Hitachi Microscope & Magnifier S-3400N User Manual

6.3    Specification of S-3400N External Communication (Option) 

6 - 18 

 

 

Acceleration voltage setting 

 

 

SetVacc ( Vacc as Long) as Long 

 

 

 

Vacc 

300 to 30000 :    0.3 – 30.0 (kV)   
  0.1kV unit at 10 to 30kV 
  0.01kV unit at 0.3 to 9.99kV 

 

 

 

Return 

0: Normal receiving 

 

 

 

 

Excluding 0: Abnormal receiving 

 

 

 

Comment: 

The method is finished at completion of 
command analysis. 
The completion of acceleration voltage 
setting is notified by the VaccFinished event. 
If the return value is not 0, the VaccFinished 
event is not issued. 
Please do not use other method until 
receiving the VaccFinished event. 

 
 Event 
  HV 

changing 

 

 

HVOnChange (HVOn as Long) 

   

HVOn  0: 

HV–OFF 

   

 

1: 

HV-ON 

 
 

 

Acceleration voltage changing 

 

 

VaccChange (Vacc as Long) 

   

Vacc 

0: 

HV–OFF 

 

 

 

 

300 to 30000 :    0.3 – 30.0 (kV) 

 

 

 

Comment: 

The event is not generated during the 
voltage increasing or decreasing.