Product Overview
The Triconex 3805H Analog Output Module is a high-integrity, high-availability component specifically designed for use within Schneider Electric’s Triconex Tricon™ safety and critical control systems. Tailored for demanding industrial environments, this module delivers accurate and isolated analog current output signals to field devices including valves, drives, positioners, and actuators in safety-critical applications.
The 3805H model represents an evolution / the 3805 series, designed to enhance reliability, maintainability, and integration into SIL 3-certified safety systems. As part / a Triple Modular Redundant (TMR) architecture, it ensures seamless and deterministic analog control output even under fault conditions. The module is ideal for applications in refining, petrochemical, LNG, /fshore platforms, power generation, and water treatment facilities, where analog precision is directly linked to operational safety.
产品规格
| Parameter | Specification |
|---|---|
| 型号 Number | Triconex 3805H Analog Output Module |
| Output Type | Analog Current Output |
| Output Range | 0–20 mA or 4–20 mA (user-selectable) |
| Channel Count | 8 isolated output channels |
| Resolution | 12-bit resolution |
| Accuracy | ±0.1% / full-scale |
| Response Time | < 10 ms |
| Isolation | Channel-to-channel and channel-to-backplane isolation |
| Diagnostic Features | Loop integrity monitoring, channel-level diagnostics, open/short detection |
| Redundancy | Fully compatible with TMR configurations |
| Power Supply Voltage | Supplied via Tricon main chassis |
| Hot-Swappable | Yes |
| Operating Temperature | -20°C to +60°C (-4°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Shock Resistance | 10 g (operating), 30 g (non-operating) |
| Vibration Resistance | 1 g from 5 to 100 Hz |
| Certifications | SIL 3 (IEC 61508), CE, TÜV, ATEX, CSA |
| Mounting | Tricon chassis (backplane communication) |
| Dimensions (W x H x D) | 114.3 ×127 × 107.95 mm |
| 重量 | 1.5 kg |
| Configuration | S/tware configurable via Triconex engineering tools |
| Compatible Systems | Tricon v10 or later |
Applications
The 3805H Analog Output Module is purpose-built for mission-critical analog control in both safety and process automation environments. Typical use cases include:
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Emergency Shutdown Systems (ESD)
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Burner Management Systems (BMS)
-
Process Valve Control
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Compressor Surge Prevention
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High Integrity Pressure Protection Systems (HIPPS)
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Pipeline Monitoring and Valve Actuation
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Turbine and Generator Control
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Water Flow Regulation in Utilities
Its compatibility with industry protocols and deterministic output control ensures that analog devices respond precisely to the demands / the system, particularly when human safety and asset protection are paramount.
Advantages
-
Enhanced Diagnostic Coverage
Real-time monitoring / each channel helps detect faults like open loop, short circuits, and out-/-range signals, minimizing downtime and preventing unnoticed failures. -
Certified Safety Integrity Level 3 (SIL 3)
Full compliance with IEC 61508 standards, suitable for the most critical safety applications across process industries. -
High Output Accuracy and Speed
Provides precise analog signal generation with fast response times to support time-sensitive control operations. -
Field-Proven Redundancy
Designed to operate within TMR architectures, ensuring no single point / failure can affect the overall system output. -
Hot-Swappable Without Process Interruption
Module replacement or upgrade can be performed without system shutdown, enabling seamless plant operation. -
Built-In Isolation
Ensures electrical isolation between channels and system backplane, enhancing safety and reducing the risk / signal interference. -
Universal Current Output 支持
Compatible with a wide range / industrial analog field instruments using either 0–20 mA or 4–20 mA signals.
常见问题 (FAQ)
-
Q: What is the difference between the 3805H and the 3805EN modules?
A: The 3805H is an enhanced model that includes improved diagnostics, reliability, and support for newer Tricon platforms. -
Q: Can the 3805H be installed while the system is running?
A: Yes, it is hot-swappable and can be installed or replaced without interrupting the process. -
Q: How is the module configured for 0–20 mA or 4–20 mA?
A: Output ranges are selected via Triconex s/tware tools during system configuration. -
Q: Does the module provide isolation between channels?
A: Yes, each channel is electrically isolated from the others and from the system backplane. -
Q: What happens if one output channel fails?
A: The module’s built-in diagnostics detect and report failures, allowing maintenance while the remaining channels operate normally. -
Q: What is the output resolution / the 3805H?
A: It supports 12-bit digital-to-analog conversion for precise signal generation. -
Q: Is the module compatible with all versions / the Tricon system?
A: It is designed for use with Tricon v10 or later; compatibility with older systems should be verified. -
Q: How many channels are available per module?
A: There are 8 isolated analog output channels per 3805H module. -
Q: Can this module be used in /fshore or hazardous environments?
A: Yes, it is ATEX-certified and ruggedized for harsh industrial conditions. -
Q: What kind / maintenance does the 3805H require?
A: It is low-maintenance due to robust design and diagnostics; periodic testing and firmware updates are recommended.
Related 型号s from the Same Series
| 型号 Number | 描述 | Type | Channel Count | TMR 支持 |
|---|---|---|---|---|
| 3805EN | Analog Output Module | Analog Output | 8 | Yes |
| 3700A | Analog Input Module | Analog Input | 32 | Yes |
| 3503E | Digital Output Module | Digital Output | 32 | Yes |
| 3625 | Digital Input Module | Digital Input | 32 | Yes |
| 3721 | High-Performance Analog Input Module | Analog Input | 16 | Yes |
| 3564 | High-Density Digital Output Module | Digital Output | 64 | Yes |
Popular Triconex 型号s from Schneider Electric
| 型号 Number | 描述 | 分类 | Application Area |
|---|---|---|---|
| 3008 | Tricon Main Processor Module | CPU/Controller | Central processing |
| 3501T | Digital Input Module | Digital Input | BMS, ESD input monitoring |
| 3721 | Analog Input Module | Analog Input | Process monitoring |
| 3664 | Pulse Input Module | Pulse Input | Flowmeter and turbine input |
| 3604E | Digital Output Module | Digital Output | On/Off control |
| 8110 | Communication Interface Module | Comm Interface | Remote communications |
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