Product Details
The Honeywell 51191699-100, also cataloged as the MTL4016 Switch Prox Detector, operates as a dedicated hardware component for intrinsic safety signal conditioning and discrete status monitoring within Honeywell DCS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51191699-100 (MTL4016) |
| Brand | Honeywell / MTL |
| Origin | France |
| Weight | 0.12 kg (0.26 lbs) |
| Dimensions | 17.5 mm x 114.0 mm x 119.0 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | 20 to 35 VDC (30 mA maximum) |
| Sensor Inputs | Switch contacts or NAMUR proximity detectors |
| Output Type | Open-collector transistor outputs |
| Isolation | 250 VAC input-to-output galvanic isolation |
| Enclosure Rating | IP20 |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The MTL4016 interface module enables safe transmission of discrete binary signals from field proximity sensors or dry contact switches located in hazardous areas directly into safe-area DCS digital input modules. Integrated galvanic isolation barriers eliminate ground current loops and suppress differential voltage spikes across field terminal lines. When integrated alongside analog field loops running 4-20 mA HART loop protocol signaling, the switch barrier prevents high-frequency electromagnetic noise propagation, ensuring discrete channel signal integrity across process automation networks.
Frequently Asked Questions
Q: Can the 51191699-100 module be installed or replaced on an energized backplane?
A: Yes. The unit features safe-area plug-in edge pin connectors designed for live-insertion and removal without disrupting neighboring signal conditioning channels.
Q: What type of field sensors are compatible with the input terminals of the 51191699-100?
A: The input channels support standard NAMUR proximity switches or volt-free dry contacts located in intrinsically safe zones.
Field Installation Guidelines
- DIN-Rail Mounting: Snap the module housing onto standard EN 60715 DIN-rail carriers within a protective enclosure.
- Hazardous Wiring Separation: Maintain strict physical segregation between hazardous area field wiring and safe-area output cabling.
- Shield Grounding: Connect field cable shields to the main cabinet functional earth busbar at a single earthing point to prevent loop currents.
- Thermal Ventilation: Ensure at least 10 mm of clear airspace above and below the module housing to enable passive convection cooling within the cabinet.
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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