{"product_id":"1746sc-ini4vi-allen-bradley-slc-500-series-isolated-current-voltage-input-module","title":"1746SC-INI4VI Allen-Bradley SLC 500 Series Isolated Current\/Voltage Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1746SC-INI4VI\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1746SC-INI4VI\u003c\/strong\u003e Isolated Current\/Voltage Input Module, operates as a dedicated hardware component for analog signal acquisition within SLC 500 control platforms. The module converts isolated voltage and current field inputs into 16-bit digital data values for PLC processing.\u003c\/p\u003e\n\u003ch3\u003eModule Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1746SC-INI4VI is a four-channel analog input module designed for SLC 500 systems. It supports isolated current and voltage measurement ranges including 0-10 VDC, +\/-10 VDC, 0-5 VDC, 1-5 VDC, 0-20 mA, and 4-20 mA signals.\u003c\/p\u003e\n\u003cp\u003eThe module provides 16-bit input resolution and communicates analog measurement data through the SLC 500 backplane interface. The isolated input design separates field signal circuits from internal controller electronics.\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\u003e1746SC-INI4VI\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eIsolated Current\/Voltage Input Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e15.2 x 5.1 x 15.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e570 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e4 Analog Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eIsolated Current \/ Voltage Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Ranges\u003c\/td\u003e\n\u003ctd\u003e0-10 VDC, +\/-10 VDC, 0-5 VDC, 1-5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Ranges\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Interface\u003c\/td\u003e\n\u003ctd\u003eSLC 500 Chassis Backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eAnalog Signal Isolation and Data Conversion\u003c\/h3\u003e\n\u003cp\u003eThe 1746SC-INI4VI provides isolated analog signal measurement for SLC 500 controller applications. Each input channel accepts voltage or current signals from external field devices and converts the measured values into digital data for PLC application logic.\u003c\/p\u003e\n\u003cp\u003eThe isolated input architecture reduces direct electrical coupling between field wiring and the SLC processor system. Proper grounding and signal cable routing should be maintained according to industrial analog installation practices.\u003c\/p\u003e\n\u003ch3\u003eIndustrial Control Platform Characteristics\u003c\/h3\u003e\n\u003cp\u003eAllen-Bradley SLC 500 modules use chassis backplane communication for processor and I\/O data exchange. The 1746SC-INI4VI extends the platform I\/O density by adding four configurable analog input channels for voltage and current measurement.\u003c\/p\u003e\n\u003cp\u003eThe module supports firmware compatibility within the SLC 500 hardware environment. Application configuration should match the selected input range and scaling requirements defined in the control program.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1746SC-INI4VI Isolated Current\/Voltage Input Module\u003c\/li\u003e\n\u003cli\u003e1 x Module terminal interface assembly\u003c\/li\u003e\n\u003cli\u003e1 x Factory-installed electronic hardware assembly\u003c\/li\u003e\n\u003cli\u003eSLC 500 chassis and processor hardware supplied separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModule Mounting\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module into the assigned SLC 500 chassis slot.\u003c\/li\u003e\n\u003cli\u003eRemove system power before module insertion or removal.\u003c\/li\u003e\n\u003cli\u003eConfirm module seating and chassis locking mechanism before operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAnalog Signal Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSeparate analog input wiring from high-voltage and high-current cables.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cable practices for low-level analog signals.\u003c\/li\u003e\n\u003cli\u003eConnect signal references according to the system grounding design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelect input range settings according to connected field transmitter output.\u003c\/li\u003e\n\u003cli\u003eVerify PLC scaling parameters match the configured analog range.\u003c\/li\u003e\n\u003cli\u003eConfirm input channel addressing before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many analog input channels does the 1746SC-INI4VI provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides 4 isolated analog input channels for voltage and current signal measurement within an SLC 500 chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich voltage input ranges are supported?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports 0-10 VDC, +\/-10 VDC, 0-5 VDC, and 1-5 VDC analog voltage input ranges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich current input ranges are supported?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports 0-20 mA and 4-20 mA current input signals from external analog devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the input resolution of this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1746SC-INI4VI provides 16-bit analog-to-digital conversion resolution for measured input values.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power supply does the module require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module draws 570 mA from the SLC 500 chassis 5 VDC backplane supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module provide isolated analog inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module is designed with isolated current and voltage input channels for field signal acquisition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the input range be configured for different transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module supports multiple voltage and current ranges that must match the connected field device output.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 1746SC-INI4VI a standalone controller module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is an analog input module installed in an SLC 500 chassis and requires a compatible processor system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066408718509,"sku":"1746SC-INI4VI","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1746sc-ini4vi_1-1.jpg?v=1785906824","url":"https:\/\/www.maxwellplc.com\/products\/1746sc-ini4vi-allen-bradley-slc-500-series-isolated-current-voltage-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}