Product Details
Overview
The Allen-Bradley 1797-BIC is a bus isolator module designed for FLEX I/O and FLEX Ex configurations, enabling intermixed systems that combine intrinsically safe (IS) and non-intrinsically safe modules. It allows modules to be mounted on DIN rails while maintaining galvanic isolation, ensuring safe and cost-effective integration across hazardous and safe areas.
This module is ideal for applications where FLEX Ex I/O and communication adapters require separation or when physical space constraints exist in industrial control systems.
Technical Specifications
I/O Module Capacity
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Supports up to 8 FLEX Ex modules
Indicators
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Power LED: Green when the module is powered
Isolation
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Flexbus to Flexbus: Galvanic isolation per DIN EN 60079-11
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Flexbus Slave Side to Power Supply: Galvanic isolation per DIN EN 60079-11
Power Requirements
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Supply Voltage: 18–32 V DC @ 0.15 A
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Maximum Input Voltage (Um): 253 V AC
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Power Dissipation: 2.1 W
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Thermal Dissipation: 7.2 BTU/hr
Intrinsic Safety Certification
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Module Type: [Ex ib] IIC certified
Electrical Connections
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Maximum Conductor Size: 4 mm² (12 AWG) stranded
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Maximum Insulation Thickness: 1.2 mm (3/64 in)
Environmental Ratings
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Operating Temperature: −20 to 70 °C (−4 to 158 °F)
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Storage Temperature: −40 to 85 °C (−40 to 185 °F)
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Relative Humidity: 5–95%, non-condensing
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Shock: 30 g, 11 ms pulse width (operating & non-operating)
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Vibration: 5 g, 10–500 Hz per IEC 68-2-6
Mechanical Dimensions
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Size: 94 × 75 × 87 mm
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Weight: ~200 g
Key Features
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Supports intermixed IS and non-IS FLEX I/O modules
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Galvanic isolation ensures system safety in hazardous environments
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DIN rail mounting for flexible installation
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Certified intrinsically safe for use in explosive atmospheres
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Compact design minimizes panel space requirements
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LED indicators provide immediate operational status
Applications
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Hazardous area process control
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Distributed control systems combining IS and non-IS modules
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FLEX Ex I/O communication networks
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Safety-critical industrial automation systems
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.
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