Rockwell Automation RELIANCE ELECTRIC DC3N Series Bedienungsanleitung

DC3N Non-Regenerative DC Drive

User Guide

1/4 to 2 HP, 115/230 VAC

Instruction Manual D2-3452-4

M/N DC3N-12D-00-010-AI

M/N DC3N-12D-4X-010-AI

Corcom is a trademark of CII Technologies.

Reliance is a trademark of Rockwell Automation.

The information in this manual is subject to change without

notice.

Throughout this manual, the following notes are used to alert

you to safety considerations:

ATTENTION: Identifies information about practices or

circumstances that can lead to personal injury or death,

property damage, or economic loss.



IMPORTANT: Identifies information that is critical for successful

application and understanding of the product.

ATTENTION: Only qualified personnel familiar with

the construction and operation of this equipment and

the hazards involved should install, adjust, operate,

and/or service this equipment. Read and understand

this instruction manual in its entirety before

proceeding. Failure to observe this precaution could

result in severe bodily injury or loss of life.

ATTENTION: The user is responsible for conforming

with all applicable local and national codes. Failure to

observe this precaution could result in severe bodily

injury or loss of life.

ATTENTION: The control circuit is at line potential

when the drive is energized. Use a non-metallic

screwdriver when making adjustments to the circuit

board potentiometers. Exercise extreme caution as

hazardous voltage exists. Failure to observe these

precautions could result in severe bodily injury or loss

of life.

ATTENTION: It is possible for a drive to run at full

speed as a result of a component failure. Please

ensure that a master switch has been placed in the

AC line to stop the drive in an emergency.

ATTENTION: Reduce the chance of an electrical fire,

shock, or explosion by proper grounding, over-current

protection, thermal protection and enclosure. Follow

sound maintenance procedures.



ii Safety Warnings

ATTENTION: Starting and stopping with the start/stop

terminals does not disconnect AC power in the stop

position. A hardwired AC power disconnection switch

must be mounted between the AC source and

terminals L I and L2. This is required, as the DC drive

does not have an armature loop contactor. A single

fault like a power device short may cause motor

rotation when in the stop mode. The user is

responsible for assuring safe conditions for operating

personnel by providing suitable guards, audio or

visual alarms, or other devices. Failure to observe

these precautions could result in bodily injury.

ATTENTION: This Drive contains ESD (Electric Static

Discharge) sensitive parts and assemblies, Static

control precautions are required when installing,

testing, servicing, or repairing this assembly. Failure to

observe these precautions could result in damage to,

or destruction of, the equipment.



Specifications 1

Dimensions and Layout 4

Installation 7

Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Shielding guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Chassis drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Isolation transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Heat sinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Line fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Speed adjust potentiometer . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Alternate speed adjust potentiometer connections . . . . . . . . .15

Cage-clamp terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Power input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Field output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

START/STOP pushbuttons . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Tachometer feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Voltage or current follower . . . . . . . . . . . . . . . . . . . . . . . . . . .24

Enclosed drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Heat sinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Line fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

Power input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Contents

iii

Field output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Tachometer feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

Voltage or current follower . . . . . . . . . . . . . . . . . . . . . . . . . . .32

Slide switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

LINE VOLTAGE (SW501 and SW502) . . . . . . . . . . . . . . . . . . . .33

MOTOR (SW503) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

SIGNAL (SW504) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

FEEDBACK (SW505) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

Operation 36

Before applying power (all models) . . . . . . . . . . . . . . . . . . . . . . . . .37

Drive operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Chassis drive operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

POWER ON start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Pushbutton start/stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Alternate Starting and Stopping Methods . . . . . . . . . . . . . . . . . .41

Minimum speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Dynamic braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

Dynamic brake resistor value . . . . . . . . . . . . . . . . . . . . . . . .43

Enclosed drive operating modes . . . . . . . . . . . . . . . . . . . . . . . . .45

Manual mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Auto mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Enclosed drive operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

To run the motor: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

To stop the motor: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Calibration 48

Drive Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

MIN SPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

MAX SPD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

CURRENT LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

IR COMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Approximate IR COMP calibration: . . . . . . . . . . . . . . . . . . . .55

ACCEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

iv Table of Contents

DECEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56

TACH VOLTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57

Application Notes 60

Multiple fixed speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Adjustable speeds using potentiometers in series . . . . . . . . . . . . .61

Independent adjustable speeds . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Reversing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

RUN/JOG switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Troubleshooting 67

Before troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

Diagnostic LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Terminal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Chassis drive terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Enclosed drive terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .77

CE Compliance 78

Exhibit “A” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

Armature Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

vTable of Contents

Tables

Table 1. Recommended Line Fuse Sizes . . . . . . . . . . . . . . . . . . . . . .13

Table 2. Field Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . .20

Table 3. Field Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . .29

Table 4. Minimum Recommended Dynamic Brake Resistor Values . .44

Table 5. Corcom® Filters www.corcom.com . . . . . . . . . . . . . . . . .79

Table 6. Armature Filters www.minarikcorp.com . . . . . . . . . . . . . .80

Figure 1. DC3N-12D-00-010-AI Dimensions . . . . . . . . . . . . . . . . . . . .4

Figure 2. DC3N-12D-4X-010-AI Dimensions . . . . . . . . . . . . . . . . . . . .5

Figure 3. PC Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Figure 4. Speed Adjust Potentiometer . . . . . . . . . . . . . . . . . . . . . . . .14

Figure 5. Cage-Clamp Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

Figure 6. DC3N-12D-00-010-AI Drive Connections . . . . . . . . . . . . . .23

Figure 7. DC3N-12D-00-010-AI Drive

Signal Follower Connection . . . . . . . . . . . . . . . . . . . . . . . .24

Figure 8. DC3N-12D-4X-010-AI Drive Connections . . . . . . . . . . . . . .31

Figure 9. Slide Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

Figure 10. Run/Decelerate to Minimum Speed Switch . . . . . . . . . . . .42

Figure 11. Dynamic Brake Connection . . . . . . . . . . . . . . . . . . . . . . . .44

Figure 12. Calibration Trimpot Layout . . . . . . . . . . . . . . . . . . . . . . . .49

Figure 13. Typical CURRENT LIMIT

and IR COMP Settings for DC3N drive

(actual settings may vary with each application) . . . . . . . .59

Figure 14. Multiple Fixed Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Figure 15. Adjustable Fixed Speeds Using

Potentiometers in Series . . . . . . . . . . . . . . . . . . . . . . . . . .61

Figure 16. Independent Adjustable Speeds . . . . . . . . . . . . . . . . . . . .62

Figure 17. Reversing Circuit Connection . . . . . . . . . . . . . . . . . . . . . .64

Figure 18. RUN/JOG Switch Connection to

Speed Adjust Potentiometer . . . . . . . . . . . . . . . . . . . . . . .66

Figure 19. Diagnostic LED Locations . . . . . . . . . . . . . . . . . . . . . . . . .68

Figure 20. DC3N Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Illustrations

Specifications

Max.

Armature HP Range HP Range

Current with115 VAC with 230 VAC

Model (Amps DC) Applied Applied

DC3N-12D-00-010-AI 10A 1/4 – 1 1/2 – 2

DC3N-12D-4X-010-AI 10A 1/4 – 1 1/2 – 2

Model Style

DC3N-12D-00-010-AI Open chassis

DC3N-12D-4X-010-AI NEMA 4X/12

AC Line Voltage 115 VAC or 230 V AC, 50 or 60 Hz, 1 Phase

Maximum Allowable Symmetrical AC Line Current 5000 amps

Maximum AC Line Distribution kVA

with 115 VAC Input 25 kVA

with 230 VAC Input 50 kVA

Armature Voltage

With 115 VAC Input 0 – 90 VDC

With 230 VAC Input 0 – 180 VDC

Field Voltage

115 VAC Input 50 VDC (F1 to L1); 100 VDC (F1 to F2)

230 VAC Input 100 VDC (F1 to L1); 200 VDC (F1 to F2)

Maximum Field Current 1 ADC

Adjustments and Application Data

Form Factor 1.37 at base speed

Service Factor 1

Maximum Speed Trimpot Range (% of rated input voltage) 0 to 90%

Minimum Speed Trimpot Range (% of rated input voltage) 0 to 50%

Torque Trimpot Maximum Setting (% of maximum current) 200%

IR Drop Compensation (% of rated armature voltage) 0 to 15%

Acceleration Time Range 0.5 – 10 seconds

Deceleration Time Range 0.5 – 10 seconds

Analog Input Signal Range (S1 to S2) 0 – 10 VDC or 4 – 20 mADC

Input Impedance (S1 to S2) >100 KOHMS

Speed Regulation (% of base speed with 95% load change)

With Armature Feedback 1% or better

With Tachometer Feedback 0.1%

Speed Range 60:1

Tachometer Feedback Voltage Range 7 – 50 VDC per 1000 RPM

Maximum Current Load 150% for 1 minute

Safety Certification UL Listed Component

cUL Listed Component

CE Approved Component

Weight 2.1 lbs (953g)

Service Conditions

Maximum Allowable Elevation3300 ft (1000 m) max without derating*

Vibration 0.5G max. (0–50 Hz); 0.1G max. (>50 Hz)

Ambient Temperature Range

Chassis Drives 10°C – 55°C

Enclosed Drives 10ºC – 45ºC

Non-condensing Relative Humidity 0% to 95%

* Derate the current by 1% for every 300 ft (90m) above 3300 ft., up to 10,000 ft. (3000m)

2 Specifications

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