Product Core Brief

• Model: LCP100
• Brand: Emerson (Fisher)
• Series: FIELDVUE SIS Solutions
• Core Function: Provides local power, status indication, and manual override capability for SIS digital valve controllers.
• Product Type: Local Control Panel / Safety Interface
• Key Specs: 24 VDC Power | 8-20 mA Loop | IP66 Housing | Hazardous Area Rated
• Condition: New Original / New Surplus

EMERSON A6110

Product Introduction

The Fisher LCP100 is an essential component in Safety Instrumented Systems (SIS), acting as the local interface for DVC6200 SIS and DVC6000 SIS digital valve controllers.

It is engineered to operate in hazardous areas, providing a safe, localized point for operators to monitor valve status, perform diagnostics, and execute manual overrides without entering the control room. The panel handles power distribution (24 VDC) and signal conditioning for the SIS loop, ensuring that safety-critical valve actions remain reliable even during partial power fluctuations. Its robust IP66 enclosure protects internal electronics from dust and high-pressure water jets, making it suitable for harsh outdoor or washdown environments.

Key Technical Specifications

• Power Input: 24 VDC ±10% (External)
• Power Consumption: 50 mA max continuous; 100 mA max inrush
• Signal Loop: 8–20 mA (Combined LCP100 + DVC6200 SIS)
• Enclosure Rating: IP66 (Dust-tight, protected against powerful water jets)
• EMI Compliance: Meets EN 61326-1:2013 (Industrial Immunity)
• Hazardous Area: Certified for use in classified hazardous locations (Refer to specific CSA/ATEX approval supplement)
• Mounting: Pipe or Wall Mount (via bracket)

Quality Control Process (Engineer’s Perspective)

1. Incoming Verification: Verify part number LCP100. Inspect the IP66 gasket and cable glands for integrity. Check terminal blocks for corrosion or stripped threads.
2. Visual Inspection: Ensure the housing is free from cracks or impact damage. Verify the nameplate matches the hazardous area certification required for your site.
3. Wiring Check: Verify the 24 VDC polarity and the 8-20 mA loop wiring. Crucial: Ensure the loop current is within the 8-20 mA range; standard 4-20 mA signals may not power the panel correctly.
4. Functional Test: Apply 24 VDC. Verify the “Power” LED illuminates. Connect to a DVC6200 SIS and verify the “Status” LED reflects the valve position correctly.
5. Final QC & Packaging: Seal in anti-static bag. Apply QC Passed label with date.

EMERSON A6110

Replacement Pitfall Guide

❗ SIS vs. Standard DVC: The is specifically for SIS applications. Do not use it with standard (non-SIS) DVC6200 or DVC6000 controllers unless explicitly validated, as the power and signaling logic differs.

❗ Loop Current Requirement: The panel requires a minimum of 8 mA to operate. If your system uses a standard 4-20 mA output from the controller, verify that the is configured or wired to boost this to the required 8-20 mA operating range, or use a compatible SIS power supply.

❗ Hazardous Area Certification: The has specific approval markings (e.g., CSA, ATEX). Never substitute a standard industrial panel in a hazardous area. Verify the approval code on the nameplate matches your site’s area classification (e.g., Class I Div 1, Zone 1).

❗ Gasket Integrity: When replacing, ensure the front cover gasket is seated correctly. A compromised gasket will void the IP66 rating and potentially the hazardous area certification.

❗ Wiring Termination: Use proper ferrules and torque specifications. Loose connections in a safety loop can cause intermittent power loss, leading to a “fail-safe” valve trip during normal operation.

❗ Grounding: Ensure the panel is properly grounded via the external ground lug. Poor grounding can cause EMI issues, triggering false diagnostics in the DVC6200 SIS.

Keep these in mind and you’ll cut 90% of rework time.

Compatibility Matrix & Benchmarks

• → DVC6200 SIS : Primary Match — Designed specifically for this digital valve controller.
• → DVC6000 SIS : Compatible — Also supported (refer to manual D103230X012).
• → Bettis Actuator : Mechanical — Often mounted directly on Bettis actuators via adapter kit.
• → 24 VDC Power Supply : Required — Must be a regulated, isolated 24 VDC source capable of 100 mA inrush.

Benchmarks:

• Startup Time: < 2 seconds to stable operation after power application.
• Loop Voltage Drop: < 2V at 20 mA (verify with multimeter at panel terminals).
• Temperature Range: -40°C to +85°C (Internal electronics).

Need me to pull up the or the Hazardous Area Approval Supplement for your specific zone classification? Let me know which one you’d like.