{"product_id":"nx-ec0122-omron-nx-i-o-series-encoder-input-module","title":"NX-EC0122 Omron NX I\/O Series Encoder Input Module","description":"\u003cp\u003eConfigured for high-speed position tracking in NX I\/O Bus automation setups, the \u003cstrong\u003eOmron NX-EC0122\u003c\/strong\u003e (\u003cstrong\u003eNX-EC0122\u003c\/strong\u003e Encoder Input Module) provides direct physical\/electrical execution for single-channel incremental encoder signal processing.\u003c\/p\u003e\n\u003ch3\u003eOrdering Code \u0026amp; Nomenclature Structural Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNX\u003c\/strong\u003e: Denotes the Omron NX series modular I\/O platform designed for EtherCAT and EtherNet\/IP bus couplers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC\u003c\/strong\u003e: Designates high-speed position and encoder input signal processing modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0122\u003c\/strong\u003e: Specifies a single-channel incremental encoder interface utilizing 24 VDC PNP inputs with a maximum input frequency of 500 kHz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Physical \u0026amp; Electrical Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNX-EC0122\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eIncremental Encoder Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eNX I\/O Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e1 Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003eIncremental Encoder, PNP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Input Frequency\u003c\/td\u003e\n\u003ctd\u003e500 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing\u003c\/td\u003e\n\u003ctd\u003eFree running, Synchronous, Task period prioritized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003ePush-in Terminal (16-point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetachable Terminal Block\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIOV (V+) Terminals\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIOG (V-) Terminals\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (Unpacked)\u003c\/td\u003e\n\u003ctd\u003e70 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1000 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (Height x Width x Depth)\u003c\/td\u003e\n\u003ctd\u003e104.5 mm x 12.0 mm x 80.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Speed Backplane Bus Synchronization \u0026amp; Determinism\u003c\/h3\u003e\n\u003cp\u003eThe NX-EC0122 interfaces directly with the NX bus backplane, transmitting high-frequency pulse counts to the primary motion controller within deterministic EtherCAT update cycles. Internal hardware latches pulse transitions up to 500 kHz without frame drop, maintaining exact time-stamped synchronization across multi-axis motion networks. Backplane firmware synchronization minimizes processing jitter during rapid acceleration and deceleration sequences.\u003c\/p\u003e\n\u003ch3\u003eComplete Scope of Delivery \u0026amp; Package Manifest\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron NX-EC0122 Encoder Input Module\u003c\/li\u003e\n\u003cli\u003e1 x Detachable 16-pin Push-in Terminal Block\u003c\/li\u003e\n\u003cli\u003e1 x Terminal Identification Label Strip\u003c\/li\u003e\n\u003cli\u003e1 x Printed Industrial Installation Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Mounting \u0026amp; Wiring Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Interface\u003c\/strong\u003e: Mount vertically onto standard 35 mm DIN rail (TH35-7.5\/TH35-15). Ensure top and bottom retaining clips snap securely into position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring\u003c\/strong\u003e: Strip solid or ferruled wires to 10 mm. Insert conductors directly into the push-in terminals without tools. Use a flat-blade screwdriver (2.5 mm width) to release unferruled stranded wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding Protocol\u003c\/strong\u003e: Route encoder signal lines in shielded twisted-pair cables. Ground the cable shield at the dedicated functional ground terminal on the NX bus power supply module to prevent high-frequency noise interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparation Distance\u003c\/strong\u003e: Maintain a minimum physical clearance of 100 mm between encoder signal wiring and high-voltage power lines or variable frequency drive (VFD) output cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Operational Characteristics \u0026amp; Technical Directives\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the PNP encoder input channel process differential versus single-ended signals?\u003c\/p\u003e\n\u003cp\u003eThe NX-EC0122 accepts 24 VDC PNP single-ended signals. Differential RS-422 signals are not natively supported and require external signal conditioning modules prior to terminal connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum permissible cable length between the incremental encoder and the module?\u003c\/p\u003e\n\u003cp\u003eThe maximum recommended signal line length is 30 meters, provided low-capacitance shielded cables are used to limit signal attenuation at the maximum 500 kHz counting frequency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the detachable push-in terminal block be removed under power?\u003c\/p\u003e\n\u003cp\u003eNo. Disconnect backplane power and field power before detaching the terminal block to prevent unexpected latch-up states or transient electrical damage to internal logic circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are the IOV and IOG terminals utilized on the terminal block?\u003c\/p\u003e\n\u003cp\u003eThe 4 IOV (V+) and 4 IOG (V-) terminals provide internal branch distribution for auxiliary field sensors and encoder power supply lines directly from the module interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat signal processing mode should be configured for strict motion synchronization?\u003c\/p\u003e\n\u003cp\u003eSelect Synchronous I\/O refreshing mode in the controller configuration to tie encoder counter latching directly to the EtherCAT distributed clock (DC) cycle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens if the input frequency exceeds the 500 kHz limit?\u003c\/p\u003e\n\u003cp\u003eExceeding 500 kHz results in pulse attenuation, missed counts, or position tracking errors without triggering an immediate hardware fault on the backplane bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the NX-EC0122 support onboard digital outputs for high-speed cam switches?\u003c\/p\u003e\n\u003cp\u003eNo. The NX-EC0122 contains zero pulse or digital output channels. Output processing must be routed via dedicated digital output modules over the backplane bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs functional safety or SIL rating applicable to the NX-EC0122 module?\u003c\/p\u003e\n\u003cp\u003eNo. The NX-EC0122 is a standard position-feedback card and carries no SIL safety certification according to IEC 61508.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306653040813,"sku":"NX-EC0122","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/nx-ec0122_2.jpg?v=1790660449","url":"https:\/\/www.maxwellplc.com\/ga\/products\/nx-ec0122-omron-nx-i-o-series-encoder-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}