Emerson Fincor 2330MKII Series - User Manual

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BOOK 0958-B

Series 2330MKII

Single-Phase

Adjustable-Speed

DC Motor Controllers

(1/6 – 3 HP)

Control Techniques

3750 East Market Street

York, PA 17402-2798

717-751-4200, FAX 717-751-4263

www.fincor.net

Get other manuals https://www.bkmanuals.com

Questions and Answers

J
Jill TateAug 4, 2025
How to troubleshoot Emerson Fincor 2330MKII when motor won’t start?
- C
  clarktanyaAug 5, 2025
  If the motor won’t start with the Emerson Controller, first ensure the rated AC line voltage is applied to the controller. Check that the operator controls are functioning correctly and connected properly. Verify that a wire jumper or switch connects E1 to E2, closing the circuit. Try initiating a Stop command and then a Start command to reset the controller. Make sure +24 VDC is applied to Terminal TB2 8 to enable the controller. Check for a 0 - 10 VDC speed reference signal. Turn the ACCEL and CUR LMT potentiometers fully counterclockwise (100%). Check the motor shunt field and associated circuitry for a loose connection or a broken wire. Repair or replace the motor if it has failed, or replace the control board if it has failed.
H
Heather FigueroaAug 18, 2025
What to do if Emerson Fincor 2330MKII Controller line fuse blows?
- D
  David MillerAug 19, 2025
  If the Emerson Controller line fuse blows when AC line power is applied, it could be due to several reasons. First, check all external wiring terminating in the controller and correct any faults. It's also possible there's a circuit, component, or wiring grounded, which needs to be removed. Other potential causes include shorted SCR1, SCR2, SCR3, or SCR4; a shorted Bridge Diode D1b; a shorted Varistor RV1; shorted Shunt Field Diodes D39, D40, D41, or D42; a shorted or grounded motor shunt field; or a control board failure. Replace the shorted components or the control board as necessary and repair or replace the motor if the shunt field is shorted or grounded.

Summary

WARNING

GENERAL INFORMATION

INTRODUCTION

Overview of the manual's content and purpose.

GENERAL DESCRIPTION

Describes the Series 2330 MKII Controllers and their compliance standards.

MODEL TYPES

Details the different models available in the Series 2330 MKII.

MOTOR SELECTION

Guidance on selecting appropriate DC motors for the controllers.

INSTALLATION

INSTALLATION GUIDELINES

General recommendations for controller mounting, environment, and construction.

INSTALLING THE CONTROLLER

Step-by-step instructions for physically installing the controller unit.

INITIAL STARTUP

OPERATION

POWER ON;OFF

Procedures for energizing and de-energizing the controller.

RUN, STOP, AND JOG

Instructions for starting, stopping, and momentary operation of the motor.

SPEED AND TORQUE CONTROL

How to adjust motor speed and torque using controls and signals.

REVERSE AND MONITORING

Procedures for reversing motor direction and monitoring load/status.

MAINTENANCE AND REPAIR

GENERAL

General guidance on keeping the controller clean and checking connections.

ADJUSTMENT INSTRUCTIONS

Procedures for setting acceleration, deceleration, speed, and torque.

MINIMUM SPEED

How to set the minimum operational speed of the motor.

CURRENT LIMIT

How to set and understand the motor current limit.

TACHOMETER FEEDBACK SETUP

Instructions for configuring tachometer feedback for speed regulation.

RATINGS AND SPECIFICATIONS

RATINGS

Lists key performance and electrical ratings of the controllers.

OPERATING CONDITIONS

Environmental and operational limits for controller use.

PERFORMANCE CHARACTERISTICS

Information on speed range, efficiency, and regulation.

ADJUSTMENTS

Procedures for setting acceleration, deceleration, speed, and torque.

SPECIFICATIONS

Details on electrical protection, auxiliary contacts, and field supply.

SELECTABLE CAPABILITIES

User-selectable modes like line starting and tachometer feedback.

PARTS LIST

DRAWINGS

Emerson Fincor 2330MKII Series Specifications

General

Series	2330MKII
Input Frequency	50/60 Hz
Enclosure Rating	NEMA 1
Type	Controller
Control Modes	Open Loop
Communication Interface	RS-485
Operating Temperature	0 to 40°C
Humidity	95% non-condensing
Input Voltage	115/230 VAC
Storage Temperature	-25 to 55°C