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Allen Bradley MicroLogix 1000 1761-L32BWB

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

1761-L32BWB

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The 1761-L32BWB is a MicroLogix Controller under the Bulletin 1761 product family. This compact controller is powered by an input Voltage range of 20.4-26.4VDC and features 1K memory, integrated RS232 communication port, Twenty (20) discrete inputs and Twelve (12) relay outputs.

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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 1761-L32BWB

ManufacturerAllen Bradley
Product TypeProgrammable Logic Controller (PLC)
Product LineMicroLogix 1000
Part Number1761-L32BWB
UPC662468554480
Weight1.00 lbs (0.45 kg)
Input TypeDigital
Memory1 K EEPROM composed of approximately 737 instruction words and 437 data words.
Communication portRS232
Safety FeatureMaster Control Relay
ProtocolDF1
Digital Outputs12 Contact Outputs
Memory Size1 K EEPROM
No. of InputsTwenty (20); Sinking / Sourcing
Current Output Rage4 to 20 mA
Input Voltage Type14 - 30V dc
Input Voltage Range14 to 30 Volts DC
Output TypeTwelve (12); Relay
Power Supply20.4-26.4V dc
I/O Count32 points
Inrush Current30A for 4 ms
Operating Frequency47-63 Hz
Product Lifecycle Status*Discontinued/Obsolete
Input Power7W
Minimum Power Cycles50,000
Operating Shock10 G
Non-Operating Shock20 G
Measurements7.87 x 1.57 x 3.15 inches

* The Allen Bradley 1761-L32BWB has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1761-L32BWB units instead of migration.

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The 1761-L32BWB is a MicroLogix controller which features an integrated Twenty (20) Discrete 24VDC Inputs and Twelve (12) Relay Outputs rated 24-125VDC / 120 - 240VAC. This Programmable Logic Controller (PLC) is manufactured by Allen-Bradley and best suited to control small scale applications or equipment such as a stand-alone machine and processes.

This controller is a compact controller with integrated power supply, I/O channels, memory, and communication ports. The integrated communication ports supports DF1 protocol for serial and peer to peer communication. It may also be used to connect to a DH485 network by interfacing the port a 1761-NET-AIC. The communication port’s primary use is for Downloading, Uploading, Online editing, testing and commissioning of the PLC unit.

Additionally, the communication ports is also used to communicate with computer based control systems or devices such as Human Machine Interface or Supervisory Control and Data Acquisition (SCADA). It is also compatible to connect with protocol converters such as a serial to ethernet converter to allow the MicroLogix connect to an Ethernet network via a virtual COM port. Aside from this, communication gateways may also be used with this port.

This PLC hardware is compatible for vertical or horizontal mounting. The required clearance when mounting this controller must measure 2 inches on all sides, regardless of the controller’s orientation. This controller may be mounted with the use of a standard DIN rail or through the optional mounting screws. The 1761-L32BWB MicroLogix 1000 Programmable Controller by Allen-Bradley is a 32 I/O point controller with Twenty (20) DC inputs, Twelve (12) relay outputs. It is powered by a nominal supply of 24VDC with a voltage range of 14 - 30 VDC.

It has a Relay output with a minimum current load of 10.0 mA, and an OFF to ON and ON to OFF response time of 10 milliseconds. Its relay output has a contact rating of 2.0A per point, with a 1.2A Make Ampere and a Make power of 28VA. The 1761-L32BWB has dimensions of 200 x 40 x 80 millimeters (7.87x 1.57x 3.15 inches).

Revision Part #Also known as
1761-L32BWB Ser A1761-L32BWB/A, Series A, Rev A
1761-L32BWB Ser B1761-L32BWB/B, Series B, Rev B
1761-L32BWB Ser C1761-L32BWB/C, Series C, Rev C
1761-L32BWB Ser D1761-L32BWB/D, Series D, Rev D
1761-L32BWB Ser E1761-L32BWB/E, Series E, Rev E
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