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CJ-series – CJ1W-NC[]71 – Omron Position Control Units with EtherCAT interface

USD $ 1,234.64

General Specifications

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Item CJ1W-NC281/-NC481/-NC881/-NCF81/-NC482/-NC882/-NCF82
Dimensions 90 × 65 × 31 mm (H × D × W)
Weight 110 g max.
Internal current consumption 460 mA max. at 5 VDC
Ambient operating temperature 0 to 55°C
Applicable standards Conforms to cULus and EC Directives.

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Note: All other specifications conform to the general specifications of the CJ Series.

 

Functions and Specifications

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Item Models
Servo control only
CJ1W-NC281 CJ1W-NC481 CJ1W-NC881 CJ1W-NCF81
Applicable PLCs CJ Series
Settable unit numbers 0 to F (unit number as a CPU Bus Unit)
Maximum number of Units 10 Units per Rack, 16 Units per PLC (Can be used on Expansion
Racks.)
Allocated
I/O
words
Position Control Unit Control
Memory Areas
25 words in CPU Bus Unit Area
Axis Operation Memory Areas 43 words for each control axis (2 + 12 output words and 13 + 16
input words) in specified words in the CIO, Work, DM, or EM Area.
Memory Operation Memory Areas 7 words for each task (3 output words and 4 input words) in specified
words in the CIO, Work, DM, or EM Area
I/O Memory Areas
Controllable Servo Drives *1 G5-series Servo Drives with Built-in EtherCAT Communications
Controllable encoder input terminal *2 *3
Control method Control commands using EtherCAT communication
Number of controlled axes 2 axes 4 axes 8 axes 16 axes
Maximum command output speed 104 Mpps *4
Control
units
Setting unit Pulses, millimeters, inches, or degrees
Unit multiplier *5 ×1, ×10, ×100, ×1,000, or ×10,000
Electronic gear ratio *5 Unit version 1.1 or earlier: 1/1 to 1,048,576/1,048,576
Unit version 1.3 or later: 1/1 to 4,294,967,295/4,294,967,295
Positioning functions Memory operation or direct operation
Single
axis
control
Position control 2 axes 4 axes 8 axes 16 axes
Speed control 2 axes 4 axes 8 axes 16 axes
Inter-
polated
control
Linear interpolation 2 axes max. 4 axes max. 4 axes max. 4 axes max.
Circular interpolation 2 axes 2 axes 2 axes 2 axes
Helical interpolation *3
Memory
operation
Maximum number of
tasks
2 4 4 *6 4 *6
Sequence functions JUMP, FOR-NEXT (50 layers/task), PSET, and PRSET
Dwell timers 500/task, 0 to 10.00 s (Set in increments of 0.01 s.)
Position
command
values
Data -2,147,483,648 to 2,147,483,647 command units *7
Number of position command
values
500/task
Speed
command
values
Data *8 Position control: 1 to 2,147,483,647 command units/s
Speed control: -2,147,483,648 to 2,147,483,647 command units/s
Number of speed command values 500/task
Accel-
eration
times
Data 0 to 250,000 ms
Number of acceleration times 500/task
Decel-
eration
times
Data 0 to 250,000 ms
Number of deceleration times 500/task
Auxiliary
functions
Overrides 0.01% to 500.00% (Can be set for each axis.)
Software limits -2,147,483,647 to 2,147,483,646 command units (Can be set for
each axis.)
Backlash compensation Backlash compensation is performed using the compensation
function in the Servo Drive. The setting range depends on the
specifications of the Servo Drive.
Torque Limits Unit version 1.1 or earlier: Supports only the ability to enable or
disable the torque limits by turning ON or OFF the command bits.
Unit version 1.3 or later: Supports the ability to change the torque
limit data via the Memory Area/Synchronous Data Link in addition to
the ability to enable or disable the torque limits by turning ON or
OFF the command bits.
Synchronous Data Link function None
Control
perfor-
mance
Control cycle 0.5 ms 0.5 ms when
using 1 to 2
axes
1 ms when
using 3 to 4
axes
0.5 ms when
using 1 to 2
axes
1 ms when
using 3 to 4
axes
2 ms when
using 5 to 8
axes
0.5 ms when
using 1 to 2
axes
1 ms when
using 3 to 4
axes
2 ms when
using 5 to 16
axes
Communications cycle 250 µs 250 µs when
using 1 to 4
axes
500 µs when
using 5 to 8
axes
250 µs when
using 1 to 4
axes
500 µs when
using 5 to 10
axes
1.0 ms when
using 11 to 16
axes
Starting
time *9
Direct operation
(high-speed PTP) *10
0.15 to 0.4 ms 0.15 to 0.4 ms
when using 1
to 4 axes
0.15 to 0.8 ms
when using 5
to 8 axes
0.15 to 0.4 ms
when using 1
to 4 axes
0.15 to 0.8 ms
when using 5
to 10 axes
0.15 to 1.2 ms
when using 11
to 16 axes
Direct operation
(bits) *11
0.75 to 1.25 ms 1.25 to 2.25 ms 2.5 to 4.5 ms 3.0 to 5.0 ms
Memory operation
(linear interpolation)
*11
1.75 to 2.25 ms 3.25 to 4.25 ms 6.5 to 8.5 ms 7.0 to 9.0 ms
Control
I/O
Servo
Drive
interface
Communications port EtherCAT port × 1
Output signals There are no external output signals for external outputs.
The following command bits are provided for each axis for Servo
Drive control: Deviation Counter Reset Bit, Alarm Reset Bit, Servo
Lock Bit, Servo Unlock Bit, and Torque Limit Bits.
Input signals There are no external input signals for external inputs.
The following status flags are provided for each axis for Servo Drive
control: Origin Input Flag, Servo Drive Alarm Input Flag, and
Positioning Completed Input Flag.
External interface
signals *12
6 signals (external origin signal, origin proximity signal, forward limit
signal, reverse limit signal, emergency stop signal, and interrupt
input signal) for each axis

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Additional information

Weight N/A
Dimensions N/A
Model

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