Set I23 and I24 to 18 and 19 to define P7 and P8 as External A contact and B contact.
External trip signal input A contact (N.O.): Normal open contact input. When a P7 terminal set to “Ext
trip-A” is ON (Closed), inverter displays the fault and turns off its output.
External trip signal input B contact (N.C.): Normal close contact input. When a P8 terminal set to “Ext
trip-B” is OFF (Open), inverter displays the fault and turns off its output.