apfiff09 marine vacon • 924-3Jumper block X3:CMA and CMB groundingCMB connected to GNDCMA connected to GNDCMB isolated from GNDCMA isolated from GNDCMB and CMAinternally connected together,isolated from GND= Factory default3. CONTROL I/ONXOPTA1Terminal Signal Description1 +10Vref Reference voltage output Voltage for potentiometer, etc.2 AI1+ Analogue input 1.Range 0-10V, Ri = 200kRange 0-20 mA Ri = 250Analogue input 1 frequency reference.Input range selected by jumpers.Default range: Voltage 0 10 V3 AI1- I/O Ground Ground for reference and controls4 AI2+ Analogue input 2.Range 0-10V, Ri = 200kRange 0-20 mA Ri = 250Analogue input 2 frequency referenceInput range selected by jumpers.Default range: Current 0 20 mA5 AI2-6 +24V Control voltage output Voltage for switches, etc. max 0.1 A7 GND I/O ground Ground for reference and controls8 DIN1 Start forwardProgrammable G2.2.7Contact closed = start forwardProgrammable start logic P2.2.19 DIN2 Start reverseProgrammable G2.2.7Contact closed = start reverseProgrammable logic P2.2.110 DIN3 Fault resetProgrammable G2.2.7Contact open = no faultContact closed = fault11 CMA Common for DIN 1 DIN 3 Connect to GND or +24V12 +24V Control voltage output Voltage for switches (see #6)13 GND I/O ground Ground for reference and controls14 DIN4 Programmable G2.2.7 No function defined at default15 DIN5 Programmable G2.2.7 No function defined at default16 DIN6 Programmable G2.2.7 No function defined at default17 CMB Common for DIN4 DIN6 Connect to GND or +24V18 AOA1+ Analogue output 1Programmable P2.3.1.2Output range selected by jumpers.Range 0 20 mA. RL, max. 500Range 0 10 V. RL > 1k19 AOA1-20 DOA1 Digital output ProgrammableOpen collector, I50mA, U48 VDCNXOPTA221 RO1 Relay output 1Programmable G2.3.3Switching capacity24 VCD / 8 A250 VAC / 8 A125 VDC / 0.4 A22 RO123 RO124 RO2 Relay output 2Programmable G2.3.3ProgrammableNo function defined at default25 RO226 RO2Table 3-1. Marine application default I/O configuration andconnection example.Note: See Users Manual, chapter Control Connections, for hardware specification andconfiguration.Note: See jumper selections below.More information in Vacon NX User'sManual, Chapter 6.2.2.2.220VACReference potentiometer,mA