sets offset of 2 Beacon channel (not
used).
Sets gain of 3 Beacon channel (not
used).
Sets offset of 3 Beacon channel (not
used).
Sets gain of EL Error signal (not used).
Sets offset of EL Error signal (not
used).
Sets gain of Cross EL Error signal (not
used).
Sets offset of Cross El Error signal
(not used).
Sets gain of Sum signal (not used).
Sets offset of Sum signal (not used).
Sets gain of power supply and control
loop self-check. (PSA=15, sets scale
multiplier of 4V).
Sets offset of power supply and control
loop self-check. (PSA=117, zeroes
meter).
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TABLE III: RHRANETERS AND ABBREVIATIONS (Continued)
MNEMONIC RANGE NAME
INPUT NORMALIZING PARAMETERS (Continued)
ATA
1-31
(1)
Azimuth Torque Ampl.
ATO
0-255
(2)
Azimuth Torque Offset
ETA
1-31
(1)
Elevation Torque Ampl.
ETO
0-255
(2)
Elevation Torque Offset
Sets gain of azimuth torque feedback for
meter display (ATA=17 sets scale
multiplier to 4A).
Sets offset of azimuth torque feedback
for meter display.
Sets gain of elevation torque feedback
for meter display (ETA=17 sets scale
multiplier to 4A).
Sets offset of elevation torque feedback
for meter display.
(1) The higher the number, the lower the gain.
(2) Increasing numbers move meter to the left (zero offset = 128).
ABBREVIATIONS
ACU = Antenna Control Unit
NMT = Not More Than
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FOR ELECTROSPACE SYSTEMS, INC.
DATE
DATE
DATE 9-~ -g7
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