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DSDP170K02 3BSE019925R1 Product Description:
ABB DSDP170K02 3BSE019925R1 is a high-performance digital input/output module designed specifically for ABB’s AC 800M control system (Freelance DCS platform). As a key component in the distributed automation architecture, it provides a balanced combination of 16 digital input channels and 16 digital output channels, each of which is designed with isolation to prevent cross interference. This module serves as a critical interface between field devices and control systems, capable of real-time monitoring of discrete events (such as limit switch status) and driving binary devices (such as relays and valves).
DSDP170K02 3BSE019925R1
Its compact design (100mm width) and DIN rail installation simplify the space constrained installation process, while the hot swappable function allows for maintenance without interrupting system operation. ABB DSDP170K02 3BSE019925R1is suitable for applications that require high channel count for a single module, such as machine control panels or small to medium-sized process systems. Its value proposition lies in reducing cabinet footprint and wiring complexity, while providing industrial grade reliability – a key advantage valued by industries that focus on cost optimization and operational efficiency.
DSDP170K02 3BSE019925R1
Main features and advantages:
Dual functional flexibility: The module is equipped with 16 digital inputs (24 V DC, 4 mA threshold) and 16 digital outputs (24 V DC, 2 A per channel), supporting mixed signal applications without the need for separate DI and DO modules. Each input channel includes noise filtering (10-20 ms debounce) function to eliminate false triggering caused by transient signals, while the output channel has short-circuit and overload protection functions, extending the service life of the module and connected devices.
Strong isolation and durability: The electrical isolation between the channel and the system bus (2.5 kVrms) prevents surge surges and is suitable for harsh environments with high electromagnetic interference (EMI), such as welding workshops or substations. The metal casing and wide temperature range (-40 ° C to+70 ° C) of the module ensure reliable operation under extreme conditions, while IP20 certification prevents dust and accidental contact.
Intelligent diagnosis: Built in LED indicator lights provide real-time status updates for each channel (such as input signal presence, output activation, fault detection), facilitating quick visual troubleshooting. The module is integrated with ABB’s Freelance software, which can record channel level faults such as open circuits or voltage deviations, allowing engineers to prioritize maintenance tasks. For example, in a food processing plant, the system may alert the operator to control the output failure of the sterilization room door lock, thereby avoiding unplanned shutdowns.
Seamless system integration: The module is natively compatible with ABB’s Freelance Engineering Tool, allowing for intuitive configuration of input debounce time, output response delay, and fault handling logic. The module supports redundant communication through PROFINET or Ethernet to ensure high availability of critical systems. Its compatibility with third-party protocols such as MODBUS RTU through gateway modules makes it suitable for hybrid automation settings, reducing reliance on proprietary ecosystems.
DSDP170K02 3BSE019925R1
Technical specifications:
Model ABB DSDP170K02 3BSE019925R1
Brand ABB
Type Digital Input/Output Module (DI/DO)
System compatibility AC 800M, Freelance DCS
Number of channels: 16 DI+16 DO (isolated)
Input signal type 24 V DC, 4-20 mA (fill current/pull current)
Output signal type 24 V DC, 2 A (maximum per channel)
Isolation of 2.5 kVrms (channel to system, channel to channel)
Switching speed ≤ 10 ms (output)
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 0.9 kilograms
Environmental grade IP20, IEC 61000-6-2 (electromagnetic compatibility compliance)
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DSDP170K02 3BSE019925R1
Application areas:
In industrial automation environments that require high-density digital signal management, the ABB DSDP170K02 3BSE019925R1 digital input/output (DI/DO) module is the core component for discrete control and monitoring. This module is designed for harsh environments and is widely used in manufacturing production lines, automotive assembly plants, and logistics warehouses to manage digital signal combinations from sensors, actuators, and machine interfaces. For example, in a bottling plant, ABB DSDP170K02 3BSE019925R1 can simultaneously monitor the conveyor belt speed sensor (digital input) and control the pneumatic gripper (digital output) to ensure accurate bottle positioning. In steel plants, it can be connected to emergency stop buttons and motor starters to achieve rapid shutdown in case of safety incidents.
Its dual functionality is particularly prominent in applications that require close coordination between input detection and output response, such as robot units or packaging machinery. The engineer appreciates its ability to handle 32 mixed channels (16 DI+16 DO) in a compact unit, reducing hardware complexity and wiring costs. For example, in a pharmaceutical tablet press, this module can track the mold alignment sensor (DI) and trigger the lubrication pump (DO) in synchronous order to ensure compliance with Good Manufacturing Practice (GMP). By integrating powerful signal isolation and diagnostic functions, ABB DSDP170K02 3BSE019925R1 solves the challenge of managing high channel density while maintaining signal integrity in noisy industrial environments.
Related product introduction:
DSDI135 3BSE018163R1- Dedicated digital input module with higher noise resistance, suitable for input channel expansion in sensor intensive applications.
DSDO115K12 3BSE019933R1- Dedicated digital output module with enhanced current capacity (2 A/channel), suitable for high-power actuators.
DSAI140 3BSE018169R1- Analog Input Module, used to integrate continuous signals (such as temperature and pressure) with discrete I/O.
DSAO120AK01 3BSE020419R1- Analog output module for precise control, complementary to DSDP170K02 in hybrid control systems.
PM861AK01 3BSE066591R1- AC 800M controller module, processes DI data and sends drive commands to the DO channel.
TA521 3BSE008609R1- Digital signal terminal adapter, simplifies wiring and provides mechanical support for modules.
CM578 3BSE018288R1- PROFINET communication module enables high-speed data exchange between DSDP170K02 and HMI or SCADA systems.
Installation and maintenance:
Precautions before installation:
Separate the input/output power lines from the high-voltage cables to reduce electromagnetic interference. The input signal uses shielded twisted pair cables, and the output load uses multi strand copper wires.
Ensure that the control cabinet has sufficient cooling capacity to maintain a temperature below 60 ° C, especially when multiple modules are installed side by side.
For inductive output loads such as relays and solenoid valves, surge suppression devices (such as MOVs or diodes) should be installed at the load to prevent voltage spikes during switching.
Maintenance suggestion:
Monthly visual inspection: check for loose connections or signs of arcing in the terminal block, especially in high switching frequency applications.
Quarterly system diagnosis: Use ABB’s Freelance software to run channel tests to verify the response of all DI channels to stimuli and the absence of voltage drop in the switching of DO channels.
Update firmware annually: Deploy the latest firmware to access improved diagnostic or protocol enhancements, first testing the updates in a simulated environment.
In safety critical systems, functional testing is conducted every six months to verify emergency stop circuits and interlocking devices, and the results are recorded to comply with ISO 13849 or IEC 61508 standards.
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