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Allen Bradley SLC 500 1746sc-CTR8

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1746sc-CTR8

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The 1746sc-CTR8 from Allen Bradley is a counter and flow meter module. It features eight individual channels supporting input frequencies of up to 50 kHz. This module accommodates a voltage range between 5 VDC and 24 VDC, providing flexibility in various applications.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO 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 DO 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, DO 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. DO 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. DO Supply also makes no representations as to your right to install any such firmware on the product. DO 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.

Technical specifications for 1746sc-CTR8

ManufacturerAllen Bradley
Product TypeCounter and Flow Meter Module
Product LineSLC 500
Part Number1746sc-CTR8
Weight1.00 lbs (0.45 kg)
Number of Channels8 Channels
Minimum Voltage Rating5 VDC
Maximum Voltage Rating24 VDC
Current Rating at 5 VDC225 mA
Current Rating at 24 VDC125 mA
Input Frequency50 kHz
Maximum Count Value±32 K or ±8 M
Channel Update Time4 ms/channel
Isolation Voltage (Channel to Backplane)1000 VDC
Input Impedance25 kOhms
Indicator TypeLED Indicator
Wire SizeOne 12 AWG to 28 AWG wire
Operating Temperature Range0 to 60°C
Storage Temperature Range-40 to 85°C
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The Allen Bradley 1746sc-CTR8 is an advanced counter and flow meter module designed for use with the SLC 500 series. This unit incorporates eight channels, each capable of processing input frequencies reaching 50 kHz. The operating voltage for this module spans from a minimum of 5 VDC to a maximum of 24 VDC, allowing for adaptable use across different systems. The current consumption is rated at 225 mA when operating at 5 VDC and 125 mA at 24 VDC, ensuring efficient power management.

With a remarkable maximum count value of ±32 K or ±8 M, this product is suitable for high precision applications. Each channel is refreshed every 4 milliseconds, enabling quick response times for real-time monitoring and control. The module additionally features LED indicators for easy status checking. An added safety feature includes an isolation voltage rating of 1000 VDC between each channel and the backplane, enhancing system robustness.

The input impedance of the module is quantified at 25 kOhms, making it well-suited for a range of input signals. In terms of wiring, any combination of wires from 12 AWG to 28 AWG can be utilized, providing flexibility for installations. Operating temperature conditions range from 0 to 60°C, while it can withstand storage temperatures from -40 to 85°C, making it resilient for varied environments.

Revision Part #Also known as
1746sc-CTR8 Ser A1746sc-CTR8/A, Series A, Rev A
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