Product Details
Configured for discrete signal acquisition and contact status sensing in Experion PKS C300 systems, the Honeywell 51306856-175 (8C-TDIL01 / 8U-TDIL01 Digital Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51306856-175 (8C-TDIL01 / 8U-TDIL01) |
| Brand | Honeywell |
| Origin | USA |
| Weight | ~0.31 kg (Logic Module), ~140 g (IOTA) |
| Dimensions | 20.2 cm x 14.4 cm x 4.9 cm (Logic), 118 mm x 32 mm x 87 mm (IOTA) |
| Operating Temp | -40 deg C to +70 deg C |
| Power Consumption | Max 3.2 W |
| Input Channels | 16 independent channels |
| Rated Input Voltage | 24 VDC |
| Input Voltage Range | 18 to 30 VDC |
| Input Current | Max 6 mA per channel |
| Response Time | < 8 ms |
| Isolation Voltage | 1500 VAC |
Channel-to-Channel Isolation & Cold Junction Compensation (CJC)
The module integrates 16 optocoupler-isolated digital input channels rated for 24 VDC operation across an input range of 18 to 30 VDC. The 1500 VAC galvanic isolation barrier decouples field wiring loops from internal processing logic, blocking transient voltage spikes and ground loop currents. Inputs achieve a response time under 8 ms while drawing a maximum current of 6 mA per channel, enabling deterministic status detection for limit switches, proximity sensors, and contact closures directly routed through the Series 8 backplane.
Frequently Asked Questions
Q: What is the maximum signal propagation delay for field contact inputs through the 8C-TDIL01 module?
A: The module processes input state transitions with a total response time under 8 ms.
Q: Can the 8C-TDIL01 logic module be replaced without disturbing field wiring connections?
A: Yes, field wiring terminates directly at the 8U-TDIL01 IOTA, allowing the 8C-TDIL01 logic module to be unseated independently during maintenance.
Q: What isolation voltage rating protects the controller logic from field side electrical surges?
A: The module provides optocoupler isolation rated at 1500 VAC between field input terminals and internal system logic.
Field Installation Guidelines
- Ensure power to the 8U-TDIL01 IOTA carrier base is turned off before mounting or unseating the 8C-TDIL01 logic module.
- Wear an ESD wrist strap connected to cabinet earth ground during module handling and installation.
- Align the 8C-TDIL01 logic card with the terminal assembly guides and press evenly until retention screws can be securely fastened.
- Keep 24 VDC input wiring separated from high-voltage AC power cabling in control enclosure ducting to limit electromagnetic interference.
- Connect input cable shields to a dedicated earth ground bar at a single termination point.
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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