CN18 TerminalSimbolDescriptionAddress
1 GAI Analog inputs common
2 IA1 Analog input 13.AI01
3 SEL1V Voltmetric 0÷10V analog input selector 1 1)
4 SEL1C Amperometric 0÷20mA analog input selector 1 2)
5 GAI Analog inputs common
6 IA2 Analog input 2 3.AI02
7 SEL2V Voltmetric 0÷10V analog input selector 2 3)
8 SEL2C Amperometric 0÷20mA analog input selector 2 4)
9 VREF Reference voltage
1), 3) If you connect this terminal on the GAI, the input work as voltmetric 0÷10V
2), 4) If you connect this terminal in the GAI, the inputs work as amprometric 0÷20mA