Description
High-speed, high-accuracy analog control is delivered by the Omron CJ1W-DA042V, a specialized 4-channel analog output module engineered for the Omron CJ-Series PLC platform. This module converts digital values inside the PLC into analog voltage signals, providing high-speed direct conversion capabilities to interface with variable speed drives, actuators, control valves, and other analog field instruments.
Featuring individual channel configuration, the CJ1W-DA042V supports independent signal range selection for each of its four outputs. The system's ultra-fast conversion cycle, scaling down to 20 microseconds for a single point, makes it exceptionally suited for dynamic motion control and high-speed process modulation where real-time accuracy is critical.
Features
- Four independent, high-precision analog output channels.
- Supports wide signal ranges: 1 to 5 V, 0 to 10 V, and -10 to 10 V.
- Adjustable resolution up to 1/40,000 for high-precision control requirements.
- Ultra-fast direct conversion mode with conversion times as fast as 20 microseconds.
- Independently configurable output signal ranges per channel.
- Equipped with a removable terminal block for simplified installation and maintenance.
- Occupies a single unit number allocation on the PLC backplane.
Applications
- High-speed positioning and servo drive speed control.
- Precision process control loop modulation (valves, dampers, actuators).
- Dynamic test bench and laboratory automation systems.
- Industrial manufacturing and packaging line automation.
Technical Specifications
| Manufacturer |
Omron |
| Model/Part Number |
CJ1W-DA042V |
| Series |
CJ-Series / CJ1 |
| Module Type |
Analog Output Unit (High-speed type) |
| Number of Outputs |
4 points |
| Signal Range (Resolution) |
1 to 5 V (1/10,000)
0 to 10 V (1/20,000)
-10 to 10 V (1/40,000)
|
| Conversion Period |
1 point: 20 us
2 points: 25 us
3 points: 30 us
4 points: 35 us (Direct conversion provided)
|
| Accuracy (at 25 degC) |
±0.3% of F.S. |
| External Connection |
Removable terminal block |
| Allocated Unit Numbers |
1 |
| Current Consumption |
0.40 A at 5 VDC |
| Shipping Weight |
2.0 kg |
Installation Guidelines
Mounting: Securely mount the module onto the CJ-series CPU rack or expansion rack. Ensure the locking levers at the top and bottom of the unit are fully engaged to guarantee proper connection to the backplane.
Wiring: Use shielded twisted-pair cables for analog output connections to minimize electromagnetic interference. Route signal lines away from high-voltage power cables or motor lines.
Grounding: Connect the shield wire of the output cables to the ground terminal of the PLC system or control panel. Ensure a single-point ground is maintained to avoid ground loop currents.
System Maintenance: Always power down the PLC system before removing or attaching the terminal block or the module itself to protect sensitive internal CMOS components from ESD and voltage surges.