Overview
The 3M EOTec Module 22-1006 is a specialized fiber optic interface module designed for industrial automation and process control applications. This EOTec 2000 system component serves as a rupture disc alarm monitor, enabling reliable alarm detection and transmission over fiber optic media. The module provides EMI/RFI immunity and supports long-distance communication runs typical of hazardous area instrumentation and control system extensions.
Key Features
- Fiber optic interface technology for EMI/RFI immunity in industrial environments
- Rupture disc alarm monitoring capability for process safety applications
- Compatible with EOTec 2000 modular system architecture
- Operates in harsh environments with extended temperature range support
- Supports media redundancy for critical control applications
- Screw terminal connections for standard industrial wiring (12–24 AWG)
Technical Specifications
- Manufacturer: 3M (Weed Instrument)
- Model/Part Number: 22-1006
- Product Type: Fiber Optic Alarm Monitor Module
- System Compatibility: EOTec 2000
- Operating Temperature: -40 to 85°C
- Humidity Range: 0–95% RH (non-condensing)
- Power Requirement: 9 VDC @ 200 mA max (via bus) or 12–30 VDC @ 400 mA external
- Output Type: SPDT Form C relay contact
- Contact Rating: 12–24 AWG (0.5–2.4 mm) cage-clamp terminals
- Optical Interface: Fiber optic connector
- Condition: Used
Typical Applications
- Rupture disc pressure relief monitoring in process vessels and reactors
- Remote alarm detection in hazardous (classified) areas
- Long-distance instrumentation extensions for DCS and PLC systems
- Industrial safety and pressure relief system integration
- EMI/RFI–sensitive control environments (refineries, chemical plants, utilities)
Compatibility & Replacements
Compatible With
- EOTec 2000 fiber optic modem system
- Weed Instrument EOTec optical interface modules
- Industrial PLC and DCS systems via fiber optic gateway
- Hazardous area (Class I, Class II) instrumentation networks
- 24 VDC industrial control power supplies
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator or Weed Instrument technical support before ordering. Original equipment documentation should confirm module interchangeability.
Works With
- Fiber optic communication networks and protocols
- Industrial process control and SCADA systems
- Pressure relief and safety instrumentation systems
- Remote I/O and multiplexing architectures
- Standard industrial relay logic and alarm systems
