{"product_id":"beckhoff-er1258-0002-ethercat-box-8-channel-digital-input-module","title":"Beckhoff ER1258-0002 EtherCAT Box 8-channel Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for decentralized industrial topologies, the Beckhoff ER1258-0002 EtherCAT Box functions as an IP67-rated digital input interface designed to capture high-speed signals under extreme environmental conditions. This module features 8 digital inputs, including two channels equipped with sub-microsecond timestamping functionalities. Encased in a robust zinc die-cast housing, the Beckhoff ER1258-0002 processes signal states directly at the machine level, bypassing the need for protective control cabinets and minimizing field wiring complexity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Timestamping:\u003c\/strong\u003e Channels 0 and 1 support Distributed Clocks (DC) with a 1 ns timestamp resolution for high-accuracy event logging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial Protection:\u003c\/strong\u003e IP65, IP66, and IP67 sealed rating for direct machine-mount installation without an enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Housing:\u003c\/strong\u003e Zinc die-cast construction offers superior resistance to mechanical shock, vibration, and corrosive elements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandardized Connectivity:\u003c\/strong\u003e M12 input connections paired with M8 EtherCAT and power interfaces guarantee secure, vibration-proof wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Integrated sensor supply tracking from the control voltage with a total current limit of 0.5 A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eHigh-speed packaging machinery requiring microsecond-level synchronization.\u003c\/li\u003e\n  \u003cli\u003eDecentralized assembly lines and conveyor networks exposed to moisture and dust.\u003c\/li\u003e\n  \u003cli\u003eAutomotive manufacturing cells with high vibration and electromagnetic interference (EMI).\u003c\/li\u003e\n  \u003cli\u003eTest benches and measurement stations utilizing Distributed Clock technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\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; border: 1px solid #cbd5e0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eValue \/ Detail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\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 #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eER1258-0002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eProtocol \/ Fieldbus\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eEtherCAT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eNumber of Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e8 (including 2 with timestamp configuration)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eInput Connections\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 x M12 (5-pin, A-coded)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eBus Connections\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 x M8 socket (shielded, screw connection)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eNominal Input Voltage\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 #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eInput Filter Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e10 microseconds\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eSignal States (EN 61131-2, Type 3)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e\"0\" Signal: -3 to +5 V | \"1\" Signal: 11 to 30 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eDistributed Clocks\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eYes (Precision \u0026lt; 100 ns, Resolution 1 ns on Channel 0\/1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eCurrent Consumption (from US)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e120 mA (excluding sensor load)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003ePower Ports\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFeed: 1 x M8 male (4-pin); Downstream: 1 x M8 female (4-pin)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e500 V RMS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-25 to +60 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eStorage Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-40 to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eIngress Protection 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 #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e30 mm x 126 mm x 26.5 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eHousing Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eZinc die-cast\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e265 g\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.0 kg (including secure industrial packaging)\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; border: 1px solid #cbd5e0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eConnector Port\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eType\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eTypical Pin Assignment \u0026amp; Function\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eInput Channels 0 to 7\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #cbd5e0;\"\u003e4 x M12 (2 channels per port)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePin 1: +24 V DC sensor supply; Pin 2: Input B; Pin 3: GND; Pin 4: Input A; Pin 5: FE (Functional Earth).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003eEtherCAT Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #cbd5e0;\"\u003eM8 female, 4-pin, shielded\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePin 1: Tx+; Pin 2: Rx+; Pin 3: Rx-; Pin 4: Tx-. Screw-type shielding connection.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #cbd5e0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #cbd5e0;\"\u003ePower Supply Feed\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #cbd5e0;\"\u003eM8 male, 4-pin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePin 1: +24 V DC control voltage (US); Pin 2: +24 V DC peripheral voltage (UP); Pin 3: GNDS; Pin 4: GNDP.\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\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe zinc-cast ER1258-0002 serves as a highly rugged alternative to the plastic-housing EP1258-0002. They share identical functional parameters and TwinCAT XML (ESI) profiles. Ensure that TwinCAT 3 (Build 4020 or higher) is implemented to fully utilize the sub-microsecond Distributed Clock (DC) diagnostics and synchronization performance of the ER1258-0002.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo prevent timing inaccuracies on the high-speed timestamp inputs (channels 0 and 1), avoid using sensors with switching delays greater than 5 microseconds. Standard proximity sensors often introduce an inherent delay that compromises the nanosecond synchronization capability of the hardware. Additionally, ensure the sensor supply draw does not exceed the integrated 0.5 A limit to avoid triggering the internal electronic short-circuit protection.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways utilize shielded M8 fieldbus cables to connect the EtherCAT ports. The screw-type shielding on the zinc housing must establish continuous metallic contact with the cable shield to minimize electromagnetic noise on high-frequency signals. Unused M12 and M8 connections must be sealed using IP67 protective caps to prevent humidity ingress and preserve environmental ratings.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e De-energize all primary control and peripheral power supplies (US and UP) before mounting or connecting the module. Failure to isolate power lines can result in electrical shock, critical hardware damage, or unpredictable machine behavior. Ensure ground potential (FE) is established via the mounting holes.\n\u003c\/div\u003e\n\n\u003col style=\"list-style-type: none; padding-left: 0; margin-bottom: 1.5rem;\"\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"margin: 0; color: #2d3748;\"\u003eMount the zinc die-cast housing onto a flat, grounded metal surface using two M3 screws through the 3.5 mm diameter mounting holes. Torque the mounting screws to 0.8 Nm.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"margin: 0; color: #2d3748;\"\u003eSecure the incoming and outgoing EtherCAT lines to the M8 sockets. Ensure the screw collar is fully tightened to maintain the IP67 sealing integrity.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"margin: 0; color: #2d3748;\"\u003eConnect the 24 V DC power supply lines to the 4-pin M8 feed interface, monitoring current limits to prevent overloading downstream units.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"margin: 0; color: #2d3748;\"\u003eAttach digital inputs to the M12 sockets using A-coded cables. Configure input filters and distributed clock variables within the TwinCAT system manager.\u003c\/p\u003e\n  \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106530550123,"sku":"ER1258-0002","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/er1258-0002-o31gnwpob3d.png?v=1776244776","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-er1258-0002-ethercat-box-8-channel-digital-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}