User Manual
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error  message  “SYNC  OFF”  is  shown  when  the  slave  is  not  receiving  the 
synchronous output OFF signal. 
4.9  External Tuning Setting 
Models XLN3640/XLN6024/XLN8018/XLN10014 provides the  capability to 
control the output voltages by an external voltage/resistance. The range of the 
external voltage is in 0 - 10 VDC or 0 - 5 VDC and the range of the external 
variable resistance is between 0 - 5 kΩ to control the output voltage (0 - 36 V for 
XLN3640, 0 - 60 V for XLN6024, 0 - 80 V for XLN8018, and 0 - 100 V for 
XLN10014)  and  the  output  current  (0  -  40  A  for  XLN3640,  0  -  24  A  for 
XLN6024, 0 - 18 A for XLN8018, and 0 - 14.4 A for XLN10014). The wirings 
of the external control are shown in the following figure. 
The  external  voltage  control  or  external  resistance  control  can  be  set  in  the 
“system  setting”  screen.  Since  the  external  control  circuit  uses  a  12bit  D/A 
converter for 0 - 36 V for XLN3640 (or 0 - 60 V for XLN6024 or 0 - 80 V for 
XLN8018 or 0 - 100 V for XLN10014) output voltage and 0 - 40A for XLN3640 
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