Baldor MN735 manual Epot Connection Diagram

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4 – EPOT 3 Wire Mode (Electronic Potentiometer)

In EPOT 3 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 3-10 or logic signals from another device.

Figure 3-10 EPOT Connection Diagram

Note:

Speed Command = Analog1 + Analog2 + EPOT

Analog Input 1 = 0–10VDC Setpoint

Analog Input 2 = 4–20mA Setpoint

10KW Pot or

0-10VDC

Decrease

Increase

Stop

Run FWD

+24VDC

Speed Output

Pot Reference

Analog Input 2

Analog Input 1

Analog GND

10

9

8

7

6

5

4

3

2

1

Fault

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.

7Momentary CLOSED starts motor operation in the Forward direction.

8Momentary OPEN motor decels to stop.

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.

MN735

Receiving & Installation 3–15

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Contents Series 35D Inverter Control MN735Table of Contents Appendix a Appendix BPower and Motor Connections Section Quick StartRemote Mode Size 1 and 3 Terminal StripsPower Connection Descriptions Thermistor Connection to motor thermistorAnalog/Digital Signal Descriptions Terminal Signal Name Description RangeLimited Warranty Section General InformationOn next Product Notice Intended useCould result in damage to property Precautions To prevent equipment damage, be certain that the input power Location and Mounting Section Receiving & InstallationReceiving & Inspection Watts Loss Ratings Catalog No Output Current Inverter SizesUngrounded Distribution System Power ConditioningInput Power Conditioning Impedance + Unshielded and Shielded Couplings Clamp TerminalWire Size AWG MM2Power 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 Mode Keypad Connection DiagramStandard Run 3 Wire Mode Standard Run Connection DiagramSpeed 2 Wire Mode Related Parameters10 Epot Connection Diagram 11 Epot Connection Diagram PID 2 Wire Mode 12 PID Connection DiagramReceiving & Installation MN735 Section Start-Up and Operation Keypad DescriptionDrive Status Indications shown on keypad Diagnostics MenuDisplay Menu Level Remote to Local Reset to Factory Settings 2 button ResetSelect Local or Remote Password Protection Quick Application SelectionDisplay Parameter Description Range Factory Setting Parameter DefinitionsDisplay Parameter Description Range PI P Gain Analog Output Relay Invert =FALSE =TRUE Integral P502 Method for Setting-up the PI GainsProportional Gain P501 Power Dependent Parameters Inverter Size Factory Setting CurrentMaterial Recycle Disposal Routine MaintenanceSaving Your Application Data PackagingTrips Section TroubleshootingReset a Trip General Failures DC Link RippleSection Specifications & Product Data General SpecificationsAnalog Inputs Control SpecificationsKeypad Display Relay Output Analog OutputsDigital Inputs Ratings CatalogDimensions 460VAC 3 Phase Controls Size 2 and 3 460VAC Size 1 and 2 230VAC 1 PhaseSize 3 230VAC 3 Phase Appendix a Dynamic BrakeTable A-1 External Brake Resistor Selection CE Declaration of Conformity Wiring of Shielded Screened CablesAppendix B CE Guidelines EMC Conformity and CE MarkingEMC Wiring Technique CabinetEMC Installation Instructions Cable Screens GroundingInput Signal Cable Grounding Tion Date 1/5/02 EC Declarations of ConformityStandard EMC Directive CE Guidelines MN735 Box Ft. Smith, AR 479 Fax 479  Baldor Electric Company MN735 02 C&J