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Allen Bradley PLC 5 1770-SA

Product image is representative; revision or series may vary. Contact us to request a specific version.

1770-SA

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The 1770-SA is an I/O adapter module created by Allen Bradley to facilitate connections between a Mini-PLC-2 processor and a 1771 Universal I/O chassis. It is designed for easy installation in the leftmost slot of the chassis and can support up to 128 input/output points, making it a versatile component for expanding PLC capabilities.

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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 1770-SA

ManufacturerAllen Bradley
Product TypeStand-Alone I/O Adapter Module
Product LinePLC 5
Part Number1770-SA
Weight20.00 lbs (9.07 kg)
UPC662072600016
Target SystemPLC-2/Mini (Bulletin 1772)
Primary FunctionInterfaces a Mini-PLC-2 processor to a standard 1771 Universal I/O Chassis
Chassis PlacementMounts in the Leftmost Slot
Maximum I/O CapacityUp to 128 I/O points
Interconnect Port15-Pin D-Shell Connector (Female)
Enclosure StyleOpen-style
Type of EnclosureMetal/plastic hybrid chassis module
IsolationOptical isolation between the logic circuits and the field wiring
Cable CompatibilityUses 1772-TC or 1772-TD interconnect cables
Backplane InterfaceStandard 1771 Backplane connector
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The 1770-SA from Allen Bradley serves as a specialized stand-alone I/O adapter module, developed predominantly for integration with PLC-2/Mini systems. This module has a significant role in establishing a link between a Mini-PLC-2 processor and a standard 1771 Universal I/O chassis.

Intended for mounting in the leftmost slot of the chassis, it offers up to 128 possible I/O points, thereby enhancing the modular functionality of the PLC setup. The equipment relies on a 15-pin D-Shell connector, which serves as the interconnection point for communication.

Designed as an open-style module, the 1770-SA is constructed from a metal/plastic hybrid chassis, ensuring durability in various applications. Additionally, it incorporates optical isolation between its logic circuits and field wiring. This isolation is critical for minimizing interference and protecting sensitive components from voltage spikes or faults in connected devices.

The module supports cable connections using standard 1772-TC or 1772-TD interconnect cables. For backend connectivity, it employs the well-defined standard 1771 backplane connector, allowing for straightforward integration into existing systems. Overall, the 1770-SA is an essential component for enhancing PLC-5 system capabilities and improving connection flexibility.