Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.
Omron NX-DA3603 — NX 4-Ch Voltage Output, -10 to +10 V
SKU: NX-DA3603USD 182.00
Omron NX-DA3603 NX-series 4-channel analog output, -10 to +10 V, 1/8000 resolution, 12 mm wide. In stock, China shipping.
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Product Overview
The Omron NX-DA3603 is a 4-channel analog voltage output unit for the NX-series I/O platform, manufactured by Omron Corporation. Hengyixin Automation stocks this controller option board 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).
The unit outputs -10 to +10 V on four channels at 1/8000 (13-bit) resolution and 250 us per point conversion. Output impedance is 0.5 ohm max, minimum load resistance 5 k ohm. I/O refresh is Free-Run only. The screwless push-in 8-terminal block lands the four outputs plus 24 VDC supplies on a removable connector.
The 12 mm wide housing mounts on any NX-series coupler: NX-EIC202 for EtherNet/IP, NX-ECC202 or NX-ECC203 for EtherCAT. Power consumption is 1.10 W max from the NX bus. Dimensions 12 x 100 x 71 mm, 70 g, IP20. The NX-DA2205 sibling is the 2-channel 4-20 mA current output; the NX-DA2603 is the 2-channel voltage output; the NX-DA3203 is the 4-channel 4-20 mA current output.
Key Features
- NX-series 4-channel analog voltage output unit, -10 to +10 V per channel, 1/8000 (13-bit) resolution, 250 us per point conversion
- Free-Run I/O refresh only (no synchronous refresh), 0.5 ohm max output impedance, 5 k ohm minimum load resistance
- Screwless push-in 12-terminal removable connector (NX-TBA122) on the 12 mm wide NX housing, IP20, no field wiring tools needed
- 1.10 W max power consumption from the NX bus, 12 x 100 x 71 mm, 70 g, 0 to +55 C operating, cULus / CE / KC listed
- SKU: NX-DA3603
- Series: Omron NX-series I/O platform (NX-DA analog output family)
Best-Fit Applications
- Speed-reference output on a conveyor where the -10 to +10 V signal drives an analog-input variable-frequency drive via the EtherCAT coupler
- Proportional-valve position command on a hydraulic press where the NX-DA3603 outputs a -10 to +10 V reference at 1/8000 over Free-Run refresh
- Bias and span output on a multi-zone oven where four channels drive damper actuators and trim-heater SSR controls from a single 12 mm NX unit
Buying Checklist
- Pick the NX-DA3603 for a 4-channel NX-series voltage output unit at -10 to +10 V with 1/8000 resolution on a 12 mm wide housing.
- Pick the NX-DA2205 instead when the application only needs 2 channels and the load expects a 4-20 mA current loop rather than a voltage signal.
- Pick the NX-DA2603 instead when the cabinet only needs 2 channels of voltage output on the same 12 mm NX body.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | Omron NX-series I/O platform (NX-DA analog output family) |
| Model / SKU | NX-DA3603 |
| Number of Channels | 4 voltage outputs |
| Output Range | -10 to +10 V (output conversion range -5 to +105 percent of full scale) |
| Resolution / Conversion | 1/8000 (13-bit), 250 us per point conversion time, Free-Run refresh only |
| Accuracy | Plus or minus 0.3 percent full scale at 25 C; plus or minus 0.5 percent full scale at 0 to +55 C |
| Load / Output Impedance | Allowable load resistance 5 k ohm min, output impedance 0.5 ohm max |
| Isolation | Between output and NX bus: power = transformer, signal = digital isolator (no isolation between output channels) |
| I/O Connection | Screwless push-in terminal block, 12 terminals, removable for maintenance (NX-TBA122) |
| I/O Power | Supplied from the NX bus; no I/O power supply terminals on this output unit |
| Power / Dimensions | 1.10 W max from NX bus, 12 (W) x 100 (H) x 71 (D) mm, 70 g, IP20, 0 to +55 C operating, cULus / CE / KC listed |
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-DA3603
What is the Omron NX-DA3603 used for?
It is the NX-series 4-channel analog voltage output unit that converts digital values from the NX CPU into -10 to +10 V signals at 1/8000 (13-bit) resolution. It mounts on the NX backplane and drives analog-input variable-frequency drives, proportional valves, damper actuators, and similar analog loads on machines that already use the NX-series I/O platform.
NX-DA3603 vs NX-DA2205 - what is the difference?
Both are 4-channel NX analog output units on the same 12 mm wide housing. The DA3603 has four -10 to +10 V voltage outputs at 1/8000 resolution. The DA2205 has two 4-20 mA current outputs (despite the model number). Pick the DA3603 for VFD speed reference; pick the DA2205 for current-loop valves and transmitters.
Does the NX-DA3603 support synchronous I/O refresh?
No. The NX-DA3603 only supports Free-Run refreshing; the analog output updates asynchronously from the EtherCAT cycle. For synchronous I/O refreshing matched to the EtherCAT cycle, pick the NX-DA3605 or NX-DA2605 high-resolution variants.
What NX coupler works with the NX-DA3603?
Any of the NX-series communication couplers. For EtherNet/IP, use the NX-EIC202. For EtherCAT, use the NX-ECC202 or NX-ECC203. Up to 63 NX-DA3603 units (252 analog output channels) can sit on one NX-ECC203, limited by the coupler's power budget.
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