4.2 CONTROL I/O1623451819201271389101415162122231117242526mABasic reference(optional)RUNREADY AO1-DO1+24 VGNDGNDDIN1DIN2DIN3DIN4DIN5DIN6R O1R O1R O1CMACMBR O2R O2R O2OPTA1OPTA2 /OPTA3 *)Terminal Signal Description+10VrefAI1+AI1-AI2+AI2-+24VReference outputI/O GroundAnalogue input 2.Current range0—20mAProgrammable(P2.1.11)Control voltage outputI/O groundStart forwardProgrammable logic (P2.2.1)Start reverseRi min = 5 kΩExternal fault inputProgrammable (P2.2.2)Preset speed select 1Preset speed select 2Preset speed select 3Common for DIN 1—DIN 3Common for DIN4—DIN6Control voltage outputI/O groundAnalogue output 1:Output frequencyProgrammable (P2.3.2)Digital outputREADYProgrammable (P2.3.7)Open collector,I≤50 mA, U≤48 VDCRelay output 1RUNProgrammable ProgrammableProgrammable(P2.3.8)Relay output 2FAULTProgrammable(P2.3.9)Range 0—20 mA/RL,max. 500 ΩAO1+Analogue input 1frequency referenceGround for referenceand controlsAnalogue input 2frequency referenceDefault referenceContact closed = start forwardContact closed = start reverseContact open = no faultContact closed = faultReference potentiometer,1-10kΩVoltage for potentiometer, etc.Analogue input 1.Voltage range 0—10V DCVoltage for switches,etc. max 0.1 AVoltage for switches (see #6)Connect to GND or +24 VConnect to GND or +24 VGround for reference and controlsGround for reference and controlssel1 sel2 sel3 sel4(with DIN3)0 0 0 0 I/O ref1 0 0 0 Speed 10 1 0 0 Speed 2---- -------1 1 1 1 Speed 15Fig. 10: Multi-step speed control application default I/O configurationVACON · 64 MULTI-STEP SPEED CONTROL APPLICATION4 LOCAL CONTACTS: HTTP://DRIVES.DANFOSS.COM/DANFOSS-DRIVES/LOCAL-CONTACTS/