{"product_id":"beckhoff-ip1502-b400-fieldbus-box-2-channel-counter-module","title":"Beckhoff IP1502-B400 Fieldbus Box 2-Channel Counter Module","description":"\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  Processing high-frequency pulse trains directly at the machine level, the \u003cstrong\u003eBeckhoff IP1502-B400\u003c\/strong\u003e Fieldbus Box serves as a decentralized 2-channel up\/down counter module designed for Interbus networks. This rugged IP67-rated device enables direct field installation without a control cabinet, capturing rapid pulse sequences from rotary encoders, flow meters, and proximity sensors with high precision.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eDual independent counter channels supporting up\/down counting and gated pulse measurement.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed input processing capable of handling frequencies up to 100 kHz.\u003c\/li\u003e\n  \u003cli\u003eDirect Interbus fieldbus integration via standard M12 connection interfaces.\u003c\/li\u003e\n  \u003cli\u003eIP67-rated encapsulation, providing robust protection against moisture, dust, and mechanical vibration.\u003c\/li\u003e\n  \u003cli\u003eIntegrated 24 V DC sensor supply outputs directly from the module.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem;\"\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDecentralized Motion Tracking:\u003c\/strong\u003e Real-time rotary encoder feedback for positioning systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Measurement:\u003c\/strong\u003e High-accuracy pulse counting from liquid and gas flow meters in processing plants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConveyor and Sorting Systems:\u003c\/strong\u003e High-speed piece counting and material tracking across distributed lines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed Monitoring:\u003c\/strong\u003e Calculating rotational velocity on industrial drive shafts and turbines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem;\"\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: 0.75rem; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; 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: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eIP1502-B400\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eFieldbus Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eInterbus\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNumber of Channels\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2 independent counters\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eMaximum Input Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e100 kHz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNominal Operating Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\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: 0.75rem; font-weight: bold;\"\u003eSensor Supply Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e24 V DC, derived from auxiliary power supply\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eConnection Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eM12 screw connectors (5-pin)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eIngress Protection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eIP67 (when all connectors are mated or sealed)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e0 degC to +55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e-25 degC to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eGermany\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e0.35 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e18.0 x 6.0 x 5.0 cm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem;\"\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: 0.75rem; font-weight: bold;\"\u003eM12 Connector Pin\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eInterbus IN Function\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eInterbus OUT Function\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eCounter Input Function\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: 0.75rem; font-weight: bold;\"\u003ePin 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDO (Data Out)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDO (Data Out)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e+24 V DC Sensor Supply\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePin 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e\/DO (Data Out Inverted)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e\/DO (Data Out Inverted)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eInput B (Direction \/ Pulse)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePin 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDI (Data In)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eDI (Data In)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eGND (Sensor Ground)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePin 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e\/DI (Data In Inverted)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e\/DI (Data In Inverted)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eInput A (Count \/ Gate)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePin 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eGND (Signal Ground)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eGND (Signal Ground)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePE (Functional Earth)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  The IP1502-B400 is specifically designed for Interbus installations using the B400 protocol profile. If migrating to EtherCAT or PROFIBUS networks, this module must be replaced with the EP1518 or IP1502-B310\/B510 variants. Ensure that your Interbus master configuration file (CMD software or equivalent) is updated with the correct ID code and length code matching the IP1502-B400 to prevent bus cycle mismatch errors.\n\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  When operating at the maximum 100 kHz input frequency, signal attenuation over long cable runs can lead to missed pulses. It is highly recommended to limit sensor cable lengths to under 10 meters and use low-capacitance, shielded twisted-pair cabling. In high-vibration environments, ensure the M12 connectors are torqued to the manufacturer-specified 0.6 Nm to maintain the IP67 seal and prevent intermittent contact.\n\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\n  Always ground the module locally using the integrated grounding lug or by mounting it directly to a grounded, unpainted metallic machine frame. Proper grounding is critical for suppressing high-frequency electromagnetic interference (EMI) generated by nearby variable frequency drives (VFDs) and servo motors, which can otherwise corrupt the high-speed counter registers.\n\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem; margin-top: 1.5rem;\"\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;\"\u003e\n    De-energize all power sources (both logic supply and auxiliary sensor power) before mounting, connecting, or disconnecting the module. Failure to do so can cause permanent damage to the internal Interbus transceiver circuitry and result in unpredictable machine behavior.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the Fieldbus Box securely to a flat, vibration-resistant surface using two M4 screws through the integrated mounting holes.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the Interbus incoming and outgoing cables to the corresponding M12 ports, ensuring correct keyway alignment before tightening.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the counter inputs using shielded M12 sensor cables. Terminate the shield at both the sensor housing and the module's PE pin.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eApply 24 V DC auxiliary power, verify that the status LEDs indicate active communication, and perform a register test via the Interbus master.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106451710315,"sku":"IP1502-B400","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ip1502-b400-hhe1d52a53q.png?v=1776244903","url":"https:\/\/www.plcprotech.com\/pt\/products\/beckhoff-ip1502-b400-fieldbus-box-2-channel-counter-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}