Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.
Omron NX-DA2205 — 2 Pt 4 20mA Analog Output
SKU: NX-DA2205USD 302.00
NX-series 2-point analog current output slice with 4-20 mA output, 1/30000 resolution (15-bit equivalent), 10 us/point conversion time
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Product Overview
The Omron NX-DA2205 is Omron's high-speed 2-point analog current output slice for the NX-series modular I/O platform — providing 4-20 mA output with 1/30000 resolution and 10 us/point conversion time for proportional-valve control, variable-speed drive reference, and other high-speed analog control loops. It is manufactured by Omron Corporation. Hengyixin Automation stocks this I/O expansion unit in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports. Specifications on this page were checked against Omron's NX-series I/O System brochure (R183).
Resolution: 1/30000 Output range: 4 to 20 mA
Resolution: 1/30000 Output range: 4 to 20 mA Conversion time: 10 us/point Output range: 4 to 20 mA
Conversion time: 10 us/point Output range: 4 to 20 mA
The 10 us update rate gives the valve's closed-loop position controller fresh commands every 10 us, ensuring the cylinder position tracks the commanded profile without lag.
Key Features
- Conversion time: 10 us/point
- Output range: 4 to 20 mA
- Resolution: 1/30000
- NX-series 2-point analog current output slice
- SKU: NX-DA2205
- Series: NX-series Analog Output Units
- Voltage: 24 VDC
- I/O: 2 points
Best-Fit Applications
- Spindle speed reference on a CNC lathe - NX-DA2205 outputs 4-20 mA to the spindle drive's speed-reference input, with the.
- Tension control on a wire-winding machine - NX-DA2205 outputs 4-20 mA to a dancer-position-controlled tension brake, with the NJ501 reading.
- Variable-speed drive reference for multiple inverters - 4-20 mA reference signal to two 3G3MX2-A4075-V2 VFDs on a conveyor system, where.
Buying Checklist
- Pick NX-DA3205 for 4-pt 4-20 mA analog output, high-speed - 4-axis proportional valve control
- Pick NX-DA3203 for 4-pt 4-20 mA analog output, basic - 4-axis process loops at 100 ms update
- Pick NX-DA2605 for 2-pt -10 to +10 V analog output, high-speed - voltage-output valve positioners or drive references
Technical Specifications
| Model | NX-DA2205 |
|---|---|
| Series | NX-series Analog Output Units |
| Type | 2-point analog current output slice, high-speed |
| Number of Points | 2 points |
| Output Range | 4 to 20 mA |
| Output Conversion Range | -5 to 105% of full scale (3.2 to 21 mA drive) |
| Resolution | 1/30000 (15-bit equivalent) |
| Output Setting Value (Decimal) | 0 to 30000 (for 0-100% of full scale) |
| Absolute Maximum Output Current | 30 mA (short-circuit protection triggers above) |
| Current Consumption from I/O Power Supply | 10 mA max (for 24 VDC I/O supply) |
| Mounting | NX-series 35 mm DIN-rail mount, occupies one slice (12 mm wide) |
| Dimensions (W x H x D) | 12 × 100 × 71 mm |
| Operating Temperature | 0 to +55 C |
| Storage Temperature | -25 to +85 C |
| Certifications | CE, cULus listed (Class I Div 2), UL 508, KC, Lloyd's Register |
Manufacturer documentation
Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.
FAQ for NX-DA2205
What's the difference between NX-DA2205 and NX-DA2203?
Both are NX-series 2-point 4-20 mA analog current output slices with the same 12 mm width, same load impedance, same external connection terminal block, and same NX bus compatibility. The differences: (a) Resolution - NX-DA2203 is 1/8000 (13-bit equivalent), NX-DA2205 (this SKU) is 1/30000 (15-bit equivalent). The 2205 gives 3.75x finer output resolution, useful for smooth proportional-valve control across the full stroke range.
Can the NX-DA2205 be used with both EtherCAT and EtherNet/IP networks?
Yes - the NX-DA2205 works with both EtherCAT and EtherNet/IP network masters when paired with the appropriate NX-series coupler: (a) NX-ECC201 / NX-ECC202 / NX-ECC203 - EtherCAT couplers (ECC201 already done). When one of these is used, the NX-DA2205 is on the EtherCAT network, communicating at the EtherCAT cycle (typically 250 us to 4 ms). (b) NX-EIC202 - EtherNet/IP coupler. When this is used, the NX-DA2205 is on the EtherNet/IP network, communicating via CIP message or tag-data-link.
How does the screwless push-in terminal block work on the NX-DA2205?
The NX-DA2205 has an 8-terminal screwless clamping terminal block on the front face for the analog output wiring (4-20 mA loop). The terminal block uses push-in spring-cage technology - to wire, strip 8 mm of insulation from a ferrule-terminated wire (or solid wire 0.25-1.5 mm^2 / stranded with ferrule 0.25-1.0 mm^2), insert into the terminal, and the internal spring clamp engages automatically.
What is the difference between Synchronous and Free-Run I/O refresh on the NX-DA2205?
The NX-DA2205 supports two I/O refresh modes selectable in Sysmac Studio: (a) Synchronous I/O refreshing - the analog output updates at the EtherCAT cycle boundary. The NJ/NX CPU writes the desired output value to the EtherCAT process data; at each EtherCAT cycle (typically 250 us to 4 ms), the NX-DA2205 reads the value and updates the analog output.
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