Experimental Setup Overview

canolaokahumpkaElectronics - Devices

Nov 2, 2013 (3 years and 9 months ago)

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Virgilio Mattoli

July/20/04

CRIM

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5

Experimental Setup for Gauge
Measurement

Experimental Setup Overview

PC
-

Laptop

Microcontroller

Module

Amp

Power

Amp

Amp

Displacement

Actuator

Displacement

Transductor

Agilent 34401A


Precision Multimeter

4
-
Wire

resistance

measurement

Force

Transducer

Module

(with PreAmp)

RS232

Serial

Comm

RS232

Serial Comm

Ext.Trigger

Sensor

Displacement

Module

Virgilio Mattoli

July/20/04

CRIM

pag

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5

Experimental Setup

Microcontroller Module

Microcontroller Module (1/2)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

PIC18F252

100nf

27nf

27nf

10K

10 MHz

5V

RX

TX

820

Ω

Ch 2

Ch 1

Ch 0

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

MAX
232

Vcc

GND

T2in

R2out

C1+

V+

C1
-

C2+

C2
-

V
-

T2out

R2in

TTL

RS232

+

+

+

+

+

RS 232 In

RS 232 Out

1
m
f

1
m
f

1
m
f

1
m
f

1
m
f

5V

Trig OUT

An0 Input

An1 Input

An2 Input

PWM OUT

Serial RS232

DB9 Connector (Female)

1

2

3

4

5

6

7

8

9

PC
-
TX

PC
-
RX

PC
-
GND

RS 232 Out

RS 232 In

Microcontroller Module (2/2)

Virgilio Mattoli

July/20/04

CRIM

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Experimental Setup

Microcontroller Module

Connection with Displacement Module

Input for Opto Isolated Power Amp

_

+

X 10

LM6152

2K

18K

5V

An1 Input

200nf

4,7K

ConctN1

1

2

5V

_

+

X5

LM6152

2,2K

12K

An1 Input

200nf

4,7K

1

2

3

ConctN2

Connection with Ext. Trig. Of Agilent 34401A

TTL Output for trigger synchronization

Trig OUT

ConctN3

1

2

PWM OUT

ConctN4

1

2

Connection with

Force Transducer Module

Connection with Displacement Module

Displacement Transducer Conditioning

Displacement

Module

Virgilio Mattoli

July/20/04

CRIM

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Experimental Setup

Displacement Module

Optoisolator

6N137

1

2

3

4

8

7

6

5

To connect to ConctN4

1

2

PWM signal

1K

Displacement

Transducer

1

2

3

To connect

to ConctN2

15V (Isolated from

Micro Module)

_

+

LM675

1
μ
f

2K

GND (Isolated

from Micro Module)

12V (Isolated from

Micro Module)

300R

0,1
μ
f

To the COIL

(Inductive Load)

1R


Power

(> 5W)

-
15V (Isolated from

Micro Module)

-
15V

(Isolated …)

0,22
μ
f

1R

100 K

GND

(Isolated …)

Jumper for safety start up

Open after PWM activation!!!

GND

(Isolated …)

GND

(Isolated …)

Potentiometer for

offset regulation

Force

Transducer

Module

Virgilio Mattoli

July/20/04

CRIM

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5

Experimental Setup

Force

Transducer

Module

Force

Force

Transducer

To connect

to ConctN1

1

2

Signal Conditioner GM

by Sensortech

+Exc

-

Exc

+Signal

-

Signal

-

Output

+Output

L2NO

L2NC

L2Com

L1NC

L1NO

L1Com

Chassis

AC Lo

AC Hi

AC 110V @ 60Hz