Engineered for high-speed, high-accuracy weighing applications, the Omron NX-RS1201 operates as a high-performance weight and force measurement module within the Sysmac automation platform. This high-performance module interfaces directly with strain-gauge load cells, converting raw analog force signals into highly precise digital data. Designed for seamless integration into EtherCAT and EtherNet/IP networks via NX-series coupler units, the Omron NX-RS1201 features an ultra-fast conversion cycle of 125 microseconds and a 24-bit A/D converter. Its support for Synchronous I/O refreshing allows exact timing coordination with motion control processes, making it highly effective for dynamic checkweighers, filling systems, and tension control applications.
| Specification Parameter | Value / Rating |
|---|---|
| Manufacturer | Omron |
| Model Number | NX-RS1201 |
| Product Type | Load Cell Input Unit |
| Number of Points | 1 Channel |
| A/D Converter Resolution | 24 bits |
| Conversion Cycle | 125 microseconds |
| Input Range | -5.0 to 5.0 mV/V |
| Input Conversion Range | -5.5 to 5.5 mV/V |
| Load Cell Excitation Voltage | 5 VDC (+/- 10%), 60 mA maximum output current |
| Zero / Gain Adjustment Range | -5.0 to 5.0 mV/V |
| Nonlinearity | +/-0.01% of full scale |
| Zero Drift | +/-0.1 microvolt per degC RTI (Refer to Input) |
| Gain Drift | +/-10 ppm per degC |
| Warm-Up Period | 30 minutes minimum |
| External Connection Terminals | Screwless clamping terminal block (16 terminals) |
| Dimensions (W x H x D) | 12 mm x 100 mm x 71 mm |
| Product Weight | 0.07 kg |
| Shipping Weight (Calculated) | 1.00 kg (including protective packaging) |
| Country of Origin | Japan |
The NX-RS1201 is fully integrated into the Omron Sysmac platform via NX-series Bus Couplers. When replacing legacy analog input modules, ensure that the target Sysmac Studio project configuration is updated to support this unit's 24-bit output structure. Firmware compatibility must be verified with the controller unit: an NJ-series, NX-series, or NY-series controller requires firmware version 1.10 or higher for full Synchronous I/O operational modes.
Because of its ultra-high resolution, the 24-bit A/D converter is highly sensitive to ambient temperature changes. For applications requiring precise measurements, the module requires a full 30-minute warm-up period to stabilize thermal drift coefficients. If the control panel is located near heat-generating equipment (such as variable frequency drives or large transformers), forced ventilation is highly recommended to maintain a steady ambient temperature and prevent drift.
To maintain maximum measurement integrity, avoid running the load cell signal cables in parallel with high-voltage AC power lines. Utilize double-shielded, twisted-pair cables for excitation and signal paths. The cable shield must be terminated at a single point—preferably at the functional ground terminal of the NX-series system—to prevent ground loops that introduce electrical noise to the microvolt-level inputs.
Turn off all power supplies to the PLC rack and field devices before installing, removing, or wiring the module. Failure to de-energize equipment can result in electrical shock, equipment damage, or erratic system behavior.
Global Express Shipping
Returns & Warranty
Manufacturer: Omron
Product No.: NXRS1201
Country of origin:Japan
Product Type: Load Cell Input Units
Payment: T/T, Western Union
Weight: 70g
Dimensions: 12 mm x 100 mm x 71 mm
Shipping port: Xiamen
Warranty: 12 months
Engineered for high-speed, high-accuracy weighing applications, the Omron NX-RS1201 operates as a high-performance weight and force measurement module within the Sysmac automation platform. This high-performance module interfaces directly with strain-gauge load cells, converting raw analog force signals into highly precise digital data. Designed for seamless integration into EtherCAT and EtherNet/IP networks via NX-series coupler units, the Omron NX-RS1201 features an ultra-fast conversion cycle of 125 microseconds and a 24-bit A/D converter. Its support for Synchronous I/O refreshing allows exact timing coordination with motion control processes, making it highly effective for dynamic checkweighers, filling systems, and tension control applications.
| Specification Parameter | Value / Rating |
|---|---|
| Manufacturer | Omron |
| Model Number | NX-RS1201 |
| Product Type | Load Cell Input Unit |
| Number of Points | 1 Channel |
| A/D Converter Resolution | 24 bits |
| Conversion Cycle | 125 microseconds |
| Input Range | -5.0 to 5.0 mV/V |
| Input Conversion Range | -5.5 to 5.5 mV/V |
| Load Cell Excitation Voltage | 5 VDC (+/- 10%), 60 mA maximum output current |
| Zero / Gain Adjustment Range | -5.0 to 5.0 mV/V |
| Nonlinearity | +/-0.01% of full scale |
| Zero Drift | +/-0.1 microvolt per degC RTI (Refer to Input) |
| Gain Drift | +/-10 ppm per degC |
| Warm-Up Period | 30 minutes minimum |
| External Connection Terminals | Screwless clamping terminal block (16 terminals) |
| Dimensions (W x H x D) | 12 mm x 100 mm x 71 mm |
| Product Weight | 0.07 kg |
| Shipping Weight (Calculated) | 1.00 kg (including protective packaging) |
| Country of Origin | Japan |
The NX-RS1201 is fully integrated into the Omron Sysmac platform via NX-series Bus Couplers. When replacing legacy analog input modules, ensure that the target Sysmac Studio project configuration is updated to support this unit's 24-bit output structure. Firmware compatibility must be verified with the controller unit: an NJ-series, NX-series, or NY-series controller requires firmware version 1.10 or higher for full Synchronous I/O operational modes.
Because of its ultra-high resolution, the 24-bit A/D converter is highly sensitive to ambient temperature changes. For applications requiring precise measurements, the module requires a full 30-minute warm-up period to stabilize thermal drift coefficients. If the control panel is located near heat-generating equipment (such as variable frequency drives or large transformers), forced ventilation is highly recommended to maintain a steady ambient temperature and prevent drift.
To maintain maximum measurement integrity, avoid running the load cell signal cables in parallel with high-voltage AC power lines. Utilize double-shielded, twisted-pair cables for excitation and signal paths. The cable shield must be terminated at a single point—preferably at the functional ground terminal of the NX-series system—to prevent ground loops that introduce electrical noise to the microvolt-level inputs.
Turn off all power supplies to the PLC rack and field devices before installing, removing, or wiring the module. Failure to de-energize equipment can result in electrical shock, equipment damage, or erratic system behavior.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Japan
|
Replacing a 1756-L73 does not automatically mean upgrading its firmware. This guide compares v19.013, v21.011 and v31.011, focusing on project compatibility, HMI communications, legacy networks and...
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Integrate Allen-Bradley CompactLogix, Caterpillar ATS, and generators into DeltaV DCS over Modbus RTU. Covers ProSoft MVI69-MCM, Miille DIN266 gateways.
ONS instruction fires but the OTE coil never latches in Studio 5000 because the one-shot is only true for one scan. Use OTL/OTU or seal-in logic instead.
Configure Allen-Bradley Kinetix 5500 servo drives on EtherNet/IP. Covers CIP Sync, IEEE 1588 V2 timing, Stratix selection, DLR topology, and HMI.
A moving-average filter is the sliding-window smoother most instrument engineers drop into DCS and PLC analog paths. Here is how the window works, how N and sample time set lag, and when a...
