
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