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Allen Bradley SLC 100 1745-E104

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1745-E104

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The 1745-E104 is an expansion unit designed for the SLC 100 series. It functions as a PLC I/O module featuring a relay-based output system. This unit accommodates a maximum of 10 input terminals and provides 6 output terminals, designed for seamless integration into control systems.

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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 1745-E104

ManufacturerAllen Bradley
Product TypeExpansion Unit (PLC I/O Module)
Product LineSLC 100
Part Number1745-E104
Weight2.75 lbs (1.25 kg)
Output TypeRelay-based
Input Terminals10 Terminals
Output Terminals6 Terminals
Input Power Range10–30 V AC
Frequency Range50–60 Hz
Terminal IdentificationColor-coded line terminals
Mounting OptionsScrew and DIN rail
Processor ConnectionRibbon cable interface
Diagnostic Indicators5 LEDs
Configuration OptionsBasic, relay, analog input
Main Circuitry Connections SupportedUp to 112
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The 1745-E104 expansion unit from Allen Bradley is part of the SLC 100 series and serves as a PLC I/O module. This unit features relay-based outputs, providing reliable performance and facilitating effective control in various systems. It is designed with 10 input terminals and 6 output terminals, allowing for straightforward connectivity and control.

The input power range of the 1745-E104 spans from 10 to 30 V AC, operating effectively at frequencies of 50 to 60 Hz. To aid in installation, the module includes color-coded line terminals for easy identification during setup. Versatile mounting options are available, supporting both screw and DIN rail installations to accommodate different configuration requirements.

For processor connections, it is constructed using a ribbon cable interface, which simplifies the setup process. The module is equipped with five LED diagnostic indicators that provide visual feedback for troubleshooting and system monitoring. It can support configuration options such as basic, relay, or analog input setups, enhancing its adaptability to various application needs. Furthermore, the 1745-E104 can connect with up to 112 main circuitry connections, adding to its flexibility in larger control systems.

Revision Part #Also known as
1745-E104 Ser A1745-E104/A, Series A, Rev A
1745-E104 Ser B1745-E104/B, Series B, Rev B
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