{"product_id":"allen-bradley-allen-bradley-plc-5-1775-ga","title":"Allen-Bradley 1775-GA Communication Module PLC-3 Series","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1775-GA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1775-GA\u003c\/strong\u003e Communication Module, operates as a dedicated hardware component for peripheral serial interface routing within PLC-3 and PLC-5 controller architectures.\u003c\/p\u003e\n\u003ch3\u003eSystem Configuration Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1775-GA\u003c\/strong\u003e: Base hardware module configured for peripheral communication interfaces across PLC-3 system chassis racks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1775GA\u003c\/strong\u003e: Alternate catalog spare number representing identical physical circuitry, line termination load, and backplane pinouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Physical Parameters\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1775-GA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.92 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e4.5 x 30.3 x 39.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e115\/230 VAC (+\/- 15%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Rating\u003c\/td\u003e\n\u003ctd\u003e1 A (115 V), 0.5 A (230 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination\u003c\/td\u003e\n\u003ctd\u003e75 ohm resistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003ePLC-3 \/ Peripheral Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Data Handling\u003c\/h3\u003e\n\u003cp\u003eThe unit manages serial bit stream conversion to ensure stable data exchanges without impacting backplane bus communication velocity. Internal logic buffers enforce determinism across system connections, minimizing data collisions during high-throughput transmission cycles over dedicated serial peripheral links.\u003c\/p\u003e\n\u003ch3\u003ePackage Component List\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1775-GA Communication Module\u003c\/li\u003e\n\u003cli\u003e2 x 75 ohm line termination resistors\u003c\/li\u003e\n\u003cli\u003e1 x Hardware installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWiring \u0026amp; Physical Setup Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Down Sequence\n\u003cul\u003e\n\u003cli\u003eTurn off main chassis source power before inserting or pulling the card from the rack logic backplane.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eVoltage Selection \u0026amp; Fusing\n\u003cul\u003e\n\u003cli\u003eMatch line selection switches and replace inline fuses (1 A for 115 VAC, 0.5 A for 230 VAC) prior to applying power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eLine Impedance Termination\n\u003cul\u003e\n\u003cli\u003eInstall the included 75 ohm termination resistors across end-of-line data nodes to reduce signal reflection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eCable Separation\n\u003cul\u003e\n\u003cli\u003eKeep communication cables separated from motor power cables and high-voltage AC lines by at least 30 cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat primary function does the 1775-GA module execute inside the rack?\u003c\/p\u003e\n\u003cp\u003eIt acts as a serial interface controller that processes asynchronous peripheral communications for PLC system hosts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is line termination handled on the communication channels?\u003c\/p\u003e\n\u003cp\u003eThe module utilizes dedicated 75 ohm resistors connected across signal lines to prevent impedance mismatches and reflections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat supply voltage ranges are supported by the onboard power interface?\u003c\/p\u003e\n\u003cp\u003eThe module accepts nominal mains input voltages of 115 VAC or 230 VAC within a standard +\/- 15% operating tolerance band.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat type of fuses are required for system input protection?\u003c\/p\u003e\n\u003cp\u003eUse a 1 A rated fuse for 115 VAC operating configurations and a 0.5 A rated fuse when configured for 230 VAC power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this module be inserted while the chassis power supply is active?\u003c\/p\u003e\n\u003cp\u003eNo, hot-swapping is not supported; inserting or removing the module under power can damage internal logic circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the storage thermal thresholds for this hardware component?\u003c\/p\u003e\n\u003cp\u003eThe assembly can be stored in non-condensing environments with temperatures ranging from -40 deg C up to 85 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the module impact backplane bus communication velocity?\u003c\/p\u003e\n\u003cp\u003eDedicated protocol buffers maintain high data execution efficiency without introducing delay onto the primary system backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat relative humidity limits must be maintained during rack operation?\u003c\/p\u003e\n\u003cp\u003eOperating environments must maintain a relative humidity between 5% and 95% without moisture condensation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066445287597,"sku":"1775-GA","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/Allen-Bradley_1775-ga_1.jpg?v=1786443776","url":"https:\/\/www.maxwellplc.com\/ga\/products\/allen-bradley-allen-bradley-plc-5-1775-ga","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}