Brand： Allen-Bradley
Model number: 1747-524
Lead Time：3-day working day
Country of origin: USA
Price: Please contact us
Product weight：0.22kg
hipping Port: China
Payment: Bank of Chicago, Bank of Singapore
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1747-524 Allen-Bradley Processor modules, programmable controllers
Allen-Bradley 1790D-T8BV8B CompactBlock LDX I/O Module: Detailed Description
The Allen-Bradley 1790D-T8BV8B is a CompactBlock LDX I/O module. These modules are designed for distributed I/O applications, typically used with DeviceNet networks. It offers a combination of digital inputs and outputs in a compact, block-style package.
Product Parameters/Specifications:
I/O Configuration: 8 digital sinking/sourcing inputs and 8 digital sourcing outputs.
Input Voltage: 24V DC.
Input Type: Sinking or sourcing (user configurable per input point).
Output Voltage: 24V DC.
Output Current: 0.5 A (500 mA) per output.
Communication Interface: DeviceNet.
Connector Type: Open-style connectors for field wiring.
Enclosure Rating: IP20 (finger-safe).
Power Supply: Requires an external 24V DC power supply.
Mounting: Designed for direct mounting to a panel or machine frame.
Product Advantages (When it was actively sold):
Compact Size: The block design allows for high-density I/O in a small footprint.
Distributed I/O: Suitable for applications where I/O needs to be located remotely from the controller.
DeviceNet Connectivity: Integrates seamlessly into DeviceNet networks.
Configurable Inputs: The ability to configure inputs as either sinking or sourcing provides flexibility in wiring.
Simplified Wiring: Open-style connectors simplify field wiring.
Disadvantages (Now):
Obsolete: The 1790D family, including the 1790D-T8BV8B, is obsolete. This means:
Limited availability (primarily on the used/surplus market).
No new production from Rockwell Automation.
Lack of official support and updates.
Potential difficulty integrating with newer control systems.
Static Sequence Control and General-Purpose Drive Controller Modules (in the context of the 1790D-T8BV8B):
The 1790D-T8BV8B is an I/O module and does not perform static sequence control or act as a drive controller. It facilitates communication between the PLC and field devices.
Static Sequence Control: A PLC (e.g., a PLC-5, SLC 500, or a CompactLogix controller connected via a DeviceNet scanner) executes the static sequence control logic. The 1790D-T8BV8B acts as the remote I/O interface. The PLC program sends output commands through the DeviceNet network to the 1790D-T8BV8B to control actuators. It also receives input status from sensors connected to the 1790D-T8BV8B.
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