{"product_id":"prosoft-1552-mbs-modbus-communication-interface-module","title":"ProSoft 1552-MBS Modbus Communication Interface Module for 1336 Drives","description":"\u003cdiv style=\"max-width:100%;margin:0 auto;font-family:Arial,Helvetica,sans-serif;color:#1a1a1a;font-size:15px;line-height:1.6;overflow-wrap:anywhere;\"\u003e\n  \u003ch1 style=\"font-size:22px;line-height:1.3;margin:0 0 12px;color:#1a1a1a;\"\u003eProSoft 1552-MBS Modbus Communication Interface (External Enclosed Version)\u003c\/h1\u003e\n  \u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eThe \u003cstrong\u003eProSoft 1552-MBS\u003c\/strong\u003e is an external enclosed Modbus protocol interface module for Allen‑Bradley 1336 series variable frequency drives, part of the legacy 1550-MBS product family. It enables Modbus RTU serial communication to read drive status, adjust parameters and perform diagnostics for 1336 VFDs.\u003c\/p\u003e\n  \u003ch2 style=\"font-size:18px;margin:18px 0 8px;color:#1a1a1a;\"\u003eKey Features\u003c\/h2\u003e\n  \u003cul style=\"margin:0 0 12px;padding-left:20px;\"\u003e\n    \u003cli\u003eExternal enclosed housing variant of 1550-MBS for 1336 VFD\u003c\/li\u003e\n    \u003cli\u003eModbus RTU serial interface, RS485 multi-drop bus\u003c\/li\u003e\n    \u003cli\u003eAllows Modbus master to access drive parameters, fault codes, speed reference \u0026amp; feedback\u003c\/li\u003e\n    \u003cli\u003eDIP switch configuration for address, baud rate, parity\u003c\/li\u003e\n    \u003cli\u003ePower supply: 120 VAC input power for external enclosure model\u003c\/li\u003e\n    \u003cli\u003eLegacy product, designed for retrofitting existing 1336 drive installations\u003c\/li\u003e\n    \u003cli\u003eStatus LED indicators for power and communication activity\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch2 style=\"font-size:18px;margin:18px 0 8px;color:#1a1a1a;\"\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;margin:0 0 12px;\"\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;font-weight:bold;\"\u003ePart Number\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e1552-MBS\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eProduct Type\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eModbus RTU Communications Interface for 1336 VFD\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eEnclosure Type\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eExternal enclosed unit (1552 variant)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePower Input\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e120 VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eCommunication Interface\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eRS485, Modbus RTU\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eSupported Device\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAllen‑Bradley 1336 adjustable frequency AC drive\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eModbus Functionality\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eModbus Slave, accessible by Modbus RTU master\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eConfiguration Method\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eOn-board DIP switches\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eBaud Rate Options\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e1200, 2400, 4800, 9600, 19200 bps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eParity\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eNone \/ Odd \/ Even configurable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eOperating Temperature\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e0°C ~ +60°C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eStorage Temperature\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e-40°C ~ +85°C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background:#f6f6f6;\"\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHumidity\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e5% ~ 95% non-condensing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eProduct Status\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eLegacy \/ Obsolete\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003ch2 style=\"font-size:18px;margin:18px 0 8px;color:#1a1a1a;\"\u003eApplications\u003c\/h2\u003e\n  \u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eLegacy drive retrofit projects, connect Allen‑Bradley 1336 VFDs to Modbus RTU master PLCs, SCADA and HMI systems for remote speed control, parameter modification and fault diagnostics in water treatment, conveyor and pump systems.\u003c\/p\u003e\n  \u003ch2 style=\"font-size:18px;margin:18px 0 8px;color:#1a1a1a;\"\u003eWarranty \u0026amp; Notes\u003c\/h2\u003e\n  \u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eSupplied by independent automation supplier SHLY-PLC, not an authorized ProSoft distributor. Cross-check all parameters before installation. This is an obsolete legacy product. Refer to ProSoft 1550-MBS user manual for full installation and safety instructions.\u003c\/p\u003e\n  \u003ch2 style=\"font-size:18px;margin:18px 0 8px;color:#1a1a1a;\"\u003eFAQ\u003c\/h2\u003e\n  \u003cp style=\"margin:0 0 6px;line-height:1.6;\"\u003e\u003cstrong\u003eQ: What is the difference between 1550-MBS,1551-MBS and 1552-MBS?\u003c\/strong\u003e\u003cbr\u003eA: 1550 is core board; 1551 is internal mount card for 1336 drive; 1552-MBS is external enclosed standalone version.\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 6px;line-height:1.6;\"\u003e\u003cstrong\u003eQ: Can it work with other VFD brands?\u003c\/strong\u003e\u003cbr\u003eA: No, designed exclusively for Allen‑Bradley 1336 series AC drives only.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"ProSoft Technology","offers":[{"title":"Default Title","offer_id":71124745388285,"sku":"1552-MBS","price":3072.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/5665\/3309\/files\/PLX35-NB2-Product-Photo_medium_4333ea5f-244a-4bd0-922f-1f7c22c03ed9.png?v=1790855285","url":"https:\/\/shly-plc.com\/products\/prosoft-1552-mbs-modbus-communication-interface-module","provider":"SHLY-PLC","version":"1.0","type":"link"}