Omron CJ1W-NC214 - Manuale utente
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
65
90
2.7
2.7 51
84
90
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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