Product Details
The Emerson 8617-FT-NI-01, also cataloged as the 8617-FT-NI Field Terminal Module, operates as a dedicated hardware component for field signal termination and wiring interface execution within Emerson DeltaV systems. It directly terminates up to 16 non-incendive field input channels to interface with corresponding DeltaV I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8617-FT-NI-01 |
| Brand | Emerson |
| Base Model | 8617-FT-NI |
| Origin | USA |
| Weight | 0.25 kg |
| Dimensions | Standard DeltaV Carrier Interface Footprint |
| Operating Temp | -40 to 70 deg C |
| Power Consumption | Passive Base Component (Loop Current Dependent) |
| Channel Capacity | 16 Input Channels |
| Protection Type | Non-Incendive (NI) Field Wiring Terminations |
| System Platform | Emerson DeltaV I/O Carrier Architecture |
| Enclosure Compatibility | Class I, Div 2 / Zone 2 Hazardous Environments |
4-20 mA HART Loop Protocol and Channel Isolation
The 8617-FT-NI-01 field terminal provides high-integrity trace routing that supports transparent 4-20 mA HART loop protocol pass-through between field transmitters and active DeltaV I/O cards. Built for Non-Incendive (NI) circuit compliance, the terminal card maintains high channel-to-channel isolation parameters and continuous grounding paths. This prevents field ground loops and localized electrical noise from interfering with digital HART communications or compromising primary analog signal conversion across adjacent channels.
Frequently Asked Questions
Q: What is the primary function of the non-incendive (NI) rating on the 8617-FT-NI-01?
A: The non-incendive terminal design prevents electrical sparking or thermal energy release capable of igniting hazardous gas mixtures during normal operating conditions in Class I, Division 2 / Zone 2 environments.
Q: Does the 8617-FT-NI-01 require a separate power supply feed?
A: No. The terminal block is a passive field interface component that routes loop power directly from the connected DeltaV I/O card and field power distribution rail.
Q: Can an I/O module attached to the 8617-FT-NI-01 terminal block be hot-swapped?
A: Yes. The field terminal block remains permanently wired on the DeltaV carrier, allowing the mating 16-channel I/O module to be removed and replaced without disconnecting field wiring.
Field Installation Guidelines
- Mount the terminal block securely onto the standard DeltaV 2-slot or 8-slot carrier rail until the locking tabs click fully into position.
- Strip individual field conductors to 6 mm and secure them into the 16-channel screw or spring-clamp terminals using a 0.5 Nm torque limit.
- Ensure cable shield drain wires are connected to the dedicated shield grounding bar on the carrier chassis to establish a low-impedance path to earth ground.
- Route field signal cables separately from high-voltage AC cables and motor power lines to prevent inductive noise coupling.
- Verify that field devices connected to the non-incendive terminal comply with Class I, Div 2 entity parameters before applying loop power.
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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