Isolated AC Input Module Allen-Bradley 1794-IA8I

Allen-Bradley 1794-IA8I Flex I/O 8-Channel Isolated AC Input Module

Core Technical Specifications

• Brand: Allen-Bradley
• Model: 1794-IA8I Isolated AC Digital Input Module
• Input Channels: 8 individually isolated AC input points
• Input Voltage Range: 65 to 132 Volts AC (120VAC nominal)
• On-State Current: 7.1 mA minimum, 14.32 mA maximum
• Off-State Voltage: 43 Volts AC maximum
• Off-State Current: 2.9 mA minimum
• Nominal Input Current: 12 mA at 120V AC
• FlexBus Current: 30 mA at 5V DC for backplane power
• Power Dissipation: 4.5 Watts maximum at 132V AC

Key Features & Advantages

• Hot-Swappable Design: Modules can be inserted or removed with power applied
• Time-Saving Installation: No direct wiring to module reduces downtime
• Enhanced Safety: Isolated inputs prevent cross-channel interference
• Ideal Applications: Motor control centers, control transformers, critical processes
• Status Indicators: 8 yellow LEDs (one per channel) for visual status monitoring
• Response Time: 8.4 ms OFF to ON, 26.4 ms ON to OFF filtering

Compatibility & Connectivity

• Network Compatibility: Works with ControlNet, DeviceNet, EtherNet/IP, and Universal Remote I/O
• Terminal Bases: Compatible with 1794-TB3, 1794-TB3S, 1794-TBN, 1794-TB2, and 1794-TBKD
• XT Versions Available: Extended temperature models for harsh environments
• DIN Rail Mounting: Standard industrial mounting for easy installation

Environmental & Operating Conditions

• Operating Temperature: 0 to 55°C (32 to 131°F) standard range
• Relative Humidity: 5 to 95% non-condensing operation
• Hot-Swap Capable: Supports live insertion and removal without system restart
• Reduced Maintenance: Isolation reduces panel costs and maintenance requirements
• Industrial Durability: Designed for reliable operation in demanding environments

Frequently Asked Questions (FAQ)

• Q: How is the 1794-IA8I different from the 1794-IA8?
  A: The 1794-IA8I features 8 isolated input channels, while the 1794-IA8 has non-isolated channels.
• Q: Can I hot-swap this module during operation?
  A: Yes, the 1794-IA8I supports live insertion and removal without system restart.
• Q: What networks does this module support?
  A: It's compatible with EtherNet/IP, ControlNet, DeviceNet, and Universal Remote I/O networks.
• Q: What is the input voltage range?
  A: The module accepts AC inputs from 65 to 132 Volts AC with 120VAC nominal.
• Q: What is your shipping and return policy?
  A: We ship within 5 business days and offer a 30-day return guarantee on all purchases.

For technical specifications, application support, or pricing information, contact our automation specialists.

Contact Information Inquiries: Email sales@nex-auto.com or WhatsApp +86 153 9242 9628.

Partner: NexAuto Technology Limited