製品紹介
The Honeywell 2MLI-D21D Digital Input Module is an industrial-grade digital input 台 designed to be a part / Honeywell’s reliable and high-performance automation and control systems. Engineered to provide accurate signal detection and seamless communication with programmable logic controllers (PLCs) and distributed control systems (DCS), this module stands out for its dependable operation even in harsh industrial environments.
As part / Honeywell’s Modular I/O (MLI) product line, the 2MLI-D21D module supports 24V DC digital inputs and is well-suited for discrete input applications in industries such as oil & gas, power generation, chemical processing, and manufacturing automation. It provides robust signal isolation, real-time diagnostic features, and ease / integration into existing control infrastructures.
Technical Specifications
| Parameter | 説明 |
|---|---|
| モデル | 2MLI-D21D |
| メーカー | Honeywell |
| Input Type | Digital (Discrete) |
| Number / Channels | 16 digital input channels |
| Input Voltage Range | 24V DC nominal (with tolerances typically from 18–30V DC) |
| Input Current | Approx. 3.2 mA per channel |
| Isolation | Channel-to-bus isolation via opto-isolators |
| Input Signal Delay | Typically <10 ms |
| Diagnostics | Channel-wise status indication and fault detection |
| Power Consumption | Approx. 5W |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% non-condensing |
| Mounting Type | DIN rail or panel mounting |
| Communication Interface | Backplane bus via I/O base |
| Dimensions (W x H x D) | 135 x 115 x 30 mm |
| 重量 | 0.17 kg |
| Compliance / Certifications | CE, UL, CSA, RoHS compliant |
Applications
The 2MLI-D21D module finds application in a wide range / industrial sectors where real-time monitoring and status detection / digital devices is critical. Its versatility makes it ideal for:
-
Factory Automation Systems: Monitoring limit switches, proximity sensors, and push buttons.
-
Process Control Systems: Capturing ON/OFF states / pumps, valves, and actuators.
-
Power Plants: Monitoring digital status signals in turbine and generator control systems.
-
Oil & Gas Facilities: Digital signal acquisition in hazardous area systems with intrinsic safety barriers.
-
Water & Wastewater Treatment: Controlling remote inputs from field instrumentation and actuators.
-
Building Management Systems (BMS): Interfacing with HVAC 台s and security systems.
Product Advantages
-
High Reliability: Designed for continuous operation in harsh industrial environments.
-
16 Channel Density: High-density module reduces the number / 台s required, saving cabinet space.
-
Electrical Isolation: Opto-isolation ensures protection from field-induced electrical noise.
-
Plug-and-Play Design: Easily integrates with Honeywell’s Experion and other DCS/PLC systems.
-
Advanced Diagnostics: Built-in fault detection for rapid troubleshooting.
-
Industrial Durability: Operates across a wide temperature range with vibration tolerance.
-
Modular Architecture: Scalable for expanding I/O needs without replacing existing setups.
-
Regulatory Compliance: Meets global standards for safety and emissions.
-
Low Power Consumption: Energy-efficient design supports long-term sustainability goals.
-
Maintenance-Friendly: LED status indicators and tool-free module replacement minimize downtime.
よくある質問 (FAQ)
-
What voltage does the 2MLI-D21D Digital Input Module support?
It supports a nominal 24V DC input, with a typical range between 18V and 30V DC. -
Can I use this module in a high-temperature environment?
Yes, it operates efficiently in environments ranging from -20°C to +60°C. -
Is the module compatible with Honeywell’s Experion PKS system?
Absolutely. It is designed to integrate seamlessly with Experion and other Honeywell control systems. -
Does this module provide galvanic isolation?
Yes, each channel is opto-isolated to ensure electrical protection. -
What is the physical size / the module?
The dimensions are 135 x 115 x 30 mm. -
Is it suitable for marine or /fshore applications?
While not marine-certified by default, it can be used in /fshore environments if housed appropriately. -
Can I mount the module directly on a DIN rail?
Yes, it supports both DIN rail and panel mounting. -
How many digital input channels does it support?
It has 16 digital input channels. -
Are there LED indicators for each input channel?
Yes, each channel has a dedicated status LED for monitoring input state. -
What happens if one channel fails?
The system can detect and report the fault, allowing continued operation / the remaining channels.
Related モデルs from the Same Series or カテゴリー
| モデル Number | 説明 | Input Type | Channels | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| 2MLI-D22D | Digital Input Module, Isolated | Digital | 16 | 50 x 130 x 120 | 0.45 kg |
| 2MLI-R11A | Relay Output Module | Relay | 8 | 50 x 130 x 120 | 0.48 kg |
| 2MLI-A41B | Analog Input Module | Analog | 8 | 50 x 130 x 120 | 0.46 kg |
| 2MLI-D21F | Fast Digital Input Module | Digital | 16 | 50 x 130 x 120 | 0.45 kg |
| 2MLI-D24D | Digital Input Module with Diagnostics | Digital | 32 | 100 x 130 x 120 | 0.60 kg |
| 2MLI-PWR01 | Power Supply Module for MLI System | Power | — | 60 x 130 x 120 | 0.50 kg |
Popular Honeywell モデルs from その他 Series
| モデル Number | 説明 | Type | Key Feature | Dimensions (mm) | 重量 |
|---|---|---|---|---|---|
| HC900-C50 | Process Automation Controller | Controller | Modular hybrid controller | 132 x 160 x 180 | 1.20 kg |
| C300 Controller | Experion PKS Process Controller | Controller | Advanced process control | 120 x 180 x 140 | 1.50 kg |
| RM7838A1070 | Burner Control Relay Module | Safety Module | Flame safeguard, diagnostics | 110 x 150 x 70 | 0.70 kg |
| ST700 | Smart Pressure Transmitter | Transmitter | HART, SIL-certified | 110 x 130 x 150 | 1.60 kg |
| T2750 PAC | Programmable Automation Controller | Controller | IEC 61131-compliant, scalable | 150 x 140 x 180 | 1.30 kg |
| UDC3500 | Universal Digital Controller | PID Controller | Advanced loop control | 96 x 96 x 100 | 0.60 kg |
会社情報
E-mail: [email protected]
Mobile：メールでのお問い合わせ
Whatsapp：メールでのお問い合わせ
Add: 中国福建省廈門市思明区呂嶺路2号 阿里山ビル 〒361006
サービス内容
当社は産業用オートメーション部品の供給を専門としており、1年間の保証を提供しております。当社の産業用オートメーション部品は世界中に販売されています。
当社は様々な国やメーカーの機器及びスペアパーツを提供し、複数拠点でのご不安や品質問題を解消するとともに、大きな価格メリットを実現しております。
製品詳細については、お気軽にお電話にてお問い合わせください。