Omron CJ1W-NC214 - Manual de usuario

51Position control units

Motion controllers

CJ1W-NC@@4

Position control units

Point-to-point positioning controller with

pulse train output and motion control unit

functionality

• Position control units with 2 or 4 axes

• Position and speed control

• Linear interpolation and feeder control function

• Electronic CAM profiles and axes synchronization

• Positioning of 500 points per axis done from

memory

• S-curve acceleration/deceleration, origin search,

backlashcompensation, and other features are also

supported.

• Programming languages: ladder, function blocks.

• Use Windows-based support software to easily cre-

ate positioning data and store data and parameters

in files.

These position control units support positioning control via pulse-train outputs. Positioning is performed using trapezoidal or S-

curve acceleration and deceleration. Models are available with 2 or 4 axes control, and can be used in combination with servo

drives or stepping motors what accept pulse-train control. When these units are used in a CJ2 PLC CPU can perform also

synchronous operation by use of electronic CAMs and other function blocks.

Function

System configuration

Pos

unit

KI/O signals

(CN1 connector)

I/O signals

(CN1 connector)

CJ1 series

Position control unit

CJ1W-NC__4

Personal computer

software: CX-One

External signalsfor

Axis1 and Axis2 Servo

relay unit

Accurax G5

Servo motors

G-Series

Servo motors

Accurax G5

Servo drive

SmartStep 2

Servo drive

Emergency stop input,

home and limit switches

Axes2

Axes1

Y203-EN2-04+MotionDrives+Cat.book Seite 51 Freitag, 21. Mai 2010 11:01 11

52 Motion controllers

CJ1W-NC214/234/414/434 - position control unit

Specifications

Model CJ1W-NC214

CJ1W-NC234 CJ1W-NC414

CJ1W-NC434

Unit name Position control unit

Classification CJ series special I/O units

Applicable PLCs CJ series

Unit numbers 0 to 94

Maximum number of units per rack 5 units

Maximum number of units per CJ system 20 units (3 expansion racks maximum)

Occupied unit 2

Control method Open-loop control by pulse train output

Control output signals CJ1W-NC@14: Open-collector output

CJ1W-NC@34: Line-driver output

Controlled axes 2 4

I/O allocations Axis operating memory area Allocated in one of the following areas(user-specified): CIO, WR, HR, DM or EM area.

Control function Operating modes Direct operation or memory operation

Linear interpolation 2 axes maximum 4 axes maximum

Circular interpolation 2 axes maximum

Interrupr feeding Independent, 2 axes Independent, 4 axes

Position data -2147483648 to +2147483647

No. of positions 500 per axis

Speed data 4 Mpps maximum speed (NC234/434) or 500 kpps (NC214/414)

No. of speeds 500 per axis

Acceleration/deceleration times 0 to 250 s (time to max. speed)

Acceleration/deceleration curves Trapezoidal or S-curve

Auxiliary functions Override Multiplies the axis command speed by a specified ratio. Value: 0.01% to 500.00%

Sofware limits Limits software operation for controlling positioning

Backlash compensation Compensates for the amount of play in the mechanical system according to a set value

Torque limit Restrics the torque upper limit during position control

Saving data in PCU Flash memory

Ambient operating temperature 0 to 55°C

External power supply 24 VDC

Internal current consumption 270 mA or less at 5 VDC 310 mA or less at 5 VDC

Weight 170 g 220 g

Nomenclature

Axes1 and 2

connector

Connectsto the

servomotor drive

or stepping

motor driver

(2-axiscontrol).

Axes1 and 2

connector

Connectsto the

servomotor drive

or stepping

motor driver

(2-axiscontrol).

Axes3and 4

connector

Connectsto the

servomotor drive

or stepping

motor driver

(2-axiscontrol).

LED indicator

Indicatesthe

operation status

of the PCU.

Unit number

setting switch

Set the PCU

unit number.

External signal

connector for

axes1 and 2

Connectsto

external input.

External signal

connector and

MPG connector

for axes3and 4

Connectsto external

input and MPG.

External signal

connector and

MPG connector

for axes1 and 2

Connectsto

external input and

MPG.

CJ1W-NC414/-NC434 CJ1W-NC214/-NC234

Y203-EN2-04+MotionDrives+Cat.book Seite 52 Freitag, 21. Mai 2010 11:01 11

Position control units 53

Motion controllers

CJ1W-NC214/234/414/434 - position control unit

Position control unit

Servo drive cables

Note: Refer to selected servo systems section for cable and servo relay units information.

Computer software

Dimensions

Ordering information

Name Model

2 axes position control unit. Open-collector output. CJ1W-NC214

4 axes position control unit. Open-collector output. CJ1W-NC414

2 axes position control unit. Line-driver output. CJ1W-NC234

4 axes position control unit. Line-driver output. CJ1W-NC434

Specifications Model

CX-One version 4.0 or higher CX-One

2.7

2.7 51

2.7

2.7 62

8465

Y203-EN2-04+MotionDrives+Cat.book Seite 53 Freitag, 21. Mai 2010 11:01 11

54 Motion controllers

In the interest of product improvement, specifications are subject to change without notice.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

Cat. No. I77E-EN-01A

Y203-EN2-04+MotionDrives+Cat.book Seite 54 Freitag, 21. Mai 2010 11:01 11

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