Product Details
Overview
The 8U-TDILB1 is a redundant 32-channel digital input module from Honeywell’s IOTA series, designed for fault-tolerant monitoring of discrete field signals within Experion PKS and TPS control systems. Its fully redundant architecture ensures high availability and continuous operation in critical control environments.
Technical Specifications
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Model: 8U-TDILB1
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Manufacturer: Honeywell
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Number of Channels: 32 digital input channels
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Input Type: Dry contact or 24 V DC sourced signals
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Input Voltage Range: 0–35 V DC (Logic high >10 V, Logic low ≤5 V)
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Input Current: ~2.5 mA per channel at 24 VDC
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Channel Isolation: 500 VDC between field wiring and system logic
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Response Time: <10 ms (configurable filtering available)
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Redundancy Switchover Time: <500 ms
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Operating Temperature: -20°C to +70°C
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Power Supply: Powered via IOPS (I/O Power Supply) unit
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Backplane Interface: IOHIGHWAY at 1.2 Mbit/s or 4 Mbit/s
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Mounting: Standard rack or DIN-compatible installation
Applications
The 8U-TDILB1 is suitable for:
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Redundant monitoring of digital signals in Experion PKS or TPS systems
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Applications requiring high-availability input modules with hot-swap capability
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Systems with critical process monitoring where channel isolation is needed
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Environments with fluctuating field signals needing rapid response
FAQ
Q: Can this module be replaced without shutting down the system?
A: Yes, the 8U-TDILB1 supports hot-swapping with automatic failover.
Q: How does the 8U-TDILB1 compare with 8U-TDILA1?
A: 8U-TDILA1 provides standard digital input functionality without redundancy, while 8U-TDILB1 adds a fully redundant architecture for fault-tolerant operation.
Q: What input types are supported?
A: It accepts both dry contact and 24 V DC sourced digital inputs.
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
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