Description
Allen-Bradley 1794-IA8I Flex I/O Isolated AC Input Module
The Allen-Bradley 1794-IA8I is a premium isolated AC input module for Flex I/O systems. This advanced module from Rockwell Automation provides eight fully isolated input channels with enhanced safety features. It offers superior electrical isolation for demanding industrial applications.
Technical Specifications
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1794-IA8I
- Product Type: Flex I/O Isolated AC Input Module
- Number of Inputs: 8 fully isolated channels
- Input Voltage Range: 65-132V AC
- Nominal Voltage: 120V AC
- On-State Current: 7.1-14.32 mA
- Off-State Voltage: 43V AC maximum
- Response Time: 8.4ms (Off to On), 26.4ms (On to Off)
- Flexbus Current: 30 mA @ 5V DC
- Power Dissipation: 4.5W maximum
- Isolation Rating: Full channel-to-channel isolation
- Operating Temperature: 0 to 55°C (32 to 131°F)
- Indicators: 8 yellow status LEDs
- Humidity Range: 5-95% non-condensing
- Communication Support: ControlNet, DeviceNet, EtherNet/IP, Remote I/O
Installation & Compatibility
- Compatible terminal bases: 1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD
- DIN rail mounting for easy installation
- Hot-swappable design minimizes system downtime
- No direct wiring to module – connects through terminal base
- Works with all Flex I/O communication adapters
Packaging & Shipping
- Includes 1794-IA8I isolated input module only
- Industrial-grade protective packaging
- Worldwide shipping via FedEx, UPS, and DHL
- 12-month comprehensive warranty coverage
Frequently Asked Questions
- What does “fully isolated” mean for this module?
Each input channel is electrically separated from others and from the system for enhanced safety. - Can I really change this module without shutting down power?
Yes, the hot-swap capability allows maintenance without system shutdown. - What is the advantage of slower response times?
The filtering (8.4ms/26.4ms) provides noise immunity in electrically noisy environments. - Which applications benefit most from this isolated design?
Motor control centers and applications using control transformers benefit most. - Does this module support extreme environment operation?
XT versions are available for operation in extreme temperature conditions.
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