$ 1,234.64
| 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. | 
Note: All other specifications conform to the general specifications of the CJ Series.
| 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.)  | 
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| 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.  | 
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| 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  | 
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| 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  | 
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| 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  | 
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| 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.)  | 
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| 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.  | 
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| 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.  | 
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| 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  | 
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| 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  | 
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| 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.  | 
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| 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.  | 
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| 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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