XM1304 FCS AND TURRET COMPONENTS

Question 1

XM1304 ARMAMENTS

Answer 1

-XM813 30MM CANNON W/ AHS
-M240 MACHINE GUN W/ AHS
-LTM (LASER TARGET MARKER)
-SGL (SMOKE GRENADE LAUNCHER)

Question 2

AMMO LOADS

Answer 2

-30MM AMMO: 450 RDS

-7.62MM: 800 RDS

-SMOKE GRENADES: 36 GRENADES

Question 3

XM813 MAJOR COMPONENTS

Answer 3

-CANNON
-GUN CONTROL UNIT
-GCU TO GUN CABLE ASSEMBLY
-BII

Question 4

XM813 AHS MAJOR COMPONENTS (6)

Answer 4

-FLEXIBLE CHUTE
-RIGID CHUTE
-ELEMENT CRADLE
-FEED MECHANISM
-GUI
-LOADING DOOR

Question 5

DESCRIBE XM813 AMMO HANDLING SYSTEM

Answer 5

LINK-LESS, CLOSED LOOP, DUAL FEED SYSTEM WITH TWO INDIVIDUAL SELECTABLE FEED PATHS, LEFT AND RIGHT SIDE. LEFT SIDE 82, RIGHT SIDE 80, TOTAL 162 RDS.

Question 6

M240 W/ AHS COMPONENTS (8)

Answer 6

-FEED CHUTE
-ROUND COUNTER
-EJECTION CHUTE
-COLLECTION BOX
-FIRING MECHANISM
-AMMO BOX
-M240
-CRADLE

Question 7

LASER TARGET MARKER

Answer 7

• VIS AND IR LASER POINTERS
• <0.5 mRAD
  -MUST BE BORESIGHTED TO CANNON

Question 8

14 TURRET COMPONENTS

Answer 8

1. OBSERVATION SYSTEM (SLEOSS & VCEOSS)
2. METEOROLOGICAL SENSOR
3. SERVO POWER UNIT (SPU)
4. GUN CONTROL UNIT (GCU)
5. FIRE CONTROL UNIT
6. ELEVATION RESOLVER
7. TRAVERSE RESOLVER
8. TRAVERSE ACTUATOR
9. ELEVATION ACTUATOR
10. MOTOR DRIVE CONTROL UNIT (MDCU)
11. SLIP RING
12. BASE GYRO
13. CANNON GYRO
14. WEAPON CRADLE

Question 9

OBSERVATION SYSTEM
SLEOSS & VCEOSS

Answer 9

OBSERVATION SYSTEMS CONSISTS OF 2 IDENTICAL SINGLE UNIT SIGHTS

SLEOSS & VCEOSS: BOTH CONTAIN TIM, VIM & ELRF

TIM FOV: 1.7, 6, 22 DEGREES
VIM FOV: 2, 7.4, 26.5 DEGREES

ELRF: ACCURACY +/- 1.5 M FROM 50M UP TO 4,000M, +/- 5 M FROM 4,000 UP TO 6,500M
BEAM DIVERGENCE <0.55 mRAD

Question 10

MET SENSOR

Answer 10

-MEASURES WIND SPEED, WIND DIRECTION, BAROMETRIC PRESSURE, AMBIENT AIR TEMP, HUMIDITY, DIRECTION AND GPS LOCALIZATION

-REPORTS DATA TO MDCU

-MEASURES THE SPEED AND DIRECTION OF THE WIND BY THEIR EFFECTS ON A UNIFORM THERMAL FIELD

Question 11

SERVO POWER UNIT
SPU

Answer 11

SUPPLIES POWER FROM THE HPSU TO THE MOTION AND DRIVE ACTUATORS

LOCATED OPPOSITED OF CANNON IN TURRET

Question 12

FIRE CONTROL UNIT
FCU

Answer 12

INTERFACES WITH THE FOLLOWING:
M240 COAX EQUIPMENT AND SENSORS, LTM, SGL AND BORESIGHT DEVICE

-FIRING SOLENOID
-MOTOR IN CONVEYOR ASSEMBLY (28V)
-ROUND COUNTER
-COCK ASSMBLY

ALSO INTERFACES WITH THE CANNON VIA THE GCU

SENDS AND RECEIVES FIRE COMMANDS, GUN DATA, INDICATORS, ROUND COUNTS

ENABLES/DISABLES FIRING

Question 13

GUN CONTROL UNIT
GCU

Answer 13

COMMUNICATES WITH AND CONTROLS THE CANNON AND STORES HISTORICAL GUN DATA

INTERFACES WITH THE FCU

SENDS AND RECEIVES FIRE COMMANDS, GUN DATA, INDICATORS, ROUND COUNTS

ENABLES/DISABLES FIRING

Question 14

EL AND TR ACTUATORS

Answer 14

EL ACTUATOR:
-EXTERNAL PROXY SENSOR
-SUPPLIES THE TORQUE AND ANGULAR SPEED TO DRIVE THE TURRET IN ELEVATION

TR ACTUATOR:
-INTERNAL PROXY SENSOR
-SUPPLIES THE TORQUE AND ANGULAR SPEED TO DRIVE THE TURRET IN AZIMUTH

Question 15

EL AND TR RESOLVERS

Answer 15

EL RESOLVER:
-MEASURES ABSOLUTE ANGLE OF THE WEAPON SYSTEM RELATIVE TO THE CHASSIS IN ELEVATION
-LOCATED IN RIGHT STANCHION

TR RESOLVER:
-MEASURES ABSOLUTE ANGLE OF THE TURRET RELATIVE TO THE CHASSIS IN TRAVERSE
-LOCATED IN SLIP RING

Question 16

SLIP RING

Answer 16

TRANSFERS POWER, SIGNAL AND DATA BETWEEN THE CHASSIS AND THE TURRET

PROVIDES 360 DEGREE ROTATION

Question 17

CANNON GYRO

Answer 17

USES QUAPASON SENSORS

ARE TWO RUGGED, SINGLE AXIS SOLID STATE VIBRATING RATE GYROSCOPES

MEASURES/REPORTS MOTION OF THE CANNON IN RAD (RATE, AMOUNT, DIRECTION)

INTERFACES WITH MDCU TO SEND DATA
AND WITH HPSU TO RECEIVE POWER

Question 18

BASE GYRO

Answer 18

IS A MICRO-ELECTROMECHANICAL SYSTEM (MEMS) INERTIAL MEASUREMENT UNIT

MEASURES/REPORTS MOTION OF THE CHASSIS IN RAD (RATE, AMOUNT, DIRECTION)

INTERFACES WITH MDCU TO SEND DATA
AND WITH HPSU TO RECEIVE POWER

Question 19

WEAPON CRADLE

Answer 19

BETWEEN STANCHIONS

MOUNTING POINTS FOR XM813 AND M240

Question 20

MOTOR DRIVE CONTROL UNIT (MDCU)

Answer 20

RESPONSIBLE FOR CONTROLLING TURRET MOVEMENT AND STABILIZATION

RECEIVES DATA FROM THE GYROS, MET SENSOR, OPTICS, EL/TR RESOLVERS AND EL/TR ACTUATORS

COMMANDS ACTUATORS VIA THE SPU

Question 21

COMMAND AND CONTROL COMPONENTS

Answer 21

-SQUAD LEADER HANDLE
-VEHICLE DISPLAY ELECTRONIC TERMINAL
-MAIN COMPUTER UNIT (MCU)
-VEHICLE COMMANDER DISPLAY UNIT (VCDU)
-HIGH POWER SUPPLY UNIT (HPSU)
-VEHICLE COMMANDER HANDLE (VCH)
-VEHICLE COMMANDER PANEL (VCP)

Question 22

SQUAD LEADER HANDLE (SLH)

Answer 22

ENABLES THE SQUAD LEADER TO MANIPULATE THE SLEOSS

Question 23

VDET

Answer 23

ITS A VDET

Question 24

MAIN COMPUTER UNIT (MCU)

Answer 24

SYSTEM MANAGER

DISTRIBUTES COMMAND AND CONTROL DATA FROM THE UI

PROCESSES IMAGERY AND GUN STATUSES TO DISPLAY ON VDCU AND SLDU

IS WHERE THE BALLISTIC CALCULATIONS AND ALGORITHS OCCUR

Question 25

HPSU

Answer 25

DISTRIBUTES POWER TO WEAPON STATION COMPONENTS -HIGH POWER TO COMPUTERS AND ACTUATORS -LOW POWER TO SENSORS -POWER TO GCU AND CANNON 4 SWITCHES -PWR= ON/OFF -DRV=SPU (ACTUATORS/GYROS) -GUN=CANNON, COAX, LTM, SGL -CONT=CONTROLLERS AND COMPUTERS

Question 26

VEHICLE COMMANDER HANDLE

Answer 26

ENABLE MANIPULATION OF WEAPON STATION JOYSTICK: -STEERING -RANGE -LRF -TRIGGER W/ GUARD -BRAKE RELEASE SWITCH -TRACK -FIRING CORRECTIONS CONTROLS AND INDICATORS: -FIRE ENABLE SWITCH -DRIVE ENABLE SWITCH -OVERRIDE SWITCH -TRACK -VIDEO SOURCE -POLARITY -SHOOTER CONTROL (SHOOTER, OBSERVE, ENSLAVE) -DIMM -ZOOM/FOCUS -DAY/NIGHT

Question 27

VEHICLE CONTROL PANEL

Answer 27

PROVIDES WEAPON SELECTION, ARMAMENT AND MODE OF CONTROL -WEAPON SELECTION: LTM, CANNON, COAX -CANNON CONTROL: ARM, FEED SELECTION -CANNON FIRE MODE: SINGLE, BURST, CONTINUOUS -COAX CONTROLS: ARM AND COCK -POWER: ON/OFF -SGL: ENABLE/DISABLE, SIDE SELECT, FIRE -MODE SELECT: SERVO, STAB

Question 28

VCDU

Answer 28

DISPLAYS IMAGERY AND UI FROM OBSERVATION SYSTEM, WEAPON AND TURRET STATUSES AND FIRE CONTROL INDICATORS

Question 29

VCDU WHAT DOES 4 BLUE SQUARES INDICATE?

Answer 29

SYSTEM IS CAPABLE OF AUTOMATIC TRACKING IN STAB MODE

Question 30

VCDU WHAT DOES 2 RED RINGS INDICATE? ORANGE RINGS?

Answer 30

2 RED RINGS= AUTO TRACKING IS ACTIVE AND LOCKED ON TARGET ORANGE RINGS= BREAK IN AUTO TRACKING

Question 31

VCDU HATCH INDICATOR COLORS

Answer 31

ORANGE=OPEN HATCH BLACK=FAULTY SENSOR GREY=CLOSED HATCH

Question 32

VCDU CANNON TRAVERSE INDICATORS

Answer 32

SOLID TEAL LINE=WS IN TRAVERSE DOTTED TEAL LINE= SLEOSS

Question 33

VCDU CANNON ELEVATION INDICATORS

Answer 33

SOLID WHITE LINE= WS IN ELEVATION DOTTED TEAL LINE=SLEOSS

Question 34

VCDU MET MAN

Answer 34

INDICATES EITHER MANUAL MET INPUT OR MET SENSOR MALFUNCTION

Question 35

VCDU ARMAMENT SELECTION

Answer 35

DARK TEAL INDICATES ARMAMENT SELECTION

Question 36

VCDU CANNON INDICATORS

Answer 36

GREEN BULLET=ARMED AND READY TO FIRE RED BULLET=ARMED NOT READY GREY BULLET=NOT ARMED YELLOW SHIELD=MECHANICAL SAFE IS ENGAGED YELLOW HEAT WAVES=HOT GUN STATUS A/B= LEFT OR RIGHT AMMO TRACK SELECTION ALSO INDICATES AMMO TYPE AND AMOUNT

Question 37

VCDU COAX INDICATORS

Answer 37

GREEN BULLETS=ARMED AND READY TO FIRE RED BULLETS=ARMED NOT READY GREY BULLETS=NOT ARMED MORE THEN 30 RDS= 'LOW' WRITTEN IN WHITE LESS THAN 30 RDS= 'LOW' WRITTEN IN RED EMPTY= 'NO AMMO' IN RED AMMO FILL BAR=TEAL BAR INDICATOR

Question 38

VCDU LTM INDICATORS

Answer 38

INDICATES VIS AIM (HIGH/LOW), NIR (HIGH/LOW) OR EYE SAFE YELLOW WARNING INDICATES NON-EYE SAFE MODE

Question 39

VCDU SGL

Answer 39

GREEN SMOKE=ARMED AND READY TO FIRE RED SMOKE=ARMED NOT READY GREY SMOKE=NOT ARMED ORANGE CIRCLES INDICATED PRESENT AMMO LEFT/RIGHT SIDE SELECTION

Question 40

VCDU MENUS

Answer 40

OPERATIONS= CAMERA ADJUST SETTINGS, IR SETTINGS, ADD AMMO, LTM SETTINGS, ABM SELECTION, AB SELECTION GO TO= 3 PRE-SET TURRET DESTINATIONS HOME: 0/0 TRAVERSE AND ELEVATION GUN LOAD/COAX LOAD: USER SELECTED TURRET POSITIONS FOR AMMO LOADING MAINTENANCE DIAGNOSTICS SYSTEM

Question 41

SERVO VS STAB

Answer 41

SERVO= SATIONARY ENGAGEMENTS, ADMINSTRATIVE AND MAINTENANCE ACTIVITIES STAB=USED FOR ACCURATE FIRING WHILE MOVING OR AT MOVING TARGETS. BRS DEACTIVATED. REQUIRED FOR ATT AND LEAD (PURPLE TRIANGLE)