{"product_id":"1771-ife-c-allen-bradley-analog-input-module","title":"1771-IFE\/C Allen-Bradley Analog Input Module","description":"\u003ch2\u003eAllen-Bradley 1771-IFE\/C PLC-5 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for analog voltage and current signal acquisition in PLC-5 I\/O chassis systems, the \u003cstrong\u003eAllen-Bradley 1771-IFE\/C\u003c\/strong\u003e (\u003cstrong\u003e1771-IFE\/C\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution. The module converts configurable field analog signals through a block transfer interface with 12-bit resolution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e1771-IFE\/C\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\u003e0.95 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e237.5 x 183 x 55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0-60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane current: 750 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 single-ended or 8 differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eVoltage \/ Current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Ranges\u003c\/td\u003e\n\u003ctd\u003e+\/-10 V, +\/-5 V, 0-10 V, 0-5 V, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit (1 part in 4096)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.05% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eVoltage: 10 Mohm; Current: 250 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Time\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.5 ms per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptical isolation between field inputs and backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eBlock Transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eRack Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5-95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003eApproximately 6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC-5 Analog Conversion and Block Transfer Interface\u003c\/h3\u003e\n\u003cp\u003eThe 1771-IFE\/C provides analog signal conversion for PLC-5 rack-based control systems using a block transfer interface between the I\/O module and processor. The module supports configurable voltage and current input ranges for connection to analog transmitters, sensors, and instrumentation devices.\u003c\/p\u003e\n\u003cp\u003eThe module uses optical isolation between field input circuits and the PLC-5 backplane to separate analog signal paths from controller electronics. I\/O density scaling is managed through PLC-5 chassis slot allocation, while backplane bus communication velocity depends on processor and adapter configuration. Firmware flash compatibility must be verified against the installed PLC-5 hardware revision.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What input configurations are supported by the 1771-IFE\/C?\u003cbr\u003eA: The module supports 16 single-ended analog inputs or 8 differential analog inputs depending on configuration.\u003c\/p\u003e\n\u003cp\u003eQ: What type of analog signals can the 1771-IFE\/C process?\u003cbr\u003eA: The module accepts voltage and current signals including +\/-10 V, +\/-5 V, 0-10 V, 0-5 V, and 4-20 mA ranges.\u003c\/p\u003e\n\u003cp\u003eQ: What is the interface method used for PLC-5 communication?\u003cbr\u003eA: The module communicates with PLC-5 processors through a block transfer interface over the 1771 backplane.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1771-IFE\/C module into a compatible 1771 PLC-5 rack after verifying chassis power isolation and available backplane capacity. Connect analog field wiring through the specified 1771-WQ wiring arm and confirm signal polarity before operation.\u003c\/p\u003e\n\u003cp\u003eRoute analog signal cables separately from high-current conductors and switching devices to reduce electromagnetic interference. Use shielded instrumentation wiring where required and terminate cable shields according to cabinet grounding practices.\u003c\/p\u003e\n\u003cp\u003eVerify module configuration, analog input range selection, and block transfer setup in the PLC-5 controller program. Confirm channel readings and diagnostic indicators before placing the system into normal operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43681321615450,"sku":"1771-IFE\/C","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1771-IFEC2.jpg?v=1784529595","url":"https:\/\/www.plcmasters.com\/products\/1771-ife-c-allen-bradley-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}