Explanation about JP：
JP1：
1-2shorted：Input +5V/50mA signal
2-3shorted：Input +10V/10mA signal
JP2：
1-2 shorted：AO1input voltage signal
2-3 shorted：AO1 input current signal
JP3：
1-2 shorted：AO2 input voltage signal
2-3 shorted：AO2 input current signal
Duxe.ru VICSION VS500 19
JP1 JP2 JP3
VS500 series of general purpose inverter Duxe.ru
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