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51nano: Electronics Type H

Electronic features for 51nano electronics type H

 Electronics Type H      
Supply voltage (5 V version)+5 ± 0.2 V       
Supply voltage (12 V version)+12 ± 0.5 V      
Laser diode operation modeconstant power      
Current consumption max.*260 mA      
Max. modulation frequency analog100 kHz      
Max. modulation frequency TTL100 kHz      
Laser output power potentiometer< 1 - 100 %      
TTL modulation logic: TTL highLaser ON      
TTL or analog input: open or lowLaser OFF      
Analog control voltage Pmin to Pmax0 ... 2.5 V      
Modulation input resistance [Ohm]22 k      
Cable Type3x AWG 26 C UL      
* Typical value. Depends on laser diode        

Pinout for 5 V Version

Pin-out

Circular connector Lumberg SV30 (IEC 61076-2-106) for power supply and external modulation ­(pins Uanalog and UTTL).
Cable shielding and casing are connected and are galva­nically isolated from the laser diode and the electronics.

CableConn.      
black1GND     
red2+ 5 V     
brown3n.c.     
shieldcasefunctional earth     
        
        
        
        

Pinout for 12 V Version

Pin-out

Circular connector Lumberg SV40 (IEC-60130-9) for power supply and external modulation ­(pins Uanalog and UTTL).
Cable shielding and casing are connected and are galva­nically decoupled from the laser diode and the electronics.
CableConn. 
black1GND
red2+12 V
 3n.c.
 4n.c.
shieldcasefunctional earth

Modulation for 5V/12V Version

Modulation

The laser has two AND-wired modulation input channels, Uanalog  and UTTL.

Modulation 2.5V

Connecting analog voltage

The input for analog modulation allows applying an analog voltage Uanalog in a range from 0 V to 2.5 V) which allows a linear control of the laser output power from approximately zero up to the maximum power given by the potentiometer setting.

Timing 2.5V

Timing diagram

The laser is OFF in case of an open modulation input. If only one modulation input channel is used, the other has to be set to +5 V.

The voltage Uanalog at analog modulation input  linearly controles the laser output power between ≤1 % and 100 % of the optical power set with the potentiometer.