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Allen Bradley PLC 3 1775-S4BA

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1775-S4BA

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The 1775-S4BA from Allen Bradley functions as an I/O scanner message handling unit in the PLC 3 series. This device is equipped with four I/O channels and a single RS-232 communication channel, facilitating efficient data exchange for various 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 1775-S4BA

ManufacturerAllen Bradley
Product TypeI/O Scanner Message Handling Unit
Product LinePLC 3
Part Number1775-S4BA
Weight1.00 lbs (0.45 kg)
Number of I/O Channels4 Channels
Number of Communication Channels1 x RS-232 Channel
Nominal Scan Time5.5 to 6.5 ms
Number of Channel Status LEDs4 LEDs
Number of Self Test LEDs2 LEDs
Minimum Operating Temperature0 °C
Maximum Operating Temperature60 °C
Communication PortDB-25 Female D-Sub Connector
Relative Humidity5 to 95% (non-condensing)
Minimum Storage Temperature-40 °C
Maximum Storage Temperature85 °C
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The 1775-S4BA is an I/O scanner message handling unit developed by Allen Bradley as part of the PLC 3 series. It is designed with four distinct I/O channels, allowing it to manage multiple input and output operations simultaneously. Communication is facilitated through a single RS-232 channel, ensuring reliable data transmission to connected systems.

With a nominal scan time that falls between 5.5 and 6.5 milliseconds, this unit ensures quick response times, making it suitable for real-time applications where timing is crucial. To aid in monitoring and troubleshooting, it features four status LEDs that provide immediate feedback on the channel conditions, while two self-test LEDs are included for diagnostic purposes.

The module interfaces through a DB-25 female D-Sub connector, which is common for serial communications. Operating temperature specifications range from a minimum of 0 °C to a maximum of 60 °C, while storage temperatures can vary significantly from -40 °C to 85 °C, ensuring versatility in diverse environments. Additionally, it is built to withstand relative humidity levels from 5% to 95% in non-condensing conditions, which enhances its durability and reliability in various operating environments.

Revision Part #Also known as
1775-S4BA Ser A1775-S4BA/A, Series A, Rev A
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