{"product_id":"allen-bradley-1745-e155-slc-150-high-speed-input-module","title":"Allen-Bradley 1745-E155 SLC 150 High-Speed Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1745-E155\u003c\/strong\u003e serves as the primary \u003cstrong\u003e1745-E155\u003c\/strong\u003e High-Speed Input Module utilized to execute high-frequency pulse counting across SLC 150 platforms.\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\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\u003e1745-E155\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\u003e0.53 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.0 x 6.5 x 4.0 inches\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\u003e10 VA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e5\/12\/24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eSLC 150 Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Interface\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; High-Speed Execution\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeterminism \u0026amp; High-Speed Pulse Scanning\u003c\/strong\u003e: The 1745-E155 interface processes high-speed input pulses independently of the standard controller scan time, transferring accumulated count values over the internal backplane bus directly to the master SLC 150 memory registers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility \u0026amp; Register Addressing\u003c\/strong\u003e: Hardware-addressed counter registers integrate directly into the master SLC 150 processor image table, enabling real-time pulse processing for high-frequency field feedback devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProximity Isolation \u0026amp; Signal Filtering\u003c\/strong\u003e: Optoisolated input channels and integrated hardware filtering eliminate high-frequency transient noise and cross-talk originating from adjacent field wiring conduits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1745-E155 high-speed module be connected while the controller backplane is energized?\u003c\/p\u003e\n\u003cp\u003eA: No. Hot-swapping is prohibited. Master AC\/DC power to the SLC 150 base unit must be disconnected before installing or removing the 1745-E155 module from the expansion slot or cable header.\u003c\/p\u003e\n\u003cp\u003eQ: What field voltage levels are supported on the 1745-E155 input terminals?\u003c\/p\u003e\n\u003cp\u003eA: The input screw terminals accommodate selectable 5 VDC, 12 VDC, or 24 VDC external signal levels from pulse generators and encoders.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Installation \u0026amp; Panel Mounting\u003c\/strong\u003e: Secure the module inside the chassis or mounting panel using standard retaining hardware. Maintain a minimum vertical clearance of 50 mm (2 inches) above and below the unit for natural thermal dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring Practices\u003c\/strong\u003e: Strip conductor ends to recommended length and secure tightly into the screw terminal blocks. Do not overtighten terminal screws beyond standard industrial torque limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Cable Routing\u003c\/strong\u003e: Connect encoder shield wiring to a dedicated single-point earth ground terminal. Route low-voltage DC input cables in dedicated conduits separated from high-voltage AC lines by at least 200 mm to prevent inductive noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45340469821555,"sku":"1745-E155","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-11_09-15-31_080b08aa-14f0-4abd-aba4-1b442b68dadc.png?v=1786411732","url":"https:\/\/www.dcssupplier.com\/products\/allen-bradley-1745-e155-slc-150-high-speed-input-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}