FSS Filter Wheel

E
S
O
The motor control is a pure SW interface: the target position and Velocity are passed to the Motion Controller via the VME bus. The motor control software is provided by ESO.

FSS Filter Wheel interfaces:

The connection layout and pin assignment is given in Annex 1 VLT-DWG-ESO-15154-1787

Item
From
To
Signal
Description
MOTOR: Minimotor DC Brush 2233-024S
24VDC, 2.53W gear 29.6 + worm gear 180:1
1 LCU ATS Motor M+ VME4SA Servo Amplifier Channel #1
2 LCU ATS Motor M- VME4SA Servo Amplifier Channel #1
3     Shield MSH  
TACHOGENERATOR: Minimotor 1.5 G
1.5mV / rpm
4 ATS LCU Tacho T+ VME4SA Servo Amplifier Channel #1
5 ATS LCU Tacho T- VME4SA Servo Amplifier Channel #1
6     Shield TSH  
ENCODER: Minimotor Optical HP HEDL 5540-500
5 VDC - 500 lines/turn - Resolution in Quadrature = 29600 counts/degree = 0.12"/count
7 LCU ATS Encoder 5V VCC MAC4-INC Motion Controller Channel #1
8 LCU ATS Encoder GND MAC4-INC Motion Controller Channel #1
10 ATS LCU Encoder A+ Differential line driver A+
MAC4-INC Motion Controller Channel #1
11 ATS LCU Encoder A- Differential line driver A-
MAC4-INC Motion Controller Channel #1
13 ATS LCU Encoder B+ Differential line driver B+
MAC4-INC Motion Controller Channel #1
14 ATS LCU Encoder B- Differential line driver B-
MAC4-INC Motion Controller Channel #1
16 ATS LCU Encoder I+ Differential line driver I+
MAC4-INC Motion Controller Channel #1
17 ATS LCU Encoder I- Differential line driver I-
MAC4-INC Motion Controller Channel #1
18     Shield   
SWITCHES: Micromat KS35A11
24V, 4A max. - Repeatability=0.03degree
19 ATS LCU Reference switch (NC) MAC4-INC Motion Controller Channel #1
20 ATS LCU Reference switch(COM) MAC4-INC Motion Controller Channel #1
21     Shield   
25     Global shield  PE
 

Last modified: Wed Jan 150 10:20:44 MET 2003