The Allen-Bradley 1764-28BXB is a versatile MicroLogix 1500 base unit designed for seamless integration and expansion within automation systems. Featuring sixteen 24V DC inputs, with eight dedicated to high-speed operations, this unit is well-suited for applications needing precision and reliable IO functionality. Equipped with an essential communication port, the unit supports direct connectivity to programming workstations and network interfaces, while its configuration allows for substantial customization with relay and FET outputs. For enhanced functionality, it accommodates processors like the 1764-LRP and 1764-LSP and allows the addition of Compact I/O modules, ensuring comprehensive control and scalability. With dimensions optimized for compact installation, this base unit provides an excellent foundation for developing advanced controller solutions in industrial settings.
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Technical specifications for 1764-28BXB
| Manufacturer | Rockwell Automation |
|---|---|
| Brand | Allen-Bradley |
| 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 |
| Mounting | Horizontal |
| Compatible Processors | 1764-LSP and 1764-LRP |
| Product Lifecycle Status* | Discontinued/Obsolete |
* The Allen Bradley 1764-28BXB has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1764-28BXB 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
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