DOC-0017-04-EN: AC20 Series - Hardware Installation Manual         
146 (154)  DOC-0017-04-EN-A 22.03.2023  
 Digital Output 
Minimum Output 
18V @ 50mA 
Maximum Output 
Current: 
Note: Total consumption of all Base Control Board Digital Outputs DX1, 
DX2, DX3, User +24V Output, and Option Card DX11 must not exceed 
120mA. 
Short Circuit Protection: 
 
 +10V Reference Voltage Output 
Current: 
± 10mA 
Accuracy: 
10V ±360mV (Typically 150mV) 
Isolated: 
Over Current Protection: 
Note: If there is a short circuit on the +10V reference output, the -10V 
supply will collapse.  
 
 -10V Reference Voltage Output 
Terminal Idents: 
Maximum Output 
± 10mA 
-10V ±560mV (Typically 200mV) 
Over Current Protection: 
Note: If there is a short circuit on the -10V reference output, the +10V 
supply will still be active.