GB - 14Installation and Connection3.4 Control Board Basic3.4.1 X2A Control Terminal Strip• Tightening torque 0.22…0.25 Nm (2 lb inches) X2A• Use shielded/drilled cables 1 5 7 8 10 11 14 15 16 20 22 24 25 26 27 28 29• Lay shield on one side of the inverter onto earthpotentialPIN Function Name Description1 + Setpoint input AN1+ Differential voltage input0…±10 V DC; Ri = 30 kΩProgrammable analog output 0…±10 V DC (max. 5 mA)5 Analog output AO1 Output of the actual output frequency0…±100 Hz => 0…±10 V DC (max. 5 mA)7 +10V output CRF Reference voltage for setpoint poti+10 V DC / max. 4 mA8 Analog ground COM Ground for analog in- and outputProgrammable digital inputs 13…30 V DC ±0 % smoothed Ri: 2.1 kΩ; scan time: 2 ms10 Fixed frequency 1 (CP.19) I1 I1 + I2 = fixed frequency 3 (CP.21)11 Fixed frequency 2 (CP.20) I214 Forward F Rotation selection15 Reverse R Forward has priority16 Control release / Reset ST Power modules are enabled; reset at opening20 24 V - output Uout Supply of the digital inputs (24 V DC/ max. 100 mA)22 Digital ground 0V Reference potential for digital inputs/outputsRelay outputs Load capacity max. 30 V DC / 0.01…1 A24 Relay 1 / NO contact RLA Programmable relay output (CP.31)Factory setting: Fault relay25 Relay1 / NC contact RLB26 Relay1 / switching contact RLC27 Relay 2 / NO contact FLA Programmable relay output (CP.32)Factory setting: Frequency denpendent switch28 Relay 2 / NC contact FLB29 Relay 2 / switching contact FLC