{"product_id":"beckhoff-er3184-0002-ethercat-box-4-channel-analog-input-module","title":"Beckhoff ER3184-0002 EtherCAT Box 4-channel Analog Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for direct field deployment without a control cabinet, the \u003cstrong\u003eBeckhoff ER3184-0002\u003c\/strong\u003e EtherCAT Box provides high-precision processing of up to four analog input signals in harsh environments. This module enables software-parameterizable selection between \u003cstrong\u003evoltage (-10\/0 to +10 V)\u003c\/strong\u003e and \u003cstrong\u003ecurrent (0\/4 to 20 mA)\u003c\/strong\u003e measurements on a per-channel basis. Housed in a robust, zinc die-cast shell with an IP67 protection rating, it processes signals with a \u003cstrong\u003e16-bit resolution\u003c\/strong\u003e and fast conversion times, making it ideal for distributed machinery and process loops requiring high noise immunity.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eFour single-ended, individually configurable analog inputs.\u003c\/li\u003e\n  \u003cli\u003e16-bit analog-to-digital resolution (including sign) for high signal fidelity.\u003c\/li\u003e\n  \u003cli\u003eRobust IP65\/66\/67 physical encapsulation, eliminating the need for protective field enclosures.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed conversion rate of approximately 100 microseconds per channel.\u003c\/li\u003e\n  \u003cli\u003eSupport for Distributed Clocks (DC) to ensure tight synchronization across the entire EtherCAT network.\u003c\/li\u003e\n  \u003cli\u003eConfigurable input filter limit frequency up to 5 kHz.\u003c\/li\u003e\n  \u003cli\u003eStandardized M12 input connections alongside reliable M8 EtherCAT communication ports.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eCabinet-free on-machine sensor consolidation in automotive and manufacturing assembly lines.\u003c\/li\u003e\n  \u003cli\u003eDistributed process parameters monitoring, including flow, temperature, and pressure transmitters.\u003c\/li\u003e\n  \u003cli\u003eAutomated materials handling and conveyor systems operating in wet or dusty processing plants.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed parameter recording systems utilizing TwinCAT-based distributed clocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eER3184-0002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNumber of Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 (single-ended)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSignal Ranges\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-10 to +10 V | 0\/4 to 20 mA (parameterizable per channel)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eResolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e16 bits (including sign)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConversion Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e~ 100 microseconds\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInternal Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e\u0026gt; 200 kOhm (voltage) | typ. 85 Ohm + diode voltage (current)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCommon-Mode Voltage (UCM)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMax. 35 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMeasurement Uncertainty\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e\u0026lt; ±0.3 % (relative to full scale value)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDistributed Clocks (DC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSupported, high-precision synchronization\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Filter\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConfigurable, limit frequency 5 kHz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNominal Power Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCurrent Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e120 mA from US\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e500 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eIP Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP65 \/ IP66 \/ IP67 (conforms to EN 60529)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-25 to 85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eWeight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eApprox. 265 g\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStandards \u0026amp; Approvals\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCE, UL\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eConnector \/ Pin\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eFunctional Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eM8 Bus Sockets (2 x Shielded)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eEtherCAT IN \/ EtherCAT OUT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eM12 Socket Pin 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+24 V DC sensor supply (derived from UP)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eM12 Socket Pin 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog input + (Voltage \/ Current)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eM12 Socket Pin 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eGND (Sensor supply ground)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eM12 Socket Pin 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog input - (Signal ground)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eM12 Socket Pin 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eShield \/ Functional Earth (FE)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe ER3184-0002 serves as a ruggedized, field-mounted alternative to the cabinet-based EP3184-0002 EtherCAT Box. Both modules feature identical electronic behavior and parameterization registers via TwinCAT. However, the ER3184 housing is fabricated from heavy-duty zinc die-cast, whereas EP-series modules utilize lighter plastic housings. Direct firmware drop-in compatibility is maintained from TwinCAT 2.11 Build 2040 and TwinCAT 3.x onwards.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen configuring channels for current mode (0 to 20 mA or 4 to 20 mA), the internal input pathway pathways route through an 85 Ohm shunt in series with a protection diode. System designers must ensure that the driving sensor has sufficient compliance voltage to overcome this diode forward drop under full-scale current loops, especially when powering passive loop-powered devices.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo guarantee IP67 sealing and maintain shielding performance, all unused M12 and M8 connections must be sealed using authentic Beckhoff protective caps. Ground the zinc housing directly to the machine bed through a dedicated low-impedance earthing strap. This prevents ground loops and ensures high-frequency noise is successfully shunted away from the sensitive 16-bit A\/D converters.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e De-energize all primary field power supplies (US and UP) before mounting or connecting the EtherCAT Box. Ground potential differences between physical nodes can cause instantaneous destruction of the logic interface or damage sensor inputs if connections are hot-plugged.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eMount the ER3184-0002 to a flat metal surface using two M3 screws through the integral mounting holes to establish a robust mechanical and thermal interface.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eAttach the M8 EtherCAT communication cables (IN and OUT ports) using a torque wrench calibrated to 0.4 Nm to maintain ingress protection integrity.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eConnect the analog sensor cables to the appropriate M12 channels. Ensure you apply the proper pinout configuration for active versus passive current loop requirements.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eSupply 24 V DC to the M8 power inlet (US and UP). Open TwinCAT, scan the EtherCAT loop, and configure the CoE (CAN over EtherCAT) variables to match the sensors' voltage or current profiles.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106456625515,"sku":"ER3184-0002","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/er3184-0002-4qnwd5bblnl.png?v=1776244799","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-er3184-0002-ethercat-box-4-channel-analog-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}