Baldor MN735 manual Epot Connection Diagram

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5 – EPOT 2 Wire Mode (Electronic Potentiometer)

In EPOT 2 wire mode, the control is operated by the opto isolated inputs and the analog command input. The opto inputs can be switches as shown in Figure 3-11 or logic signals from another device.

Figure 3-11 EPOT Connection Diagram

Note:

Decrease

Speed Command = Analog1 + Analog2 + EPOT

Increase

 

Analog Input 1 = 0–10VDC Setpoint

Run REV

Run FWD

Analog Input 2 = 4–20mA Setpoint

+24VDC

 

 

Speed Output

 

Pot Reference

 

Analog Input 2

10KW Pot or

Analog Input 1

 

0-10VDC

Analog GND

Fault

10

9

8

7

6

5

4

3

2

1

RLY1A

RLY1B

1Analog GND. Reference for analog inputs.

2Setpoint 0–10VDC. Single ended analog voltage input, referenced to 1.

3Setpoint 4–20mA. Single ended analog current input, referenced to 1.

4+10VDC reference voltage for potentiometer.

5Analog output that represents the commanded speed output.

6+24VDC for Optical Inputs power.

7CLOSED starts motor operation in the Forward direction.

8CLOSED starts motor operation in the Reverse direction.

9Momentary CLOSED increases motor speed while contact is closed.

10Momentary CLOSED decreases motor speed while contact is closed. RLY1 Digital output that represents the fault status.

3–16 Receiving & Installation

MN735

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Contents MN735 Series 35D Inverter ControlTable of Contents Appendix B Appendix aSection Quick Start Power and Motor ConnectionsSize 1 and 3 Terminal Strips Remote ModeThermistor Connection to motor thermistor Power Connection DescriptionsTerminal Signal Name Description Range Analog/Digital Signal DescriptionsSection General Information Limited WarrantyProduct Notice Intended use Could result in damage to propertyOn next Precautions To prevent equipment damage, be certain that the input power Section Receiving & Installation Receiving & InspectionLocation and Mounting Inverter Sizes Watts Loss Ratings Catalog No Output CurrentPower Conditioning Input Power ConditioningUngrounded Distribution System Impedance + Clamp Terminal Unshielded and Shielded CouplingsAWG MM2 Wire SizePower Connection Descriptions Power and Ground Connections Size 2 Shown Resistance thresholds are Rising temperature trip resistance One control to PE Receiving & Installation MN735 External Brake Resistor Keypad Connection Diagram Keypad Mode Standard Run Connection Diagram Standard Run 3 Wire ModeRelated Parameters Speed 2 Wire Mode10 Epot Connection Diagram 11 Epot Connection Diagram 12 PID Connection Diagram PID 2 Wire ModeReceiving & Installation MN735 Keypad Description Section Start-Up and OperationDiagnostics Menu DisplayDrive Status Indications shown on keypad Menu Level Reset to Factory Settings 2 button Reset Select Local or RemoteRemote to Local Quick Application Selection Password ProtectionParameter Definitions Display Parameter Description Range Factory SettingDisplay Parameter Description Range PI P Gain Analog Output Relay Invert =FALSE =TRUE Method for Setting-up the PI Gains Proportional Gain P501Integral P502 Current Power Dependent Parameters Inverter Size Factory SettingPackaging Routine MaintenanceSaving Your Application Data Material Recycle DisposalSection Troubleshooting Reset a TripTrips DC Link Ripple General FailuresGeneral Specifications Section Specifications & Product DataControl Specifications Keypad DisplayAnalog Inputs Ratings Catalog Analog OutputsDigital Inputs Relay OutputDimensions Appendix a Dynamic Brake Size 1 and 2 230VAC 1 PhaseSize 3 230VAC 3 Phase 460VAC 3 Phase Controls Size 2 and 3 460VACTable A-1 External Brake Resistor Selection EMC Conformity and CE Marking Wiring of Shielded Screened CablesAppendix B CE Guidelines CE Declaration of ConformityCabinet EMC Wiring TechniqueCable Screens Grounding EMC Installation InstructionsInput Signal Cable Grounding Date 1/5/02 EC Declarations of Conformity Standard EMC DirectiveTion CE Guidelines MN735  Baldor Electric Company MN735 02 C&J Box Ft. Smith, AR 479 Fax 479