+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The ABB DO620 is a 32-channel digital output module designed for ABB’s Freelance 2000 distributed control system (DCS), offering high-reliability signal transmission for industrial automation applications. Engineered with 60 VDC output capability and 0.5 A per channel current rating, the DO620 is ideal for driving high-power devices such as solenoid valves, motor starters, and heavy-duty actuators in process control systems. Its quadruple galvanic isolation (4 isolated groups) ensures robust performance in high-interference environments, while short-circuit and overload protection safeguard against equipment damage from transient faults.
As part of the Freelance 2000 ecosystem, the DO620 integrates seamlessly with ABB’s TU840 termination units and BM820 bus modules, enabling scalable configurations for small-scale machinery to large industrial plants. The module’s compact DIN rail-mountable design (252 × 273 × 40 mm) maximizes space efficiency in control panels, while its -25°C to +70°C operating temperature range ensures robust performance in extreme industrial conditions. The HESG440355R3 revision enhances surge tolerance by 30%, extending module lifespan in high-interference environments like steel mills or chemical processing facilities 110.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DO620 |
| Manufacturer | ABB |
| Product Type | Digital Output Module for Freelance 2000 DCS |
| I/O Channels | 32-channel digital outputs |
| Signal Type | 60 VDC (current-source PNP) |
| Output Voltage Range | 18–60 VDC (logic “1”), ≤5 VDC (logic “0”) |
| Output Current | 0.5 A per channel |
| Response Time | ≤1 ms (filter disabled) |
| Protection Features | Short-circuit protection, overload protection |
| Power Supply | 24 VDC (via Freelance 2000 backplane) |
| Power Consumption | ≤4.8 W |
| Operating Temperature | -25°C to +70°C (with derating up to +85°C for short periods) |
| Certifications | CE, UL, CSA, RoHS exemption (specifically excluded under EU Directive 2011/65/EU) |
| Physical Dimensions | 252 mm × 273 mm × 40 mm (depth × height × width) |
| Weight | 1.2 kg |
| Mounting | DIN rail or panel-mountable |
Main Features and Advantages
High-Density Isolated Configuration: The 32-channel design reduces hardware complexity by consolidating multiple outputs into a single module, ideal for applications requiring centralized control of high-power actuators (e.g., conveyor belts, packaging machinery). Each channel supports 0.5 A continuous current, making it suitable for driving heavy-duty devices like motor contactors. The quadruple galvanic isolation (4 isolated groups) prevents cross-channel interference, critical for maintaining signal integrity in environments with high electromagnetic noise 110.
Advanced Fault Protection: Built-in short-circuit and overload protection circuits prevent damage from inductive loads or wiring errors, minimizing downtime in critical processes. The HESG440355R3 revision’s enhanced surge protection (8 kV ESD, 2.5 kV surge) ensures stable operation in environments with frequent voltage fluctuations, such as welding shops or high-voltage substations 130.
Modular System Compatibility: Works seamlessly with ABB’s TU840 termination units (screw/spring terminals) and BM820 bus modules, supporting scalable configurations from small panels to multi-rack systems. The module’s non-isolated design balances cost and performance for non-hazardous areas, while its DIN rail mounting simplifies installation in standard control cabinets 114.
Wide Environmental Tolerance: Certified for operation in extreme temperatures (-25°C to +70°C) and high humidity (5–95% RH), the DO620 is suitable for harsh industrial settings such as food processing plants, wastewater treatment facilities, and automotive assembly lines. Its robust construction withstands vibrations and dust, ensuring long-term reliability in demanding environments 125.
Application Areas
Process Industries:
- Chemical & Petrochemical: Controls reactor agitator motors and distillation column valves, ensuring precise process control in SIL2-rated systems when paired with ABB’s Safety Builder M.
- Pharmaceutical Manufacturing: Manages sterilizer chamber door actuators and cleanroom HVAC systems, supporting FDA/GMP compliance for batch processes.
Industrial Automation:
- Automotive Assembly: Drives robotic welding cell actuators and conveyor belt solenoids, integrating with ABB’s RobotStudio for synchronized motion control.
- Food & Beverage: Controls filling machine valves and packaging equipment, ensuring hygienic operation in IP65-rated environments.
Power Generation:
- Thermal Power Plants: Actuates turbine bypass valves and generator circuit breakers, integrating with ABB’s REL500 protective relays for grid stability.
- Renewable Energy: Manages solar inverter clusters and wind farm SCADA systems, providing reliable control for remote monitoring and predictive maintenance.
Related Products
- ABB TU840 (3BSE008429R1): 32-channel terminal unit for quick wiring and hot-swap replacement with DO620.
- ABB BM820 (3BSE018159R1): Bus module enabling connection to AC 800M controllers, supports up to 16 modules per rack.
- ABB DO840 (3BSE020836R1): 32-channel digital output module for 24 VDC, featuring isolated design for hazardous areas.
- ABB AC 800M PM866 (3BSE018270R1): Redundant CPU for large Freelance 2000 systems, compatible with DO620 for high-speed control.
- ABB Control Builder M Software: Configures DO620 output parameters, diagnostics, and communication settings (Version 3.2 or higher).
Installation & Maintenance
Installation:
- Mount the DO620 on a DIN rail with ≥50 mm air clearance for cooling.
- Connect field wires to the TU840 terminal block, following PNP wiring diagrams (common anode configuration).
- Link the module to the Freelance 2000 bus via a bus cable, and configure output signals using Control Builder M (set response time based on load requirements, e.g., 2 ms for high-speed solenoids).
Maintenance:
- Use ABB’s System 800xA Condition Monitoring to track module health metrics (e.g., channel error rates, power consumption trends).
- In dusty environments, clean the module with compressed air (≤0.6 bar) every quarter to prevent dust accumulation.
- For component replacement, ensure the TU840 is disconnected from field wiring before removing the DO620 to avoid transient currents.
Product Guarantee
The DO620 is covered by ABB’s standard 1-year warranty against manufacturing defects. It complies with global safety and environmental standards (CE, UL, CSA), making it suitable for diverse industrial applications. ABB’s Service Portal offers firmware updates and technical bulletins, while regional service centers provide 24/7 support for urgent issues. For large-scale projects, ABB offers Commissioning Services to ensure optimal configuration and integration with existing systems.
With its high-channel density, robust protection features, and wide environmental tolerance, the DO620 is engineered for industrial applications requiring reliable, large-scale digital signal control in non-hazardous environments.
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Contact info
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