{"product_id":"allen-bradley-1746-bas-basic-module-ships-overnight","title":"1746-BAS | Allen-Bradley SLC 500 BASIC Module with 2 Serial Ports","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Allen-Bradley 1746-BAS is a BASIC Language Module for the SLC 500 platform, designed to handle advanced data processing, communication, and integration tasks. With two multi-mode serial ports and one DH-485 port, it supports connectivity to HMIs, printers, modems, data collection devices, and external systems. This module expands SLC controller functionality by providing programmable BASIC-language capability and 24 KB of battery-backed RAM for user programs and data storage.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eNew \/ Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e1746-BAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eSLC BASIC Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e24 KB battery-backed RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003ePRT1: RS-232\/423\/422\/485; PRT2: RS-232\/423\/422\/485 or DF1; PRT3: DH-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eBackplane Current (5V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eBackplane Current (24V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e40 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eACT, 485, PRT1, PRT2, FAULT, BAT LOW, LED1, LED2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e32–140 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eClock\/Calendar Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e±1 min\/month @ 25 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eShock Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eVibration Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003e0.015 in (5–57 Hz); 2.5 g (57–2000 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eNoise Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eNEMA Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.9605%;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8202%;\"\u003eStandard SLC 500 single-slot module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About 1746-BAS\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 1746-BAS significantly enhances the communication and data-handling capabilities of SLC 500 processors by offering a standalone BASIC programmability environment inside the chassis. It fits in a single slot of an SLC 500 rack and supports extensive serial communication options for industrial integration. The module includes PRT1 and PRT2 serial ports, each configurable for RS-232\/423, RS-422, or RS-485, enabling support for terminals, printers, HMIs, modems, and data acquisition equipment. PRT2 can additionally operate using the DF1 protocol, and when used in DF1 modem mode, the onboard DH-485 port is disabled. The DH-485 port allows integration into legacy low-speed network architectures using a 1747-AIC isolator. The 1746-BAS includes a 24 KB battery-backed RAM, providing non-volatile storage for BASIC applications and data sets. The onboard processor supports report generation, string handling, data logging, and machine-level integration tasks not native to standard SLC processors. Diagnostic LEDs for module activity, communication, fault status, and battery condition simplify troubleshooting. Built to NEMA noise-immunity standards, the module operates in challenging industrial environments with an operating temperature range of 32–140 °F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBASIC-language programming environment\u003c\/li\u003e\n\u003cli\u003eTwo configurable serial ports (RS-232\/423, RS-422, RS-485)\u003c\/li\u003e\n\u003cli\u003eDedicated DH-485 port for legacy network integration\u003c\/li\u003e\n\u003cli\u003eSupports DF1 for modem or device communication\u003c\/li\u003e\n\u003cli\u003e24 KB battery-backed RAM for program and data retention\u003c\/li\u003e\n\u003cli\u003eEight diagnostic LEDs for system status\u003c\/li\u003e\n\u003cli\u003eData collection and report generation capability\u003c\/li\u003e\n\u003cli\u003eCompatible with all SLC 500 processors (5\/01 and up)\u003c\/li\u003e\n\u003cli\u003eSingle-slot modular design\u003c\/li\u003e\n\u003cli\u003eNEMA-rated noise immunity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis module is widely used for data collection, printer formatting, barcode integration, custom communication drivers, and serial-device interfacing—making it a flexible, powerful addition to any SLC 500 system.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47277255196970,"sku":"1746-BAS","price":319.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/1746-BAS.webp?v=1704297899","url":"https:\/\/iqelectro.com\/products\/allen-bradley-1746-bas-basic-module-ships-overnight","provider":"IQElectro","version":"1.0","type":"link"}