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Product Overview
The Honeywell 621-2101 Isolated Output Module is a reliable and high-performance module designed for critical industrial automation and process control applications. It ensures isolated signal transmission, reducing interference and improving operational safety. The module is widely applied in distributed control systems (DCS) where precision, safety, and reliability are paramount.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | Honeywell 621-2101 Isolated Output Module |
| Function | Isolated analog/digital output interface |
| Output Type | Isolated, protected against ground loops |
| Input Power | 24 VDC nominal |
| Isolation Voltage | 1500 V RMS |
| Response Time | < 5 ms |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +85 °C |
| Dimensions | 266.7 × 177.8 × 38.1 mm |
| Weight | 0.67 kg |
| Mounting | Rack-mounted |
| Compliance | CE, UL, CSA certified |
Applications
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Distributed Control Systems (DCS) in power plants and refineries
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Process automation in petrochemical and chemical industries
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Safety-critical control systems in pharmaceuticals and food industries
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Industrial manufacturing automation requiring isolated outputs
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Energy management systems and utility monitoring
Advantages
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High electrical isolation for enhanced system protection
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Fast response time ensuring precise control
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Rugged design suitable for harsh industrial environments
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Compact dimensions and lightweight structure for easy integration
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Reliable protection against ground loops and electrical noise
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Compliance with international standards for industrial safety
FAQ
Q1: What is the primary function of the Honeywell 621-2101 module?
A1: It provides isolated output signals to protect control systems from interference and ground loops.
Q2: Can this module be used in safety-critical applications?
A2: Yes, its isolation and compliance make it suitable for safety-critical industrial processes.
Q3: What type of power supply does the module require?
A3: It operates with a nominal 24 VDC supply.
Q4: What industries commonly use this module?
A4: Power generation, petrochemical, chemical, pharmaceutical, and general process industries.
Q5: How does isolation improve system reliability?
A5: It prevents electrical interference and ground loops, ensuring stable and accurate signal transmission.
Q6: What is the response time of the module?
A6: Less than 5 milliseconds, supporting real-time control.
Q7: Is the module suitable for high-temperature environments?
A7: Yes, it supports an operating temperature range of 0 °C to +60 °C.
Q8: How is the module mounted?
A8: It is designed for rack-mounted installations in Honeywell control systems.
Q9: What certifications does the module have?
A9: It is CE, UL, and CSA certified, ensuring compliance with global standards.
Q10: What is the weight of the module?
A10: The module weighs 0.67 kg, making it lightweight and easy to handle.
Related Models (Same Series/Similar)
| Model | Function | Dimensions (mm) | Weight |
|---|---|---|---|
| Honeywell 621-1100 | Analog Input Module | 266.7 × 177.8 × 38.1 | 0.68 kg |
| Honeywell 621-2100 | Digital Output Module | 266.7 × 177.8 × 38.1 | 0.66 kg |
| Honeywell 621-2200 | Analog Output Module | 266.7 × 177.8 × 38.1 | 0.67 kg |
| Honeywell 621-3400 | Digital Input Module | 266.7 × 177.8 × 38.1 | 0.65 kg |
| Honeywell 621-9930 | Communication Interface Module | 266.7 × 177.8 × 38.1 | 0.70 kg |
| Honeywell 621-0000 | Power Supply Module | 266.7 × 177.8 × 38.1 | 0.72 kg |
Popular Honeywell Models
| Model | Function | Dimensions (mm) | Weight |
|---|---|---|---|
| Honeywell CC-PDOB01 | Digital Output Module | 177 × 130 × 30 | 0.60 kg |
| Honeywell CC-PAOH01 | Analog Output Module | 177 × 130 × 30 | 0.58 kg |
| Honeywell CC-PDIL01 | Digital Input Module | 177 × 130 × 30 | 0.59 kg |
| Honeywell CC-TAIX01 | Analog Input Module | 177 × 130 × 30 | 0.62 kg |
| Honeywell 900SP1-0200 | ControlEdge HC900 Expansion Processor | 266.7 × 177.8 × 38.1 | 0.80 kg |
| Honeywell 900SP1-0300 | ControlEdge HC900 Expansion Processor | 266.7 × 177.8 × 38.1 | 0.82 kg |
