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Honeywell 621-2100R Output Module
Manufacturer: Honeywell
Product Number: 621-2100R
Category: 8-channel AC Digital Output Module (TDC 2000/3000, PlantScape, Experion)
Number of Channels: 8
Technology: Zero-cross voltage switching
System Compatibility: Honeywell distributed control systems
Product Description
The Honeywell 621-2100R Output Module is an 8-channel AC digital output module engineered for Honeywell’s TDC 2000/3000, PlantScape, and Experion distributed control systems. Designed with zero-cross voltage switching technology, this module ensures smooth operation and reduced electromagnetic interference when controlling inductive loads such as solenoids and relays. It is widely used in critical automation environments where durability, safety, and performance are essential.
Key Features
-
8 Discrete AC Output Channels–Supports control of up to 8 independent AC loads.
-
Zero-Voltage Switching–Minimizes electrical transients and extends the life of connected devices.
-
High Output Capacity–Handles up to 2 A per channel, 6 A per common, and 8 A total per module.
-
Overload and Surge Protection–Includes built-in fusing and supports up to 15 A surge for two cycles (non-repetitive).
-
Onboard Diagnostics–LED indicators provide real-time channel status.
-
Rugged Design–Industrial-grade construction with conformal coating ensures long-term reliability.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 145 x 100 x 40 mm |
| Weight | 0.68 kg |
Electrical Characteristics
| Item | Specification |
|---|---|
| Output Channels | 8 AC digital outputs |
| Output Voltage | 115 VAC nominal (range: 90–140 VAC) |
| Output Current (Max) | 2 A per channel, 6 A per common, 8 A per module |
| Surge Capability | Up to 15 A (non-repetitive, 2 cycles) |
| Output Type | Zero-cross solid-state switching |
| Off-State Leakage | ≤ 5 mA |
| Output Voltage Drop | ≤ 2 VDC @ 2 A load |
| Fusing | 1 A fast-blow per channel, 3 A slow-blow for module |
| Power Supply | Via backplane |
| Status Indicators | Individual LEDs for each output channel |
Environmental Specifications
| Item | Specification |
|---|---|
| Operating Temperature | –20°C to +55°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Protection | Conformal-coated PCB for harsh environments |
System Compatibility
| Item | Specification |
|---|---|
| Compatible Systems | Honeywell TDC 2000/3000, PlantScape, Experion |
| Communication Protocol | Local Control Network (LCN) |
| Redundancy Support | Supports redundant configurations |
Industry Applications
-
Oil & Gas–Controls solenoids and actuators in hazardous and remote processing zones.
-
Power Generation–Operates status indicators, trip relays, and switching devices.
-
Water & Wastewater Treatment–Drives pump starters, gate actuators, and motor contactors.
-
Pharmaceutical Manufacturing–Ensures reliable batch process control and safety actuation.
-
Food & Beverage–Integrates with packaging machines, conveyor systems, and safety controls.
The Honeywell 621-2100R Output Module delivers reliable zero-cross AC digital output switching with high load-handling capacity and robust protection features. With 8 channels, onboard diagnostics, and industrial-grade durability, this module is ideal for precise control of AC-powered field devices in demanding distributed control system environments. It ensures stable performance, extended service life of connected equipment, and easy integration into Honeywell automation platforms.
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Honeywell 621-2100R Output Module
Manufacturer: Honeywell
Product Number: 621-2100R
Category: 8-channel AC Digital Output Module (TDC 2000/3000, PlantScape, Experion)
Number of Channels: 8
Technology: Zero-cross voltage switching
System Compatibility: Honeywell distributed control systems
Product Description
The Honeywell 621-2100R Output Module is an 8-channel AC digital output module engineered for Honeywell’s TDC 2000/3000, PlantScape, and Experion distributed control systems. Designed with zero-cross voltage switching technology, this module ensures smooth operation and reduced electromagnetic interference when controlling inductive loads such as solenoids and relays. It is widely used in critical automation environments where durability, safety, and performance are essential.
Key Features
-
8 Discrete AC Output Channels–Supports control of up to 8 independent AC loads.
-
Zero-Voltage Switching–Minimizes electrical transients and extends the life of connected devices.
-
High Output Capacity–Handles up to 2 A per channel, 6 A per common, and 8 A total per module.
-
Overload and Surge Protection–Includes built-in fusing and supports up to 15 A surge for two cycles (non-repetitive).
-
Onboard Diagnostics–LED indicators provide real-time channel status.
-
Rugged Design–Industrial-grade construction with conformal coating ensures long-term reliability.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 145 x 100 x 40 mm |
| Weight | 0.68 kg |
Electrical Characteristics
| Item | Specification |
|---|---|
| Output Channels | 8 AC digital outputs |
| Output Voltage | 115 VAC nominal (range: 90–140 VAC) |
| Output Current (Max) | 2 A per channel, 6 A per common, 8 A per module |
| Surge Capability | Up to 15 A (non-repetitive, 2 cycles) |
| Output Type | Zero-cross solid-state switching |
| Off-State Leakage | ≤ 5 mA |
| Output Voltage Drop | ≤ 2 VDC @ 2 A load |
| Fusing | 1 A fast-blow per channel, 3 A slow-blow for module |
| Power Supply | Via backplane |
| Status Indicators | Individual LEDs for each output channel |
Environmental Specifications
| Item | Specification |
|---|---|
| Operating Temperature | –20°C to +55°C |
| Storage Temperature | –40°C to +85°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Protection | Conformal-coated PCB for harsh environments |
System Compatibility
| Item | Specification |
|---|---|
| Compatible Systems | Honeywell TDC 2000/3000, PlantScape, Experion |
| Communication Protocol | Local Control Network (LCN) |
| Redundancy Support | Supports redundant configurations |
Industry Applications
-
Oil & Gas–Controls solenoids and actuators in hazardous and remote processing zones.
-
Power Generation–Operates status indicators, trip relays, and switching devices.
-
Water & Wastewater Treatment–Drives pump starters, gate actuators, and motor contactors.
-
Pharmaceutical Manufacturing–Ensures reliable batch process control and safety actuation.
-
Food & Beverage–Integrates with packaging machines, conveyor systems, and safety controls.
The Honeywell 621-2100R Output Module delivers reliable zero-cross AC digital output switching with high load-handling capacity and robust protection features. With 8 channels, onboard diagnostics, and industrial-grade durability, this module is ideal for precise control of AC-powered field devices in demanding distributed control system environments. It ensures stable performance, extended service life of connected equipment, and easy integration into Honeywell automation platforms.
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