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Description:
ABB DSDO115K12 3BSE019933R1 is a highly reliable digital output module designed specifically for ABB’s AC 800M control system, and is a core component of the Freelance DCS platform.
As a key component in automation architecture, it bridges the gap between digital control logic and discrete field devices, transmitting binary output signals (on/off) to actuators, contactors, or alarms. This module has 16 isolated output channels, each of which can switch up to 2 A of 24 V DC load, suitable for simple on/off control and complex interlocking systems.
DSDO115K12 3BSE019933R1
For system integrators, their hot swappable design and modular compatibility with other AC 800M components simplify the installation and maintenance process, eliminating downtime during component replacement. Whether used for compact single loop setups or large distributed networks, the ABB DSDO115K12 3BSE019933R1 ensures fast signal response and fail safe operation, making it suitable for a wide range of applications from basic machine control to safety critical processes. Its value proposition lies in combining high channel density with built-in protection functions such as overload and short circuit detection, reducing hardware wear and improving system availability – which is crucial for industries where operational continuity directly affects productivity.
DSDO115K12 3BSE019933R1
Main features and advantages:
Robust signal processing: Each channel has an electrical isolation function of 2.5 kVrms, which can prevent voltage surges and the influence of grounding circuits, ensuring stable operation in noisy industrial environments. This module supports source and drain output configurations, with high flexibility to meet the needs of different field devices. Its high switching speed (≤ 10 ms) can quickly respond to critical events, such as emergency shutdowns in chemical plants.
Hardware Durability: This module features a reinforced metal casing and DIN rail mounting design, capable of withstanding vibrations (IEC 60068-2-6) and extreme temperatures (-40 ° C to+70 ° C), making it suitable for harsh environments such as mining or offshore platforms. The compact external dimensions (width of 100mm) optimize the space utilization of the control panel, while the color coded terminal blocks simplify the wiring process and reduce installation errors.
Intelligent diagnosis: Real time channel status monitoring includes overload, short circuit, and open circuit fault indications, which can be accessed through LED indicator lights and Freelance DCS software. Engineers can configure alarms to notify operators before faults propagate, enabling proactive maintenance. For example, in a sewage treatment pump station, the module may mark the faulty pump contactor, allowing technicians to replace it before the system capacity is affected.
System integration: Seamless compatibility with ABB’s Freelance Engineering Tool, supporting drag and drop configuration, reducing debugging time by up to 30%. This module supports redundant communication paths and power supplies, improving the reliability of fault-tolerant systems. It also integrates with PROFINET and MODBUS protocols, enabling interoperability with third-party PLC or SCADA systems in hybrid automation settings.
DSDO115K12 3BSE019933R1
Technical specifications:
Model DSDO115K12 3BSE019933R1
Brand ABB
Type Digital Output Module (DO)
System compatibility AC 800M, Freelance DCS
Number of channels: 16 isolated digital outputs
Signal type 24 V DC, 2 A (per channel)
Isolation of 2.5 kVrms electrical isolation
Switching speed ≤ 10 ms
Power supply 24 V DC (dual redundant input)
Working temperature -40 ° C to+70 ° C
Installation method DIN rail (TS 35/7.5 or TS 35/15)
Dimensions: 100mm (width) x 200mm (height) x 150mm (depth)
Weight 0.7 kg
Certification CE, UL, IEC 61131-2, ATEX (optional for hazardous areas)
Environmental grade IP20, IEC 61000-6-2 (electromagnetic compatibility compliance)
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DSDO115K12 3BSE019933R1
Application areas:
In industrial automation ecosystems that require precise control of discrete devices, the ABB DSDO115K12 3BSE019933R1 digital output module plays a critical role in converting digital instructions into physical actions. This module is designed for harsh industrial environments and is widely used in manufacturing plants, water treatment facilities, and power distribution systems to manage discrete operations such as motor starters, solenoid valves, and indicator lights. For example, on food and beverage production lines, the ABB DSDO115K12 3BSE019933R1 module may trigger a conveyor belt stop during quality inspection or initiate a disinfection cycle in packaging machinery. In oil and gas pipelines, it can remotely close emergency valves based on fault signals from the distributed control system (DCS).
This module performs well in applications that require high reliability and fast switching, such as batch processing systems or Safety Instrumented Systems (SIS). Engineers value its ability to handle multiple independent outputs and have diagnostic capabilities, which reduces the risk of cascading failures. For example, in pharmaceutical facilities, this module may control the sealing and ventilation barriers of sterile rooms to ensure compliance with strict regulatory standards. By combining robust hardware with advanced fault detection capabilities, theABB DSDO115K12 3BSE019933R1 addresses the core challenge of maintaining deterministic control in environments where accuracy and safety are critical.
Related product introduction:
DSDI135 3BSE018163R1- A matched 16 channel digital input module suitable for collecting discrete signals (such as limit switches, buttons) to form a closed-loop control system.
DSAI140 3BSE018169R1- Analog input module, used to integrate continuous sensor data, complementing digital output modules in hybrid control applications.
DSAO120AK01 3BSE020419R1- Analog output module, used for precise control of valves or variable frequency drives (VSDs) and other equipment, working in conjunction with DSDO115K12 in complex systems.
PM861AK01 3BSE066591R1- AC 800M controller module, responsible for processing input data and sending drive instructions to DSDO115K12.
TA521 3BSE008609R1- Digital Signal Terminal Adapter, simplifies on-site wiring and provides mechanical support for modules.
PS510 3BSE018120R1- Redundant power module ensures stable voltage supply to DSDO115K12, preventing output failures caused by power fluctuations.
CM578 3BSE018288R1- PROFINET communication module, which enables high-speed data exchange between the module and advanced systems or human-machine interfaces (HMI).
Installation and maintenance:
Precautions before installation:
Ensure that the control cabinet has sufficient ventilation to maintain the temperature within the operating range of the modules, especially when deploying multiple modules in the rack.
Use stranded copper wire (14-22 AWG) with a sleeve for terminal connection to prevent loose contact, and mark the wires according to the system schematic for troubleshooting.
For inductive loads such as motors and solenoid valves, surge suppression devices (such as freewheeling diodes) should be installed on the load side to protect the module from voltage spikes generated during the switching process.
Maintenance suggestion:
Inspect every six months to check for loose terminals or burnt contacts, especially in high-frequency switching applications such as packaging machinery.
Use ABB’s Freelance software to perform diagnostic tests on each channel, verify whether the output responds correctly to commands, and ensure that the fault indicator light remains off.
Schedule firmware updates annually to utilize improved diagnostic features or compatibility with new system versions, and always test the updates in a simulated environment before deployment.
In safety critical applications, regular functional safety testing (such as validation testing) is conducted to ensure that modules meet the required SIL level, and the results are recorded for compliance audits.
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