Allen-Bradley - 1792D-8BIO8E - I/O Module

Allen-Bradley 1792D-8BIO8E ArmorBlock MaXum Digital I/O Module

Core Technical Specifications

• Brand & Model: Allen-Bradley 1792D-8BIO8E ArmorBlock MaXum.
• Total I/O Channels: Sixteen (16) channels in one compact unit.
• Input Channels: Eight (8) channels with 24 Volts DC sinking voltage.
• Output Channels: Eight (8) self-protected 24VDC sourcing outputs.
• Output Current Rating: Each output provides up to 0.3 Amps maximum.
• Communication Protocol: DeviceNet network connectivity.
• Output Power Source: Derived internally from the DeviceNet network power.
• I/O Connection Method: Loopback connections for optimal performance.
• Weight: 1.19 lbs (0.54 kg) for easy installation.

Frequently Asked Questions (FAQ)

What is the main advantage of the 1792D-8BIO8E's I/O configuration?

• The 1792D-8BIO8E provides a balanced 8-input/8-output design in one block. This is ideal for compact control nodes where you need to monitor several sensors and drive multiple actuators from a single location.

How does the output power sourcing work?

• The output power for the 1792D-8BIO8E is sourced directly from the DeviceNet network. This eliminates the need for a separate, external 24VDC power supply just for the outputs, simplifying your system design.

Why is loopback wiring so important for this module?

• The 1792D-8BIO8E is designed for loopback connections to ensure superior noise immunity in industrial settings. Proper loopback wiring minimizes signal errors and is essential for reliable operation.

Does this module offer any diagnostics?

• Yes, the 1792D-8BIO8E provides short-circuit protection with block-level fault notifications, helping you quickly identify and address wiring issues.

Can it operate without constant communication from a PLC?

• Yes, thanks to its local logic control feature, the 1792D-8BIO8E can execute basic control sequences independently, based on its input states, even if network communication is temporarily interrupted.

What EMC standards does it meet?

• The module is tested and complies with EN 50081-1 (Emissions) and EN 50082-2 (Immunity) standards, ensuring robust performance in typical industrial electromagnetic environments.

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