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Allen Bradley MicroLogix 1000 1761-L20BWA-5A
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 our products come with DO Supply's 2-year warranty.
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1761-L20BWA-5A

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The Allen-Bradley 1761-L20BWA-5A is a MicroLogix 1000 Controller. This controller has input supply voltage requirement of 120 / 240VAC with built-in Twelve (12) 24VDC Digital inputs, Four (4) +/- 10VDC or +/- 20 mA Analog Input, Eight (8) Relay output and One (1) Analog Output interface configurable for 0-10VDC or 4-20 mA output signals. It has embedded communication interfaces such as One (1) RS232 8-Pin mini DIN communication port that is compatible with DF1 Full and Half-Duplex protocol.

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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 our products come with DO Supply's 2-year warranty.
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Technical specifications for 1761-L20BWA-5A

ManufacturerRockwell Automation
Power Supply85-264V ac.
Part Number/Catalog No.1761-L20BWA-5A
BrandAllen-Bradley
Product Family:MicroLogix
Product Type:Controller / Processor
Number of I/O:25
Number of Inputs:12(sinking and sourcing)
Input Operating Range:14…26.4V DC max @ 55 °C (131 °F) 14…30.0V DC max @ 30 °C (86 °F)
Number of Analog Inputs:2 Current /Voltage
Analog Input Signal Range:+/-10VDC ; +/- 20mA
Number of Discrete Outputs:8 Relay Output
Relay Output operating range:5 - 125V DC / 5 - 264V AC
Number of Analog output:1 Current / Voltage
Analog Output Signal Range:0-10VDC; 4-20mA
Operating Frequency:47-63 Hz
Power cycles:50,000 minimum
Memory:1 K EEPROM composed of approximately 737 instruction words and 437 data words.
Communication port:RS232
Protocol:DF1
ControllerMicroLogix 1000
I/O Count20 points
Input Type24V dc
Output TypeRelay
Analog Circuits4 Inputs, 1 Output
Safety FeatureMaster Control Relay
Digital Outputs8 Contact Outputs
UPC10662072766504
Product Lifecycle Status*Discontinued/Obsolete

* The Allen Bradley 1761-L20BWA-5A has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1761-L20BWA-5A units instead of migration.

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.

The Allen-Bradley 1761-L20BWA-5A is a Programmable Logic Controller (PLC) that belongs to the Bulletin 1761 MicroLogix 1000 product family. This MicroLogix controller is designed with built-in discrete and analog input channels, enabling this controller to implement automatic and manual control of discrete and analog loop control. provided with analog control loop capability. The 1761-L20BWA-5A is especially compatible for use as automation controller of micro and small machines and processes. It is a general-purpose controller that is ideally used in machine control, material handling, valve sequencing and similar applications of simple complexity.

This 1761-L20BWA-5A is powered by an external AC supply voltage range of 85-264V AC with rated power consumption of 30VA when supplied with 120VAC and 36VA when operated by 240VAC nominal input supply and rated to withstand an inrush current of 30A for 8 ms.

The 1761-L20BWA-5A is provided with Twelve (12) Digital input channels, with nominal operating voltage of 24VDC. These input channels are generally used for interfacing ON/OFF devices such as switches, auxiliary contacts, proximity sensors and other similarly operating devices. Additionally, the 1761-L20BWA-5A has Eight (8) Relay output channels that may be operated in both DC and AC voltages such as 24-125 VDC or 120/240VAC. These relay output channels come with individual for individual isolation. These relay output channels can be used to actuate and energize electrical loads including solenoid or motorized actuated devices, indicating devices such as pilot lamps, sounding devices, and motor control devices such as motor starters. The built-in analog inputs are compatible with analog signal ranges of +/- 10VDC and +/-20mA while the provided analog output channels are able to deliver 0-10VDC or 4-20 mA.

An RS-232 port connects the 1761-L20BWA-5A to a peer-to-peer network. It uses the Device Net Interface (DNI) for fast response, low cost, and reliability. Point-to-point communications can be implemented via the DF1 Half- and Full-Duplex protocols.

The 1761-L20BWA-5A supports ladder logic programming language. The 1761-L20BWA-5A controller has an execution time of 1.56 milliseconds and a throughput of 1.85 milliseconds for a typical 500 instructions program.

Revision Part #Also known as
1761-L20BWA-5A Ser A1761-L20BWA-5A/A, Series A, Rev A
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