ALTER GM 140 Manual Download Page 7

    

GM 140 

   page    6  

of 12

                                                                                                                                  File: GM140_r0eng -  October 2003   -    Technical note: GM 140

    

GM 140 

   File: GM140_r0eng -  October 2003 - Technical note: GM 140                                                                                                                              

         

page     7  

of  12 

0 1

3

45

67

8

9

2

0 1 2

3

45

67

8

9

t

on

FREQ

0 2

3

45

67

8

9

1

0 1 2

3

45

67

8

9

t

on

FREQ

0 1 2

3

45

67

8

9

0 2

3

45

67

8

9

1

t

on

FREQ

0 1 2

3

45

67

8

9

0 1

3

45

67

8

9

2

t

on

FREQ

0 1 2

3

45

67

8

9

0 1 2

3

56

7

8

9

4

t

on

FREQ

Microwaves emission mode selection

You can select two different modes of microwaves 

emission: continuous or pulsed mode.

In pulsed mode you can drive pulses by:

- an external signal generator or
- FREQ and 

t

on

 switches on front panel added with two 

analog signals (internal generator).

Continuous:

Pin 5

CONN#3

CW/PULSE MODE

OFF

Pulsed, with external generator 

Pin 5

CONN#3

CW/PULSE MODE

ON

Pin 9-10

CONN#3

PULSE PATTERN

PWM: Amplitude 24 Vdc

t

on

=0.1÷10ms

t

off

=1÷100ms

Max Duty Cycle=20% 

(with hysteresis)

Pulsed, with internal generator

Pin 5

CONN#3

CW/PULSE MODE

ON

Pin 9-21

CONN#3

Pins connected (shortcircuited)

Pin 7-8

CONN#3

SET VALUE FOR FREQUENCY

See table below

0÷10Vdc / 9÷310Hz

Select FREQ=2

0÷10Vdc / 230÷4500Hz

Select FREQ=1

 

Pin 20-8

CONN#3

SET VALUE FOR 

t

on

See table below

0÷10Vdc / 60÷300

µ

S

Select 

t

on

=1

0÷10Vdc / 220

µ

S÷1.6mS

Select 

t

on

=2

0÷10Vdc / 1.2÷9.5mS

Select

 t

on

=4

           Frequency selection: 0÷10Vdc PIN 7, 8

 

 

Frequency: 9Hz÷310Hz

 

 

 

Frequency: 230Hz÷4500Hz

 

Different selection not allowed

           Time selection: 0÷10Vdc PIN 20, 8

 

 

Time: 60µs÷300µs

 

 

 

Time: 220µs÷1,6ms

 

 

 

Time: 1,2ms÷9,5ms

 

Different selection not allowed

Summary of Contents for GM 140

Page 1: ...GM 140 SWITCHING POWER GENERATOR WITH PULSED OUTPUT CAPABILITY FOR 0 9 KW MAGNETRON 1 5 KW PEAK POWER TECHNICAL NOTE Issue October 2003...

Page 2: ...he il Prodotto product name GM140 nome del prodotto GM140 model GM140T modello GM140T Complies with the following norms Soddisfa le seguenti norme EN 61010 1 1994 A2 1996 EN 61010 1993 A2 1995 EN55011...

Page 3: ...rd exists it shall take precedence over all aspects of this generic standard The equipments described in this manual have been clas sified as industrial scientific and medical ISM radio frequency equi...

Page 4: ...140 may drive the magnetron to reach peak power up to 1 5kWrf with a duty factor of 20 max corresponding to an average power of 300Wrf FRONT PANEL The front panel comprises the following see drw the e...

Page 5: ...y operations the following rules must be adopted I the equipment must be grounded by the connector CONN 1 using the pin n 4 see the wiring drawings at page 10 and 11 II the three phase main supply typ...

Page 6: ...r for pin15 13 GROUND 14 GROUND 15 24 V ISOL In External Insulated 24 Vdc 16 MICROWAVE IS ACTIVATED Out mirror for pin3 17 HIGH VOLTAGE IS ACTIVATED Out mirror for pin2 18 unused 19 MW MODULE IS READY...

Page 7: ...nuous Pin 5 CONN 3 CW PULSE MODE OFF Pulsed with external generator Pin 5 CONN 3 CW PULSE MODE ON Pin 9 10 CONN 3 PULSE PATTERN PWM Amplitude 24 Vdc ton 0 1 10ms toff 1 100ms Max Duty Cycle 20 with hy...

Page 8: ...remove the cover locate the interface board M284 see drawing next page pos 9 locate the fuse on the interface board replace the fuse with a new one with the same electrical characteristics install the...

Page 9: ...pin size lll MOCPCX 0662614 4 Female pin size lll MOCPCX 0667402 6 1 Power board M282 800000282 7 1 Filament transformer 42ATT230 004 8 1 Main filter FL20AY01 9 1 Interface board M284 800000284 1 Conn...

Page 10: ...GM 140 File GM140_r0eng October 2003 Technical note GM 140 page 9 of 12 Outside dimensions...

Page 11: ...GM 140 page 10 of 12 File GM140_r0eng October 2003 Technical note GM 140 Pin out of CONN 1 2 3 with external pulse pattern generator POWER STAGE ON IS ACTIVATED 24V...

Page 12: ...GM 140 File GM140_r0eng October 2003 Technical note GM 140 page 11 of 12 Pin out of CONN 1 2 3 with internal pulse pattern generator POWER STAGE ON IS ACTIVATED 24V...

Page 13: ...rved Technical Assistance Alter s r l 42100 Reggio Emilia ITALY Tel 39 0522 553 820 fax 39 0522 553 577 Web www altersystem com Alarms and warnings When the GM140 is turned on without alarms the ALARM...

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