Specifications
E-500/E-501 Series PZT Servo Controllers   User Manual PZ 62E 
Release 2.15.1  www.pi.ws   Page 20 
5.3.  E-503 3-Channel Piezo Amplifier 
  DANGER 
High Voltage! 
The E-503 amplifier can output up to 130 V. Touching this High Voltage can result in serious 
or even lethal injury due to electric shock. 
  Only authorized and qualified personnel must install, operate, maintain and clean the E-
503 amplifier. 
  Operate a piezo actuator on a “PZT” socket only when it is connected to a protective earth 
conductor. 
5.3.1.  Front Panel Elements 
Fig. 5: E-503.00 amplifier module  
Fig. 6: E-503.00S amplifier module  
Labeling  Type  Function 
POWER 
LED 
Green/off 
Amplifier state: 
  Green: E-503 is ready for normal operation. 
  Off: The E-500/E-501 system is switched off. 
PZT   
-30 to 130 V 
LEMO 
ERA.00.250.CTL 
Output of the piezo voltage for the piezo actuator in the stage. 
Voltage in the range of -30 to 130 V. 
E-503.00S only: 
PZT 
100 V 
LEMO 
ERA.00.250.CTL 
Output of the piezo voltage for the piezo actuator in the stage. 
Fixed voltage of 100 V for piezo tip/tilt stages. 
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