Product Details
Product Description
The 1794-TBN is an Allen-Bradley Flex I/O terminal base unit designed to connect and power Flex I/O modules in distributed control systems. It ensures reliable signal transmission between the FlexBus backplane and field wiring, offering flexible configuration and safe operation for industrial automation environments.
Key Specifications
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Manufacturer: Allen-Bradley
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Model: 1794-TBN
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Module Type: Terminal Base Unit
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Condition: New, factory-sealed
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Warranty: 12 months
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Terminal Screw Torque: 1.4 Nm (12 lb-in)
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Supply Voltage: FlexBus 5V DC, 640 mA
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I/O Terminals Max Current: 2A
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V/COM Terminals: 250V AC/DC, 10A, 50/60 Hz
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Isolation Voltage: 250V DC continuous (field wiring to FlexBus), 2500V DC/sec tested
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Enclosure: Open-style, no housing
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Recommended Mounting: Compatible with all Flex I/O modules
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Safety Note: Disconnecting switch does not break load current; always switch circuits under no-load conditions
Applications
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Supports Allen-Bradley Flex I/O modules for distributed control networks
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Suitable for modular PLC systems in manufacturing, process control, and material handling
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Provides secure connections between field wiring and FlexBus backplane
FAQ
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Q: Can the 1794-TBN terminal base unit be used with all Flex I/O modules?
A: Yes, it is compatible with standard Flex I/O modules designed for the 1794 series. -
Q: Is a protective enclosure required?
A: No, the terminal base is open-style but should be installed in a control panel or protective enclosure to meet safety standards.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.