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Honeywell 621-2175 UCN Ouput Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings

Product Description
The Honeywell 621-2175 UCN Output Module is a key component used within the Honeywell TDC 3000 system. It provides reliable output signal interfacing between the Universal Control Network (UCN) and various process field devices. Designed for robust industrial environments, this module ensures accurate control signal transmission from the system to final control elements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 621-2175 |
| Type | UCN Output Module |
| Network | Universal Control Network (UCN) |
| Channels | Multiple (Digital/Analog output, depending on configuration) |
| Operating Voltage | 24 VDC (typical) |
| Mounting | DIN Rail or Panel Mount |
| Temperature Range | 0 to 60 °C |
| Dimensions | 145 x 100 x 40 mm |
| Weight | 0.56 kg |
Applications
-
Distributed Control Systems (DCS)
-
Oil & Gas facilities
-
Power generation plants
-
Chemical processing units
-
Water and wastewater management systems
Product Advantages
-
Seamless integration with Honeywell TDC 3000 systems
-
High signal integrity and output accuracy
-
Compact design with reliable industrial performance
-
Simple installation and replacement process
-
Robust operation in demanding environments
Frequently Asked Questions (FAQ)
Q1: What system is the 621-2175 compatible with?
A1: It is designed for use in the Honeywell TDC 3000 distributed control system.
Q2: Is this an analog or digital output module?
A2: It can support both, depending on the specific configuration within the UCN system.
Q3: Can it be hot-swapped?
A3: No, power must be turned off before replacing the module to ensure safety.
Q4: What are the typical applications for this module?
A4: It is commonly used in power plants, refineries, chemical processing, and other DCS applications.
Q5: What are the installation requirements?
A5: It requires DIN rail or panel mounting and connection to UCN with proper grounding.
Q6: What is the operating temperature range?
A6: The module operates reliably between 0°C and 60°C.
Q7: How is it connected to field devices?
A7: Output channels interface with actuators, valves, and control devices via terminal blocks.
Q8: Is it part of a redundant configuration?
A8: It can be used in redundant control architectures within the TDC 3000 system.
Q9: What maintenance does it require?
A9: Periodic inspection of connections and environment cleanliness is recommended.
Q10: How heavy is the module?
A10: The weight is 0.56 kg.
Related or Same-Series Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 621-9935 | UCN Interface Module | 145 x 100 x 40 | 0.58 kg |
| 621-9932 | Digital Input Module | 145 x 100 x 40 | 0.55 kg |
| 621-2150 | Digital Output Module | 145 x 100 x 40 | 0.56 kg |
| 621-9940 | Analog Input Module | 145 x 100 x 40 | 0.57 kg |
| 621-9941 | Analog Output Module | 145 x 100 x 40 | 0.57 kg |
| 621-6575 | I/O Multiplexer Module | 145 x 100 x 40 | 0.56 kg |
Popular Honeywell Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 8C-PAOHA1 | Analog Output HART Module | 132 x 102 x 40 | 0.50 kg |
| 8C-PDILA1 | Digital Input Module | 132 x 102 x 40 | 0.52 kg |
| 8C-PCNT02 | C300 Controller Module | 150 x 130 x 45 | 0.70 kg |
| FC-IO-0001 | I/O Extended Module | 145 x 100 x 40 | 0.56 kg |
| 900SP1-0300 | HC900 Expansion Processor | 150 x 110 x 45 | 0.68 kg |
| 8C-TAIX51 | Analog Input IOTA | 140 x 100 x 40 | 0.55 kg |
Frequently Asked Questions (FAQ)
Q1: What system is the 621-2175 compatible with?
A1: It is designed for use in the Honeywell TDC 3000 distributed control system.
Q2: Is this an analog or digital output module?
A2: It can support both, depending on the specific configuration within the UCN system.
Q3: Can it be hot-swapped?
A3: No, power must be turned off before replacing the module to ensure safety.
Q4: What are the typical applications for this module?
A4: It is commonly used in power plants, refineries, chemical processing, and other DCS applications.
Q5: What are the installation requirements?
A5: It requires DIN rail or panel mounting and connection to UCN with proper grounding.
Q6: What is the operating temperature range?
A6: The module operates reliably between 0°C and 60°C.
Q7: How is it connected to field devices?
A7: Output channels interface with actuators, valves, and control devices via terminal blocks.
Q8: Is it part of a redundant configuration?
A8: It can be used in redundant control architectures within the TDC 3000 system.
Q9: What maintenance does it require?
A9: Periodic inspection of connections and environment cleanliness is recommended.
Q10: How heavy is the module?
A10: The weight is 0.56 kg.
Related or Same-Series Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 621-9935 | UCN Interface Module | 145 x 100 x 40 | 0.58 kg |
| 621-9932 | Digital Input Module | 145 x 100 x 40 | 0.55 kg |
| 621-2150 | Digital Output Module | 145 x 100 x 40 | 0.56 kg |
| 621-9940 | Analog Input Module | 145 x 100 x 40 | 0.57 kg |
| 621-9941 | Analog Output Module | 145 x 100 x 40 | 0.57 kg |
| 621-6575 | I/O Multiplexer Module | 145 x 100 x 40 | 0.56 kg |
Popular Honeywell Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 8C-PAOHA1 | Analog Output HART Module | 132 x 102 x 40 | 0.50 kg |
| 8C-PDILA1 | Digital Input Module | 132 x 102 x 40 | 0.52 kg |
| 8C-PCNT02 | C300 Controller Module | 150 x 130 x 45 | 0.70 kg |
| FC-IO-0001 | I/O Extended Module | 145 x 100 x 40 | 0.56 kg |
| 900SP1-0300 | HC900 Expansion Processor | 150 x 110 x 45 | 0.68 kg |
| 8C-TAIX51 | Analog Input IOTA | 140 x 100 x 40 | 0.55 kg |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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