{"product_id":"beckhoff-ip1502-b800-fieldbus-box-2-channel-counter-input-module","title":"Beckhoff IP1502-B800 Fieldbus Box 2-Channel Counter Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for high-speed pulse processing in decentralized automation setups, the \u003cstrong\u003eBeckhoff IP1502-B800\u003c\/strong\u003e serves as a robust 2-channel counter module within the Fieldbus Box architecture. This dust- and water-tight field I\/O unit integrates two independent 32-bit counters capable of handling pulse frequencies up to \u003cstrong\u003e100 kHz\u003c\/strong\u003e, making it suitable for rotational speed measurement, length acquisition, and positioning tasks directly in harsh field environments. Utilizing an RS485 transmission medium, this device communicates via a documented open serial protocol, enabling reliable integration into distributed control systems without requiring an additional protective enclosure.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\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\u003eDual High-Speed Counters:\u003c\/strong\u003e Two independent 32-bit counters with a maximum input frequency of 100 kHz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Inputs:\u003c\/strong\u003e Incorporates 2 counter inputs, 2 gate inputs, and 2 up\/down switches for directional counting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Outputs:\u003c\/strong\u003e Features 2 short-circuit-proof 24 V DC outputs rated at 0.5 A for direct actuator control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRugged Fieldbus Box Design:\u003c\/strong\u003e Fully encapsulated IP67-rated housing for direct on-machine mounting without control cabinets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRS485 Communication:\u003c\/strong\u003e Uses shielded copper cabling supporting variable transmission speeds up to 38.4 kbaud over distances up to 1200 meters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Configuration:\u003c\/strong\u003e Configurable parameters, parameters, and operation modes via the Beckhoff KS2000 software tool.\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 pulse acquisition for industrial flowmeters and encoder tracking.\u003c\/li\u003e\n  \u003cli\u003eDecentralized positioning and length measurement in woodworking and metalworking machinery.\u003c\/li\u003e\n  \u003cli\u003eRotational speed (RPM) monitoring in wind power plants and heavy-duty conveyor systems.\u003c\/li\u003e\n  \u003cli\u003eIn-line parts counting and packaging line synchronization.\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 #e2e8f0;\"\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 #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; 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: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBeckhoff\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eModel Identifier\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP1502-B800\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eFieldbus Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRS485 (1 x M12 socket, 5-pin, B-coded)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eNumber of Counters\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 (32-bit depth each)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eCounting Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e100 kHz (2 kHz for up\/down switching)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\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 #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eSignal Voltage Level\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e\"0\" signal: -3 to +5 V | \"1\" signal: 11 to 30 V (EN 61131-2, type 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eDigital Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 x 24 V DC, 0.5 A (short-circuit proof)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eSensor Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDerived from control voltage, max 0.5 A total, short-circuit proof\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePower Connections\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFeed: M8 male, 4-pin; Downstream: M8 female, 4-pin\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eCurrent Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e45 mA + sensor load (max 0.5 A)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eEnclosure 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; border-right: 1px solid #e2e8f0;\"\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; border-right: 1px solid #e2e8f0;\"\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; border-right: 1px solid #e2e8f0;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e30 mm x 175 mm x 26.5 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eHousing Material\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePolyamide PA6\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eapprox. 210 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; border-right: 1px solid #e2e8f0;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.0 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; border: 1px solid #e2e8f0;\"\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 #e2e8f0;\"\u003eInterface Connection\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eConnector Type\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eFunction \/ Pin Mapping\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; border-right: 1px solid #e2e8f0;\"\u003eBus Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003e1 x M12 socket, 5-pin, B-coded\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRS485 Serial Comm (RxD\/TxD-A, RxD\/TxD-B, GND, Shield)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePower Feed\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003e1 x M8 male, 4-pin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 V DC control voltage (Us), load voltage (Up), GNDs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePower Downstream\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003e1 x M8 female, 4-pin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFeed-through loop-out for adjacent Fieldbus Boxes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eSignal Connections\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eM12 screw-type sockets\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eChannel 1 \u0026amp; 2 inputs (counter, gate, up\/down), auxiliary sensor supply, and digital outputs\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 B800 series utilizes Beckhoff's proprietary RS485 serial fieldbus protocol. It is primarily compatible with serial coupling networks like the IPxxxx-B800 and IL230x-B800 couplers. If migrating to modern protocols such as EtherCAT or PROFINET, equivalent units from the EP series (such as the EP1518 or EP5101) should be evaluated. Ensure your master controller has the correct serial interface card configured to parse the 80-bit process image (comprising 2 x 32-bit counter values along with control\/status words).\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen operating at the maximum frequency of 100 kHz, ensure that signal cabling is strictly shielded and kept separate from high-power motor lines. Standard M12 unshielded cables can pick up inductive noise, causing false pulse increments. Also note that up\/down switching logic relies on a hardware signal that has a reduced frequency threshold of 2 kHz; attempting to toggle direction faster than this rate can lead to mismatched positional register counts.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways configure the serial communication baud rate via the KS2000 software before deployment. The default baud rate is set to 38.4 kbaud. When daisy-chaining multiple boxes along the RS485 bus, a termination resistor (120 Ohm) must be placed at the final physical node on the network to prevent transmission reflections, especially over long cable runs exceeding 100 meters.\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;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eDisconnect all power sources (control voltage Us and load voltage Up) before installing or disconnecting M8 and M12 connectors. Operating connections under load can cause electrical arcing, damage high-sensitivity internal counter components, and compromise the unit's ingress protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.9rem;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the Fieldbus Box using the 2 integrated 3.5 mm mounting holes with M3 hardware. Ensure the mounting surface is flat to prevent torque stress on the polyamide housing.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.9rem;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTighten all mating M12 and M8 cable connectors to the specified torque values (0.6 Nm for M12, 0.4 Nm for M8) to guarantee an IP67 liquid-tight seal.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.9rem;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eApply 24 V DC to the M8 power feed port and verify status LEDs illuminate, confirming the internal control circuitry is active prior to initiating serial communication.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106466324843,"sku":"IP1502-B800","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ip1502-b800-zgcwgwub2wh.png?v=1776244910","url":"https:\/\/www.plcprotech.com\/fa\/products\/beckhoff-ip1502-b800-fieldbus-box-2-channel-counter-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}