Omron NX - DA2203 — NX DA2203 2 Pt 4 20 mA Analog
SKU: NX - DA2203USD 134.00
NX-series 2-point analog current-output module with 4-20 mA range, 1/8000 (13-bit) resolution, 250 µs per-channel conversion time
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Product Overview
The Omron NX - DA2203 is the NX-DA2203 is the cost-effective 2-point analog current-output module in Omron's NX-series modular I/O family — the right pick when you need 4-20 mA command signals for VFD speed references, pneumatic valve-positioner commands, or process-loop setpoints, but you don't need 4-pt density or precision-grade 10 µs conversion. manufactured by Omron Corporation. Hengyixin Automation stocks this controller in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports.
Two analog outputs on a 12 mm slice consuming 250 µs of conversion time per channel give you enough performance for the bulk of process-control applications (valves, drives, dampers), at the lowest price per channel in the NX-DA family. The module uses Free-Run I/O refresh (the NX-DA3605 and NX-DA2605 are the variants that support selectable Sync I/O refresh for high-precision motion or rapid dynamic changes).
For loops exceeding 350 Ω (rare — typically only when there's a very long cable run plus a series burden resistor), you'd need the NX-DA3605 high-precision variant with higher compliance.
Key Features
- 4-20 mA output range per channel
- 12 mm wide slice — highest density analog output in the NX family
- 1/8000 resolution per channel
- NX-series 2-point analog current output module
- SKU: NX - DA2203
- Series: NX-series Analog Output Modules (NX-DA family)
- Voltage: 8 VDC
Best-Fit Applications
- VFD speed-reference command from an NJ501-1500 PLC — the NX-DA2203 sources 4-20 mA into the drive's speed-reference input; the PLC.
- Process-control panel-meter / chart-recorder retransmission output — the NX-DA2203 mirrors a PID controller's process variable to a remote 4-20 mA.
- Pneumatic proportional valve-positioner command — the NX-DA2203 drives a 4-20 mA loop into a Fisher / Samson / Emerson FIELDVUE.
Buying Checklist
- Pick NX-DA3203 for 4-pt 4-20 mA output — when you need higher density on a single slice
- Pick NX-DA2205 for 2-pt -10 to +10 V voltage output — for short-distance drive commands, not 4-20 mA loops
- Pick NX-DA3603 for compact high-precision 4-20 mA output with 1/30000 resolution — for lab-grade precision, load-cell, or thin-film processes
Technical Specifications
| Model | NX-DA2203 |
|---|---|
| Series | NX-series Analog Output Modules (NX-DA family) |
| Type | 2-point analog current output module, 4-20 mA, Free-Run refresh |
| Output Range | 4 to 20 mA per channel |
| Output Channels | 2 points |
| Output Type | Current source (sink-type output referenced to module ground) |
| Resolution | 1/8000 (13-bit equivalent with sign) |
| Output Settable Range | -4000 to 4000 (decimal integer; maps to 4-20 mA over 0-100%) |
| Data Output Size | 2 words per unit (16-bit each, one per channel) |
| Allowable Conversion Range | -5% to 105% of full scale (i.e., 3.2 to 20.8 mA physically) |
| Max Open-Circuit Voltage | 8 VDC (the compliance voltage) |
| Temperature Coefficient | ±0.02 % / °C (typ) / ±0.005% FS / °C (max) |
| Internal Current Consumption (NX bus) | 70 mA at 5 VDC (from coupler) |
| Internal Current Consumption (I/O) | 0.4 W max per point (24 VDC from I/O supply) |
| Mounting | NX-series slice rail (DIN rail), behind NX-ECC EtherCAT coupler or NX-ILM400 IOLink master |
FAQ for NX - DA2203
What is the difference between NX-DA2203 and NX-DA3603?
Both are 2-point 4-20 mA analog output modules in the NX-DA family, and they look identical from a wiring perspective. The differences: NX-DA2203 (this SKU) is the standard variant with 1/8000 resolution and 250 µs conversion time, Free-Run I/O refresh only — right for most process-control loops where the loop period is 1-10 s.
Can the NX-DA2203 drive an AC variable-frequency drive (VFD)?
Yes — this is one of the primary applications for any 4-20 mA analog output module. Connect the NX-DA2203's OUT+ terminal to the VFD's speed-reference (+) input terminal (often labeled AI+, ANA+, or FREQ IN+) and OUT- to the VFD's reference-ground (often labeled COM, AI-, or Gnd). The VFD has an internal 250 Ω burden resistor that converts the 4-20 mA current to a 1-5 V signal for its analog-to-digital converter.
How do I configure NX-DA2203 in Sysmac Studio?
Open Sysmac Studio, double-click the EtherCAT coupler (NX-ECC201/202) on the Multiview Explorer to open the configuration editor, and drag the NX-DA2203 onto the slice rail at the desired position (between NX-PD1000 power supply slices). The Studio automatically creates 2 output words at the next free offset. Right-click the NX-DA2203 in the slice rail and select 'Edit Initial Settings' to configure scaling (Linear / SqRoot / Range), output range (always 4-20 mA for DA2203), and the per-channel offset/gain adjustment.
Is the NX-DA2203 compatible with the NJ-series PLCs?
Yes — the NX-DA2203 is compatible with all NJ-series controllers that support EtherCAT slave expansion: NJ101-1000 / NJ101-9000 / NJ301-1200 / NJ501-1300 / NJ501-1400 / NJ501-1500. The NX-DA2203 must be mounted on a slice rail behind an NX-ECC201/202/203 EtherCAT coupler, which is in turn connected to the NJ's built-in EtherCAT port. Sysmac Studio on the NJ configures the NX-DA2203 the same as on an NX102 / NX502 controller.
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