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Telemecanique Altivar 56 manual - Northern Industrial

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Bulletin No. 50006-519-01BDecember 1996Chapter 2 — WiringControl Circuit Diagrams2-Wire Control withIsolation Contactor on LineSide (Coast to Stop)InternalControlPowerL3L2L1F1-F3Existinguser supply,or as shownF8T1F7F9+24LI4LI3LI2LI1AI20-20 mA4-20 mAR1[1]F11 F10+ –+10A1KeypadConnector –W/T3 U/T1LOP LO2 LO1 COM AO2 AO1 COM R2C R2B R1C R1B V/T2 PB PAAI1COMCL2CL1L3L2KM1L1+AHzR2AR1AW1V1U1KM1TSIsolationClosedKM1IsolationOpenM13ø[1]Add F10 and F11 fuses if tap conductor protection is required. The CL1 and CL2 inputs of all ATV<strong>56</strong> drive controllers are internally protected and require no external fusing.Figure 20: 2-Wire Control Circuit Diagram with Isolation ContactorFigure 20 is a 2-wire control circuit diagram with an isolation contactor on the lineside. It shows how to connect a branch circuit disconnect device and protectivefusing to the drive controller. Additional sequencing logic may be required. Referto Tables 11 to 15 on pages 30-32 for additional equipment required.The maximum number of operations of the KM1 contactor should not exceed oneper minute for the ATV<strong>56</strong>U41N4 to ATV<strong>56</strong>D79N4 and ATV<strong>56</strong>U41M2 toATV<strong>56</strong>D46M2 drive controllers.© 1996 Square D All Rights Reserved29ηττπ://νιχοντρολσ.χοm

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