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Allen Bradley SLC 100 1745-E103

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1745-E103

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The 1745-E103 is an expansion unit designed for the SLC-100 system by Allen Bradley. It operates across a line voltage range of 100 to 240 VAC and accommodates a variety of I/O voltages, making it versatile for many industrial applications.

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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-E103

ManufacturerAllen Bradley
Product TypeExpansion Unit
Product LineSLC 100
Part Number1745-E103
Weight4.00 lbs (1.81 kg)
Line Voltage100 to 240 VAC
I/O Input Voltage10 to 30 VAC/VDC
I/O Output Voltage10 to 250 VAC, 10 to 125 VDC
Wire TypeCopper
I/O Points10 inputs, 6 outputs
Maximum Power Requirement12 VA
Wire Size14 to 24 AWG
Noise ImmunityNEMA standard ICS 2-230
Input Filter Delay10 to 25 ms
Electrical-Optical Isolation1500 V between input voltage and control logic
Operating Temperature0 to 60 °C
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The Allen Bradley part number 1745-E103 serves as an expansion unit specific to the SLC 100 system. It is engineered to function within an input voltage range spanning 100 to 240 VAC, providing flexibility for integration into various systems. This unit manages I/O inputs that accept voltages between 10 and 30 VAC/VDC and outputs that can range from 10 to 250 VAC and 10 to 125 VDC.

When it comes to connectivity, the wire type used is copper, suitable for optimal conductivity. The 1745-E103 accommodates 10 inputs and 6 outputs, fulfilling multiple control requirements in industrial setups. Power consumption is capped at a maximum of 12 VA, making it efficient for larger systems.

Wire sizes can range from 14 to 24 AWG, allowing for a variety of cable types to be used. The unit meets the NEMA standard ICS 2-230 for noise immunity, ensuring reliable operation even in electrically noisy environments. Additionally, it features an input filter delay between 10 and 25 milliseconds, enhancing its responsiveness.

A key feature is the electrical-optical isolation, rated at 1500 V, providing substantial separation between the input voltage and the control logic, ensuring safe operation. The specified operating temperature range is from 0 to 60 °C, making the 1745-E103 suitable for a variety of industrial conditions.

Revision Part #Also known as
1745-E103 Ser A1745-E103/A, Series A, Rev A
1745-E103 Ser B1745-E103/B, Series B, Rev B
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