XS series operating manual 
 
XS user manual v0.55  - 92 - 
12 Input output Interfaces  
 
 
 Input-Output for Programmable Logic Controller Interface (PLC) 
 
This option gives a functional control of the measurement unit by a Programmable Logic Controller 
system. 
 
WARNING  
The PLC interface must be selected in the SETUP menu, line INTERFACE :PLC 
 
Electrical specifications  
 
 
INPUTS :  
 
  Number    : 7 
  Type     : Optoelectronic 
  Input resistance  : 1.5 kohms 
  Minimum voltage  : 11 VDC or 8 VAC 
  Maximum voltage  : 43 VDC or 30 VAC 
 
OUTPUTS: 
 
  Number    : 5 
  Type    : Dry contacts  
  Maximum voltage : 70 VDC 
  Switching rating  : 30W 
  Maximum current : 0.15 ADC 
 
 
 
Description of the logical states 
 
Input : 
  Logical state HIGH : DC or AC voltage with an amplitude between Umin and Umax. 
  Logical state LOW : no voltage. 
 
Output :  
  Logical state HIGH : closed contact. 
  Logical state LOW : opened contact.   
.