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1756SC-CTR8

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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

PDF Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with PDF Supply's 1-year, 2-year, or 3-year warranty.

Original Packaging

$1397

1 In Stock

1 Yr PDF Supply warranty

What is Original Packaging?

Ships .

The Allen Bradley 1756sc-CTR8 control and monitoring module is a versatile solution designed for high-performance data acquisition and signal processing applications. It features 8 inputs that can be configured as unidirectional or 4 inputs that have bi-directional/quadrature counting capabilities, making it suitable for a wide range of industrial needs. One of the key advantages of this module is its user-selectable input filtering. Users can choose from three different filter options: 12kHz, 25kHz, or debounce. This flexibility allows for precise signal conditioning, ensuring accurate and reliable data acquisition in various scenarios. In terms of protection, the 1756sc-CTR8 offers robust input overvoltage protection, with the capability to handle up to ±50VDC continuous or 50 VA Crms. Additionally, it provides overcurrent protection, ensuring the safety of connected equipment with currents of less than 4 mA at 50 VDC. The module's isolation capabilities are impressive, with 2550VDC continuous isolation between inputs and chassis ground, as well as between inputs and the backplane. This level of isolation enhances the safety and reliability of the module in complex industrial environments. Physically, the module features LED indicators, including one red/green status indicator and one red system status indicator, providing visual feedback on its operation. It's designed to work with shielded twisted pair extension wires like Belden 8761 or equivalent, ensuring signal integrity. Operating temperature ranges from 0°C to 60°C (32°F to 140°F), and it can be stored in temperatures ranging from -40°C to 85°C (-40°F to 185°F). It's also designed to withstand relative humidity levels ranging from 5% to 95% without condensation, making it suitable for various industrial settings. Certified to meet CE, UL, and CUL standards, the Allen Bradley 1756sc-CTR8 is a reliable and high-performance control and monitoring module that delivers precise data acquisition and processing capabilities for demanding industrial applications.

Technical Specifications for 1756SC-CTR8

Backplane Current Consumption230 mA at 5 VDC, 75 mA at 24 VDC
Backplane Power Consumption3.00W maximum, (0.6W @ 5 VDC, 2.4W @ 24 VDC)
Maximum Power Dissipation4.8W (All inputs at maximum voltage)
Number of Channels8 unidirectional / 4 bi-directional and quadrature
Number of Gates8 gate inputs
I/O Chassis LocationAny I/O module slot
Conversion MethodFPGA
Input FilteringThree user selectable filters, (12kHz, 25kHz, debounce)
CalibrationModule does not require calibration
Input Overvoltage Protection±50VDC continuous
Input Overcurrent Protection< 4mA @ 50VDC
Isolation2550 VDC continuous between inputs and chassis ground and between inputs and backplane
LED Indicators1 red/green status indicators, 1 red system status
Recommended CableShielded twisted pair extension wire Belden 8761 or equivalent
Maximum Wire SizeOne 2.1mm2 (16 AWG) wire per terminal

PDF Supply sells used surplus products. PDF Supply is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PDF Supply come with PDF Supply’s 1-year, 2-year, or 3-year warranty and do not come with the original manufacturer’s warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.