1. Virgilio Mattoli July/20/04 CRIMpag 1/5 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

2. Virgilio Mattoli July/20/04 CRIMpag 2/5 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 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f1f 1f1f 1f1f 1f1f 1f1f 5V Trig OUT An0 Input An1 Input An2 Input PWM OUT Serial RS232 DB9 Connector (Female) 12345 6789 PC-TX PC-RXPC-GND RS 232 Out RS 232 In

3. Microcontroller Module (2/2) Virgilio Mattoli July/20/04 CRIMpag 3/5 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

4. Displacement Module Virgilio Mattoli July/20/04 CRIMpag 4/5 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 μf 2K GND (Isolated from Micro Module) 12V (Isolated from Micro Module) 300R 0,1 μf To the COIL (Inductive Load) 1R – Power (> 5W) - 15V (Isolated from Micro Module) - 15V (Isolated …) 0,22 μf 1R 100 K GND (Isolated …) Jumper for safety start up Open after PWM activation!!! GND (Isolated …) Potentiometer for offset regulation

5. Force Transducer Module Virgilio Mattoli July/20/04 CRIMpag 5/5 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