Integrating absolute encoder feedback into real-time motion control systems, the Omron NX-ECS212 serves as a high-density, dual-channel SSI input module designed for Sysmac-based platforms. This position interface unit decodes synchronous serial interface (SSI) signals directly on the local bus or via distributed EtherCAT couplers, providing sub-microsecond synchronization for precision motion axes. Equipped with a 12-point screwless push-in connection system, it simplifies field cabling while maintaining excellent signal integrity over differential RS-422 communications. By utilizing gray-code conversion and supporting high baud rates up to 2.0 MHz, this module delivers high-resolution, noise-immune positioning data directly into the active controller CPU cycle.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Omron |
| Model Number | NX-ECS212 |
| Product Series | NX-series Position Interface Unit |
| Number of Channels | 2 Channels |
| I/O Refreshing Method | Free-Run, Synchronous I/O, or Task Period Prioritized Refreshing |
| External Connections | Screwless Push-In Terminal Block (12 terminals) |
| Input Signals | Data Input (D+, D-) x 2 Channels |
| Output Signals | Clock Output (C+, C-) x 2 Channels |
| I/O Interface | Synchronous Serial Interface (SSI) |
| Clock Output Level | EIA standard RS-422-A line driver levels |
| Data Input Level | EIA standard RS-422-A line receiver levels |
| Maximum Data Length | 32 bits (single-turn, multi-turn, and status configurable) |
| Coding Options | No conversion, binary code, or gray code |
| Isolation Method | Digital isolator physical isolation |
| Unit Net Weight | 65 g |
| Shipping Weight (Calculated) | 1.0 kg |
| Package Dimensions (Calculated) | 100 x 30 x 80 mm |
| Terminal Number | Terminal Name | Function / Signal Direction |
|---|---|---|
| A1 | CH1 C+ | Channel 1 SSI Clock Output (+) |
| A2 | CH1 C- | Channel 1 SSI Clock Output (-) |
| A3 | CH1 D+ | Channel 1 SSI Data Input (+) |
| A4 | CH1 D- | Channel 1 SSI Data Input (-) |
| A5 | COUT1 | External Output 1 / Power distribution connection |
| A6 | COUT2 | External Output 2 / Power distribution connection |
| B1 | CH2 C+ | Channel 2 SSI Clock Output (+) |
| B2 | CH2 C- | Channel 2 SSI Clock Output (-) |
| B3 | CH2 D+ | Channel 2 SSI Data Input (+) |
| B4 | CH2 D- | Channel 2 SSI Data Input (-) |
| B5 | IOV | I/O Power Supply Positive Terminal |
| B6 | IOG | I/O Power Supply Ground Terminal |
The NX-ECS212 is compatible with all Sysmac NJ, NX1P, and NX102 series controllers, as well as NX-series EtherCAT Coupler Units (e.g., NX-ECC201/202/203). For environments where incremental feedback is required instead of absolute SSI protocols, refer to the incremental encoder input model NX-EC0122. Note that firmware version 1.0 or higher is required on both the bus coupler and Sysmac Studio configurations to ensure full parametric support for 32-bit frame layouts.
When deploying the NX-ECS212 over extended cable lengths, keep in mind that propagation delays directly limit transmission rates. For cable runs up to 100 meters, do not exceed a 100 kHz transmission frequency. While the physical interface is EIA-RS-422-A, the module does not integrate a local encoder power supply output; the encoder must be energized through external 24 VDC or 5 VDC lines routed via the NX terminal's IOV/IOG supply or an independent power distribution module.
To prevent inductive noise interference from nearby motor cabling, ensure all clock and data lines utilize individually shielded twisted-pair (STP) cabling. Connect the shield drain wires to the central panel ground block or a dedicated shield connection plate rather than leaving them floating. Within Sysmac Studio, ensure you configure the exact frame format (the allocation of single-turn, multi-turn, and auxiliary status bits) to match the manufacturer's encoder datasheet precisely. Incorrect length assignments will result in offset decoding errors.
CRITICAL WARNING:
De-energize all primary and secondary field power sources before inserting or removing the module from the DIN rail assembly. Working on a live system risks serious equipment failure, communications disruption on the NX bus, and physical harm to personnel.
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Returns & Warranty
Manufacturer: Omron
Product No.: NX-ECS212
Country of origin:Japan
Product Type: PLC Position Interface Modules
Payment: T/T, Western Union
Weight: 1000g
Dimensions: 100 x 30 x 80 mm
Shipping port: Xiamen
Warranty: 12 months
Integrating absolute encoder feedback into real-time motion control systems, the Omron NX-ECS212 serves as a high-density, dual-channel SSI input module designed for Sysmac-based platforms. This position interface unit decodes synchronous serial interface (SSI) signals directly on the local bus or via distributed EtherCAT couplers, providing sub-microsecond synchronization for precision motion axes. Equipped with a 12-point screwless push-in connection system, it simplifies field cabling while maintaining excellent signal integrity over differential RS-422 communications. By utilizing gray-code conversion and supporting high baud rates up to 2.0 MHz, this module delivers high-resolution, noise-immune positioning data directly into the active controller CPU cycle.
| Parameter | Value / Specification |
|---|---|
| Manufacturer | Omron |
| Model Number | NX-ECS212 |
| Product Series | NX-series Position Interface Unit |
| Number of Channels | 2 Channels |
| I/O Refreshing Method | Free-Run, Synchronous I/O, or Task Period Prioritized Refreshing |
| External Connections | Screwless Push-In Terminal Block (12 terminals) |
| Input Signals | Data Input (D+, D-) x 2 Channels |
| Output Signals | Clock Output (C+, C-) x 2 Channels |
| I/O Interface | Synchronous Serial Interface (SSI) |
| Clock Output Level | EIA standard RS-422-A line driver levels |
| Data Input Level | EIA standard RS-422-A line receiver levels |
| Maximum Data Length | 32 bits (single-turn, multi-turn, and status configurable) |
| Coding Options | No conversion, binary code, or gray code |
| Isolation Method | Digital isolator physical isolation |
| Unit Net Weight | 65 g |
| Shipping Weight (Calculated) | 1.0 kg |
| Package Dimensions (Calculated) | 100 x 30 x 80 mm |
| Terminal Number | Terminal Name | Function / Signal Direction |
|---|---|---|
| A1 | CH1 C+ | Channel 1 SSI Clock Output (+) |
| A2 | CH1 C- | Channel 1 SSI Clock Output (-) |
| A3 | CH1 D+ | Channel 1 SSI Data Input (+) |
| A4 | CH1 D- | Channel 1 SSI Data Input (-) |
| A5 | COUT1 | External Output 1 / Power distribution connection |
| A6 | COUT2 | External Output 2 / Power distribution connection |
| B1 | CH2 C+ | Channel 2 SSI Clock Output (+) |
| B2 | CH2 C- | Channel 2 SSI Clock Output (-) |
| B3 | CH2 D+ | Channel 2 SSI Data Input (+) |
| B4 | CH2 D- | Channel 2 SSI Data Input (-) |
| B5 | IOV | I/O Power Supply Positive Terminal |
| B6 | IOG | I/O Power Supply Ground Terminal |
The NX-ECS212 is compatible with all Sysmac NJ, NX1P, and NX102 series controllers, as well as NX-series EtherCAT Coupler Units (e.g., NX-ECC201/202/203). For environments where incremental feedback is required instead of absolute SSI protocols, refer to the incremental encoder input model NX-EC0122. Note that firmware version 1.0 or higher is required on both the bus coupler and Sysmac Studio configurations to ensure full parametric support for 32-bit frame layouts.
When deploying the NX-ECS212 over extended cable lengths, keep in mind that propagation delays directly limit transmission rates. For cable runs up to 100 meters, do not exceed a 100 kHz transmission frequency. While the physical interface is EIA-RS-422-A, the module does not integrate a local encoder power supply output; the encoder must be energized through external 24 VDC or 5 VDC lines routed via the NX terminal's IOV/IOG supply or an independent power distribution module.
To prevent inductive noise interference from nearby motor cabling, ensure all clock and data lines utilize individually shielded twisted-pair (STP) cabling. Connect the shield drain wires to the central panel ground block or a dedicated shield connection plate rather than leaving them floating. Within Sysmac Studio, ensure you configure the exact frame format (the allocation of single-turn, multi-turn, and auxiliary status bits) to match the manufacturer's encoder datasheet precisely. Incorrect length assignments will result in offset decoding errors.
CRITICAL WARNING:
De-energize all primary and secondary field power sources before inserting or removing the module from the DIN rail assembly. Working on a live system risks serious equipment failure, communications disruption on the NX bus, and physical harm to personnel.
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
|
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