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Product Introduction
The Honeywell 10205/2/1 Fail-Safe Analog Output Module is a high-integrity analog output device designed to meet the most stringent demands of critical safety systems. It is a core component of Honeywell’s Failsafe Control System (FSC) platform, specifically designed for use in Emergency Shutdown Systems (ESD), Fire and Gas Systems (F&G), and Safety Instrumented Systems (SIS).
This analog output module provides high-integrity analog signals (typically 4–20 mA) and includes built-in fail-safe mechanisms, ensuring that in the event of system fault or failure, the output transitions to a known safe state. With redundancy capabilities, diagnostic features, and field-proven reliability, this module is a preferred choice in industries such as oil & gas, refining, and power generation where safety and uptime are non-negotiable.
Product Specifications
| Parameter | Details |
|---|---|
| Model | 10205/2/1 |
| Type | Fail-Safe Analog Output Module |
| Output Signal | 4–20 mA (active analog output) |
| Output Channels | 2 channels per module |
| Load Resistance | 0 to 750 Ohms |
| Accuracy | ±0.1% of span |
| Response Time | <10 ms |
| Isolation | Galvanically isolated from system and between channels |
| Redundancy Support | Yes (module-level redundancy supported) |
| Diagnostics | Self-test, watchdog, open loop, and over-range detection |
| Fail-Safe Mode | Configurable default output value upon fault |
| Power Supply | 24 VDC nominal |
| Power Consumption | Approx. 4 W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Mounting | DIN-rail or system chassis mounting |
| Dimensions (W×H×D) | 325 x 150 x 150 mm |
| Weight | 0.449 kg |
| Certifications | TUV, SIL 3 (IEC 61508), ATEX, CE |
Applications
The 10205/2/1 Fail-Safe Analog Output Module is designed for safety-critical applications where analog control is necessary and failure must lead to a known-safe state:
-
Emergency Shutdown (ESD) Systems
Provides precise analog outputs to control valves, actuators, or shutdown logic in critical situations. -
Fire and Gas Systems (F&G)
Sends analog output to alarms or suppression systems upon detection of hazards. -
Process Safety Instrumented Systems (SIS)
Integral to systems where SIL-rated components are required for hazard risk reduction. -
Oil & Gas Platforms
Used to interface with actuators or control valves in offshore/onshore production facilities. -
Petrochemical and Refining Plants
Regulates analog output in distillation, cracking, and blending safety loops. -
Power Generation Facilities
Ensures that analog outputs are handled safely in boiler management and turbine control.
Product Advantages
-
Failsafe Architecture
Outputs are forced to a predefined safe value under failure or watchdog timeout conditions. -
High Accuracy and Stability
±0.1% full-scale accuracy ensures consistent performance in analog safety loops. -
Channel Isolation
Complete isolation between each output channel and system electronics for safety. -
Built-in Diagnostics
Comprehensive internal checks including loop monitoring, open circuit detection, and watchdog. -
SIL 3 Certified
Designed in compliance with IEC 61508 standards for safety-critical instrumentation. -
Redundancy Ready
Can be used in dual-redundant configurations to eliminate single-point failures. -
Robust Environmental Ratings
Operates reliably across a wide range of temperatures and humidity conditions. -
Compact and Modular Design
Space-saving construction for high-density safety system cabinets. -
Global Compliance
Certified to international standards including CE, TUV, and ATEX. -
Honeywell Integration
Fully compatible with Honeywell FSC, Safety Manager, and Experion PKS systems.
Frequently Asked Questions (FAQ)
-
What is the output signal type of the 10205/2/1 module?
The module delivers a standard 4–20 mA analog output. -
Is this module certified for use in SIL-rated systems?
Yes, it is certified for SIL 3 applications as per IEC 61508. -
What happens when the module encounters a failure?
The output goes to a predefined safe value (configurable) to ensure safety. -
Can the module be used in redundant configurations?
Yes, it supports module-level redundancy to prevent single point of failure. -
How many output channels does this module provide?
It has two independent analog output channels. -
Is channel-to-channel isolation supported?
Yes, each channel is galvanically isolated from the other. -
What is the power requirement for the module?
It operates on 24 VDC nominal and consumes approximately 4 W. -
Is there any LED indication or diagnostics?
The module includes fault detection and internal diagnostics, but LED indicators depend on the base unit or chassis. -
Can this module be mounted on DIN rails?
Yes, it supports both DIN-rail and chassis mounting options. -
In which systems is the module typically used?
It is used in Honeywell FSC, Safety Manager, and similar process safety systems.
Related Models (Same or Compatible Series)
| Model | Function | Channels | Key Feature |
|---|---|---|---|
| 10201/2/1 | Analog Input Module | 2 | SIL-certified, high accuracy |
| 10209/2/1 | Digital Output Module | 16 | Fail-safe DO with diagnostic capabilities |
| 10204/2/1 | Digital Input Module | 16 | Supports redundant configurations |
| 10212/2/1 | Relay Output Module | 8 | Suitable for high-load switching |
| 10310/1/1 | System Processor Module | — | Central processing for FSC |
| 10100/1/1 | Power Supply Module | — | Dual redundant power input module |
Popular Honeywell Models (Same Brand)
| Model | Function | System | Key Features |
|---|---|---|---|
| CC-PAIH01 | Analog Input Module | C300 (Experion PKS) | 16 AI with HART support |
| CC-PCF901 | Control Processor Module | C300 | Core CPU for Experion controller |
| CC-TAIX01 | Isolated Analog Input Module | C300 | Fully isolated with redundant field power |
| 51305865-275 | Analog Output Module | TDC 3000 | Legacy AO module with precise control |
| CC-TDIL01 | Digital Input Module | C300 | 16-channel, fault-tolerant digital input |
| 51401583-100 | Digital Output Module | TDC 3000 | High-speed output for safety-critical systems |
