Sensor LCU

LCU Configuration

E
S
O

O
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l
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Board

Supplier

Number

CPU

Motorola MVME 2604 (PowerPC, 333 MHz, 32/64MB)

1

Time Interface

ESO TIM

1

Digital I/O Interface

Acromag AVME 9481

1

STRAP VME control board

Microgate

1

TCCD boards

LIB (INMOS BO16) + LAB

1

28V power supply for TCCD

Kniel CP28.2

1

Motion Controller

MACCON MAC4-INC

1

Servo Amplifier

ESO VME4SA-01

1

+5V +/-15V Supply

KNIEL CPM 101

1

This ICD specifies to use the couple ESO VME4SA servo amplifier and MACCON MAC4-INC motion controller (both supplied by ESO) for the implementation of the control of the FSS Filter Wheel, FSS Field Diaphragm and the FSS Translation Stage X- & Y-axes.

 

This LCU is responsible for:

Device

Terminal Block

FSS Filter Wheel

Z12

FSS Translation Stage

Z16 & Z17

E
S
O

The field acquisition system, the field stabilization system and the M6 drives and the Field Diaphragm as shown on the Figure below belong to the ESO delivery. There is for those parts only a mechanical interface existing (see 6.3).

E
S
O

O
n
l
y

Device

Connection

Field Acquisition System (FAS)

Y31

Field Stabilization System (FSS)

See [AD 03]

M6 (to be replaced by Deformable Mirror)

Y33

FSS Field Diaphragm

Y34

Flow Meter

Y35

Power Supplies +5VDC +/-15VDC & 28VDC

Y31

Future Device

 

M6 Deformable Mirror

Adaptive Optics LCU

Cooling Monitor:

For safety and maintenance purpose, a flow-meter is installed in the liquid cooling circuit. This device can detect rapidly any leak or obstruction in the cooling pipes.

Schematic:

[Sensor LCU]

Last modified: Mon Dec 18 11:33:18 MET 2000