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Product Description
The Honeywell 621-2201 Isolated Output Module is designed for use in process control systems to deliver safe and reliable digital output signals to field devices. It features galvanic isolation to protect system integrity and ensures accurate signal transmission under harsh industrial conditions.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | 621-2201 |
| Type | Isolated Digital Output Module |
| Output Channels | 8 |
| Output Type | Digital (Isolated) |
| Output Voltage | 24 VDC (typical) |
| Isolation | Optical isolation between field and logic |
| Power Supply | 5 VDC / 24 VDC |
| Status Indicators | LED indicators per channel |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Dimensions (W x H x D) | 145 x 100 x 40 mm |
| Weight | 0.63 kg |
| Mounting | DIN rail or rack mount |
Applications
The 621-2201 Isolated Output Module is widely used in:
-
Distributed control systems (DCS)
-
Safety instrumented systems
-
SCADA applications
-
Chemical and petrochemical plants
-
Water and wastewater treatment systems
Product Advantages
-
Electrical Isolation: Prevents ground loops and enhances signal integrity
-
Robust Design: Built to withstand industrial environments
-
Modular Integration: Easily integrates into Honeywell’s control platforms
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LED Indicators: Provides quick channel diagnostics
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Fail-Safe Operation: Ensures reliability during system faults
Frequently Asked Questions (FAQ)
Q1: What is the purpose of the Honeywell 621-2201 module?
A1: It provides isolated digital output signals to control field devices securely.
Q2: How many output channels does it support?
A2: It supports 8 isolated digital output channels.
Q3: Is the module hot-swappable?
A3: No, it is not hot-swappable. Power down the system before replacement.
Q4: What type of devices can be controlled with this module?
A4: It can control relays, solenoids, actuators, and other digital devices.
Q5: Does it include LED status indicators?
A5: Yes, each output channel has an individual LED status indicator.
Q6: Is the output signal protected against short circuits?
A6: Yes, the module is designed with output protection features.
Q7: What is the output voltage rating?
A7: The typical output voltage is 24 VDC.
Q8: Can this module be used in safety applications?
A8: Yes, it is suitable for use in safety-related systems.
Q9: What mounting options are available?
A9: It supports both DIN rail and rack mounting.
Q10: Is the module compatible with other Honeywell 620 series components?
A10: Yes, it is fully compatible with the Honeywell 620 series platform.
Related or Same Series Models
| Model | Description | Channels | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 621-1100 | Digital Input Module | 16 | 145 x 100 x 40 | 0.62 |
| 621-2100 | Digital Output Module | 16 | 145 x 100 x 40 | 0.63 |
| 621-2300 | Analog Output Module | 8 | 145 x 100 x 40 | 0.65 |
| 621-1310 | Isolated Analog Input Module | 8 | 145 x 100 x 40 | 0.64 |
| 621-9932 | Relay Output Module | 8 | 145 x 100 x 40 | 0.66 |
| 621-6550 | Power Supply Module | – | 145 x 100 x 40 | 0.70 |
Popular Honeywell Models
| Model | Description | System | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 8C-PDILA1 | Digital Input Module | Series 8 | 145 x 100 x 40 | 0.60 |
| 8C-PAOHA1 | Analog Output with HART | Series 8 | 145 x 100 x 40 | 0.65 |
| 8C-PCNT02 | C300 Controller | ControlEdge | 190 x 150 x 40 | 1.10 |
| 51454469-175 | Analog Output Module | Experion PKS | 145 x 100 x 40 | 0.63 |
| FC-IO-0001 | I/O Expansion Module | HC900 | 145 x 100 x 40 | 0.62 |
| 900SP1-0300 | Expansion Processor | HC900 | 160 x 120 x 50 | 0.75 |
