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Allen Bradley PLC 3 1775-S4B

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1775-S4B

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The 1775-S4B from Allen Bradley is designed as an I/O scanner module. It supports input and output capacities of up to 2048 each, with four dedicated communication channels for both inputs and outputs.

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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 1775-S4B

ManufacturerAllen Bradley
Product TypeI/O Scanner Module
Product LinePLC 3
Part Number1775-S4B
Weight4.63 lbs (2.10 kg)
Max. Input Capacity2048 inputs
Max. Output Capacity2048 outputs
Number of Input Channels4 Separate Communication Channels
Number of Output Channels4 Separate Communication Channels
Serial Interface1 RS-232-C Communication Channel
Nominal Scan Time5.5 to 6.5 ms
Backplane Current2.7 Amps at 5V DC
Max. Cable Distance10,000 feet
Communication ProtocolPeer-to-Peer and I/O Scanning
Operating Temperature0 to 60°C
Storage Temperature-40 to 85°C
Relative Humidity5% to 95% (non-condensing)
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The Allen Bradley 1775-S4B functions as a crucial I/O scanner module within the PLC 3 series. Capable of managing an extensive input capacity, it supports up to 2048 individual inputs and the same for outputs. There are four distinct communication channels allocated for both input and output, providing streamlined interaction among devices. The module incorporates a single RS-232-C communication channel, facilitating reliable data exchange.

With a nominal scan time between 5.5 and 6.5 milliseconds, this unit efficiently processes information within automated systems. Power consumption is measured at 2.7 Amps at 5V DC on the backplane, ensuring compatibility with minimal power sources. The maximum cable distance for connections can be extended up to 10,000 feet, catering to large installations.

In terms of environmental specifications, the 1775-S4B operates optimally between 0°C and 60°C. For storage, it can endure temperatures ranging from -40°C to 85°C. This module tolerates relative humidity levels between 5% and 95%, provided that it remains non-condensing, making it suitable for a variety of industrial settings.

Revision Part #Also known as
1775-S4B Ser A1775-S4B/A, Series A, Rev A
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