ABB DC551-CS31 1SAP220500R0001
ABB DC551-CS31 1SAP220500R0001
ABB DC551-CS31 1SAP220500R0001
ABB DC551-CS31 1SAP220500R0001
ABB DC551-CS31 1SAP220500R0001
ABB DC551-CS31 1SAP220500R0001
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DC551-CS31 1SAP220500R0001

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ABB DC551-CS31 1SAP220500R0001 is a CS31 communication interface module that functions as a CS31 slave while providing integrated digital I/O expansion for industrial automation systems.
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Technical specifications for DC551-CS31 1SAP220500R0001

  • Manufacturer:
    ABB
  • Part Number:
    DC551-CS31 1SAP220500R0001
  • Product Family:
    ABB AC500
  • Product Type:
    CS31 Communication Interface Module
  • Stock:
    4
  • Number of channels per module:
    8
  • Distribution of the channels into groups:
    1 group of 8 channels
  • Terminals of the channels I0 ... I7:
    2.0 ... 2.7
  • Terminals of the channels C8 ... C23:
    3.0 ... 4.7
  • Reference potential for all inputs Terminals:
    1.9 ... 4.9 (negative pole of the process supply voltage, signal name ZP)
  • Galvanic isolation:
    From the CS31 bus
  • Indication of the input signals:
    1 yellow LED per channel, the LED is ON when the input signal is high (signal 1)
  • Input type acc. to EN 61131-2:
    Type 1
  • Input delay (0->1 or 1-> 0):
    Typ. 8 ms, configurable 0.1 ms ... 32 ms
  • Input signal voltage:
    24 V DC
  • Signal 0:
    -3 V ... +5 V
  • Undefined signal:
    > +5 V ... < +15 V
  • Signal 1:
    +15 V ... +30 V
  • Ripple with signal 0:
    Within -3 V ... +5 V
  • Ripple with signal 1:
    Within +15 V ... +30 V
  • Number of Digital Configurable I/Os:
    16
  • Input Voltage Type:
    DC
  • Input Current:
    5 mA
  • Output Voltage (Uout):
    24 V DC
  • Output Current:
    0.5 A
  • Output Voltage Maximum:
    20.4 … 28.8 V
  • Degree of Protection:
    IP20
  • Operation Temperature:
    0 ... +60 °C
  • Storage Temperature:
    -40 ... +70 °C
  • Weight:
    0.12 kg
  • Estimated shipping dimensions:
    6.8x6.2x7.8cm
  • Tariff Code:
    2932999099
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Environmental Rating Installation Guide Application Scenarios

Features:

  • Provides 8 dedicated digital inputs together with 16 configurable digital input/output channels to accommodate different control requirements.
  • Supports connection of up to seven additional I/O modules for scalable CS31 automation systems.
  • Features galvanic isolation from the CS31 bus, configurable input delay from 0.1 ms to 32 ms, and LED indication for every digital input channel.
ABB DC551-CS31 1SAP220500R0001 serves as an interface between the CS31 communication network and distributed field signals in S500 automation systems. By combining communication capability with integrated digital I/O, the module reduces system complexity while supporting efficient signal acquisition and control. Its expandability also makes it suitable for installations that may require future capacity increases.

The module accepts 24 V DC digital input signals according to EN 61131-2 Type 1 and provides transistor outputs rated at 24 V DC with an output current of 0.5 A. Adjustable input delay allows optimization for fast or stable signal processing, while dedicated LED indicators simplify diagnostics during operation and maintenance. These features contribute to dependable performance in industrial control applications.

ABB DC551-CS31 1SAP220500R0001 is intended for installation in protected control cabinets with an IP20 enclosure rating. Operating from a 20.4 to 28.8 V DC supply, it performs reliably within an ambient temperature range of 0°C to +60°C and can be stored from -40°C to +70°C. The combination of CS31 communication, configurable digital I/O, and modular expansion makes it well suited for manufacturing, process automation, and machine control systems.

The DC551-CS31 1SAP220500R0001 ABB CS31 Communication Interface Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB DC551-CS31 1SAP220500R0001 CS31 Communication Interface Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
ABB DC551-CS31 1SAP220500R0001 CS31 Communication Interface Module Specs

General

  • Manufacturer ABB
  • Model DC551-CS31 1SAP220500R0001
  • Condition New Original ready stock
  • Product Family DC551-CS31-XC 1SAP420500R0001
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Protection Rating: IP20 standard enclosure, protects against solid foreign objects, not waterproof. Ensure the environment is dry.
  • Operating Temperature: Industrial-grade wide temperature range of 0 to +60 °C. Ensure good ventilation within the rack.
  • Storage Temperature: Extreme climate storage range of -40 to +70 °C. Avoid direct sunlight.
  • Humidity Requirements: Maximum 95% relative humidity with no condensation on the surface. Please take precautions against moisture.
  • Corrosion Resistance: Meets G3 harsh environment coating standards (optional). Please select according to the site environment.
  • DIN Rail Mounting: Supports vertical or horizontal mounting on 35mm standard DIN rails. Ensure the clips are securely locked.
  • Terminal Blocks: Uses removable screw terminal blocks for easy and quick maintenance. Please use compliant cables.
  • Grounding Protection: Reliable grounding via DIN rail or dedicated grounding terminal. Ensure grounding resistance meets standards.
  • Spacing: Leave at least 10mm of clearance above and below the module for heat dissipation. Do not obstruct airflow.
  • Encoding Lock: Features a mechanical coding system to prevent incorrect terminal insertion and damage. Align the physical positions during insertion and removal.
  • Distributed I/O: Suitable for remote expansion architectures in medium to large-scale automation systems. Configure communication addresses according to network topology.
  • Metallurgical Production: Meets the needs of heavy industrial sites requiring multi-channel, high-density digital control. Please be aware of strong electromagnetic interference.
  • Water Treatment Systems: Used for data acquisition and long-distance communication in distributed pumping stations. Please ensure proper electrical isolation for long-distance signals.
  • Mechanical Manufacturing: For centralized logic control using the AC500 series PLC. Please refer to the official programming manual for configuration.
Description
ABB DC551-CS31 1SAP220500R0001 combines CS31 communication and distributed digital I/O into a single interface module for S500 automation systems. Operating as a CS31 slave, it provides reliable communication with the control system while supporting local signal acquisition and output control. The module includes 8 dedicated 24 V DC digital inputs together with 16 configurable digital input/output channels, making it suitable for a wide range of automation tasks.

The digital input section complies with EN 61131-2 Type 1 and operates with a 24 V DC input voltage. Each input channel features an individual yellow LED that lights when the input signal is high, allowing quick status verification during commissioning and maintenance. Input delay is configurable from 0.1 ms to 32 ms, with a typical response time of 8 ms, enabling adaptation to different process requirements.

For output applications, ABB DC551-CS31 1SAP220500R0001 uses transistor outputs rated at 24 V DC with an output current of 0.5 A per channel. The supply voltage range is 20.4 to 28.8 V DC, matching common industrial power systems. Galvanic isolation from the CS31 bus enhances communication reliability, while the IP20 protection rating makes the module suitable for installation inside industrial control cabinets.

ABB DC551-CS31 1SAP220500R0001 is expandable by connecting up to seven additional I/O modules, allowing the control system to grow as application requirements increase. With an operating temperature range of 0°C to +60°C and a storage temperature range of -40°C to +70°C, the module supports dependable operation in demanding industrial environments while providing flexible digital signal management through the CS31 network.
Alternative Names
DC551-CS31 1SAP22O5OOROOO1 DC55I-CS3I ISAP220500R000I DC551CS31 1SAP220500R0001 DC551-CS31 DC551-CS31-XC 1SAP420500R0001 DC532 1SAP240100R0001 DC523 1SAP240500R0001 DI524 1SAP240000R0001
Technical notes
The ABB DC551-CS31 (1SAP220500R0001) is a compact, IP20-rated CS31 bus node designed for efficient DIN-rail mounting within standard control cabinets. Capable of flawless operation in ambient temperatures from 0 to +60 °C, it integrates status diagnosis via 1 yellow LED per channel to simplify on-site troubleshooting.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can ABB DC551-CS31 1SAP220500R0001 be expanded with additional modules?
Yes. ABB DC551-CS31 1SAP220500R0001 supports expansion with up to seven additional I/O modules, allowing larger distributed automation systems to be built.
Why does ABB DC551-CS31 1SAP220500R0001 include configurable I/O channels?
The 16 configurable channels allow users to assign digital input or digital output functions according to application requirements, increasing installation flexibility.
How does ABB DC551-CS31 1SAP220500R0001 indicate input status?
Each digital input channel has an individual yellow LED. The LED turns on whenever the corresponding input signal reaches the high (signal 1) state.
Which supply voltage does ABB DC551-CS31 1SAP220500R0001 require?
The module operates from a 20.4 to 28.8 V DC supply and supports 24 V DC digital input and output operation.
What functions does ABB DC551-CS31 1SAP220500R0001 provide?
ABB DC551-CS31 1SAP220500R0001 operates as a CS31 communication interface module with CS31 slave functionality, offering 8 digital inputs and 16 configurable digital input/output channels for industrial control applications.