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1764-28BXB Ser B, Series B, Rev B


The 1764-28BXB is a MicroLogix 1500 base unit that belongs to the Bulletin 1764 product family. It has a line power voltage requirement of 20.4 to 30VDC, integrated Eight (8) Standard 24VDC sink/source discrete inputs, Eight (8) High-Speed inputs and Six (6) Relay Outputs, Four (4) Standard 24VDC outputs and Two (2) Fast 24VDc outputs. It has integrated RS232 communication ports for device communication.

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Warranty: 1 year DO Supply Warranty Included
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Repairs: We offer repair service for the 1764-28BXB.
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About 1764-28BXB/B

The 1764-28BXB Series B module is an Allen-Bradley MicroLogix 1500 programmable logic controller module that delivers an excellent control platform. The 1764-28BXB Series B module comes with advanced features for delivering a high performance, with several features that allow the controller to support the applications that run on the much larger controllers. The 1764-28BXB Series B module is innovatively designed with a 2-piece design and a small footprint. The 1764-28BXB Series B module comprises a processor and the base units. These parts are independently replaceable parts and this allows for the best possible embedding of the I/O options, which in turn provides minimal inventory stocking costs while delivering a high level of performance. 

The 1764-28BXB Series B module runs on the Allen-Bradley RSLogix 500 programming software and it shares a common instruction set with other Allen-Bradley controllers, including the MicroLogix 1000 controllers, the MicroLogix 1200 controllers, and other SLCs. The 1764-28BXB Series B module supports the field-upgradable flash operating system that helps in ensuring that the system is running with the latest updates. The 1764-28BXB Series B module provides a large memory that helps in storing data for various applications. It features high-performance expandable input/output options with up to 16 modules. The unit also features an advanced communication platform that includes the peer-to-peer, SCADA/RTU, DeviceNet, and the Ethernet network. It supports a built-in battery with an option for battery replacement. The 1764-28BXB Series B module supports optional components for enhanced performance. These include the real-time clock, the optional memory module, and the optional data access tool.

Technical specifications:
Manufacturer:Rockwell Automation
Part Number/Catalog No.:1764-28BXB
Series:MicroLogix 1500
Function:Base Controller
I/O Count:16 inputs/12 outputs
Module Type:Base Unit
Max Expanded I/O Count:512
No. of Inputs:16 inputs
Input Voltage:24 Volts DC
Input channel Voltage:24V dc, sink/source
Output Source:Relay Port and DC FET
High Speed Input Frequency:Eight (8) 20 kHz input
No. of Outputs:Six (6) Relay; Four (4) Standard 24VDC Transistor; Two (2) Fast 24VDC
Input Circuit Type:24 Volt DC Sink/Source
Relay Output channel Voltage:24-125VDC; 120-240VAC
Output Circuit Type:6 Relay, 6 FET Transistor
Transistor Output channel Voltage:20.4VDC - 26.4VDC
Line Power:20.4-30.0 Volts DC
High Speed Output Frequency:20 kHz output
Power Supply Usage:30 Watts
Power Supply Voltage:20.4 to 30VDC
Power Supply Inrush Current:24V dc = 4A for 150 ms
Maximum Load Current:400 mA
Dimensions:5.43 x 6.62 x 3.43 inches
Compatible Processors:1764-LSP and 1764-LRP
Product Lifecycle Status*:Discontinued/Obsolete