{"product_id":"beckhoff-epp2817-0008-ethercat-p-box-24-channel-digital-output-module","title":"Beckhoff EPP2817-0008 EtherCAT P Box 24-channel Digital Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eOptimized for space-constrained, decentralized automation architectures, the \u003cstrong\u003eBeckhoff EPP2817-0008\u003c\/strong\u003e provides a high-density digital output interface directly in the field without requiring an electrical enclosure. This ruggedized EtherCAT P Box module incorporates \u003cstrong\u003e24 digital outputs\u003c\/strong\u003e in a single housing, utilizing a compact 25-pin D-sub interface to distribute power to actuators, contactors, and indicators. By utilizing \u003cstrong\u003eEtherCAT P technology\u003c\/strong\u003e, the unit integrates ultra-high-speed data transmission and dual 24 V DC power supplies (US for control voltage and UP for peripheral load voltage) into a single, standardized P-coded M8 connection, dramatically reducing cabling complexity, weight, and installation footprints.\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\u003eHigh Density I\/O:\u003c\/strong\u003e 24 digital outputs packed into a highly compact, IP67-rated form factor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-Cable Automation:\u003c\/strong\u003e EtherCAT P technology combines communication and system\/load power into one P-coded M8 line.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection:\u003c\/strong\u003e Each channel is individually protected against short circuits, limit-tested at 1.0 A maximum peak current.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Diagnostics:\u003c\/strong\u003e Dedicated hardware monitoring detects undervoltage conditions below 18 V DC for both US and UP supply lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistributed Clocks:\u003c\/strong\u003e Native EtherCAT Distributed Clocks support ensures precise output synchronization with fast switching dynamics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSevere Environment Protection:\u003c\/strong\u003e Fully encapsulated IP65, IP66, and IP67 protection classes make the module resistant to dust, moisture, and high-pressure washdowns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eModular assembly machinery and robotic end-of-arm tooling.\u003c\/li\u003e\n  \u003cli\u003eDecentralized conveyor systems, sorting systems, and material handling lines.\u003c\/li\u003e\n  \u003cli\u003ePackaging machinery requiring distributed valve terminal and actuator controls.\u003c\/li\u003e\n  \u003cli\u003eAutomotive assembly lines and tooling systems exposed to high vibration.\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification Value\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: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Reference\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEPP2817-0008\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCommunication Protocol\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEtherCAT P\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eBus Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2 x M8 socket, shielded, screw type, P-coded (Upstream\/Downstream)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNumber of Digital Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e24\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOutput Connection Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eD-sub socket, 25-pin, UNC4-40 mounting thread\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePermissible Load Types\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOhmic (resistive), inductive, lamp load\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNominal Output Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\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: 8px; font-weight: bold;\"\u003eMaximum Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.5 A per channel (short-circuit proof), 3.0 A cumulative sum max\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSwitching Execution Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical Turn-on (TON): 10 us | Typical Turn-off (TOFF): 50 us\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShort-Circuit Current Limit\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMaximum 1.0 A peak per channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCurrent Consumption (from US)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical 100 mA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAuxiliary Power Current (from UP)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eTypical 20 mA + connected load current\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e500 V RMS (test voltage)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-25 to +60 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eStorage Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-40 to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eVibration\/Shock Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEMC Immunity and Emission\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConforms to EN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEnvironmental Protection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\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: 8px; font-weight: bold;\"\u003eStandards and Approvals\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCE, UL\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.165 kg (approx. 165 g)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.500 kg\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 #1a365d; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eConnector Port\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003ePhysical Type\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; 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: 8px; font-weight: bold;\"\u003eEtherCAT P Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eM8, 4-pin socket, P-coded\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIncoming EtherCAT communication, US system\/sensor power, UP load\/actuator power\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEtherCAT P Output\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eM8, 4-pin socket, P-coded\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOutgoing EtherCAT communication and power daisy-chain to downstream EPP modules\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDigital Outputs (1 to 24)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e25-pin D-sub socket, UNC4-40\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePin 1 to 24: Digital Output Channels | Pin 25: Common Ground (GND)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models and Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \u003cstrong\u003eEPP2817-0008\u003c\/strong\u003e represents the advanced EtherCAT P single-cable variant of the standard EP2817 multi-cable systems. Note that standard EtherCAT (EP-series, A\/D-coded) and EtherCAT P (EPP-series, P-coded) cannot be interconnected directly without an EP9224 or EP9228 power injector\/junction box. When planning hardware transitions from legacy layouts, confirm your TwinCAT system manager configurations are updated with the XML device description file (ESI) specifically generated for EtherCAT P modules.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls and Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhile individual outputs are capable of switching a nominal load of 0.5 A, system designers must rigorously observe the cumulative current budget. The maximum total sum current of the module is strictly capped at \u003cstrong\u003e3.0 A\u003c\/strong\u003e due to structural thermal constraints within the IP67 housing. Operating the module above this limit will trigger thermal protection and localized shut-downs. Additionally, because inductive loads generate inverse EMF voltage spikes, external freewheeling diodes should be used on high-inductance solenoids to preserve switching life, despite internal clamping protective circuits.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning and Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eTo maintain maximum electromagnetic compatibility (EMC) in harsh industrial environments, always use fully shielded 25-pin D-sub mating cables with the outer shield terminated to the metallic D-sub shell backshell. Ensure that the M8 P-coded locking nuts are tightened using a calibrated torque wrench (typically 0.4 Nm) to guarantee the IP67 rating and avoid continuous micro-interruptions in high-vibration applications.\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 Completely de-energize the entire segment of the EtherCAT P network, including both control voltage (US) and peripheral power supply (UP), prior to mating or unmating any electrical connection. Plugging or unplugging the M8 P-coded or 25-pin D-sub connectors under load can result in permanent contact degradation, electrical arcing, and internal component damage.\n\u003c\/div\u003e\n\n\u003col style=\"list-style-type: none; padding-left: 0; color: #2d3748;\"\u003e\n  \u003cli style=\"margin-bottom: 1rem; display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cspan\u003eMount the module securely on an even mounting surface using M3 bolts through the mounting holes on the top and bottom flanges. Do not exceed 0.8 Nm tightening torque on the mounting bolts.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 1rem; display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cspan\u003eConnect the shielded 25-pin D-sub actuator wiring cable. Tighten the UNC4-40 retention screws thoroughly to provide correct mechanical strain relief and ensure an IP67 seal.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 1rem; display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cspan\u003eThread and secure the incoming EtherCAT P M8 cable (P-coded) from the master controller or previous node to the input port. Torque the M8 ring to 0.4 Nm.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 1rem; display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; font-weight: bold; margin-right: 10px; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cspan\u003eApply system power and verify link statuses utilizing the integrated LED indicators for EtherCAT link status (L\/A) and voltage status (US\/UP).\u003c\/span\u003e\n  \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106506760555,"sku":"EPP2817-0008","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/epp2817-0008-tp1fzoujdl3.png?v=1776244747","url":"https:\/\/www.plcprotech.com\/tr\/products\/beckhoff-epp2817-0008-ethercat-p-box-24-channel-digital-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}