ABB CI521-MODTCP 1SAP222100R0001 S500 Modbus TCP Interface Module

Product Overview

The ABB CI521-MODTCP (1SAP222100R0001) serves as a high-versatility interface module within the S500 distributed automation ecosystem. Operating as a Modbus TCP server, this module bridges the gap between Ethernet-based networks and local field signals. It integrates a comprehensive hybrid I/O set—including 4 analog inputs (Voltage, Current, RTD), 2 analog outputs, 8 digital inputs, and 8 digital outputs—into a single compact footprint. This unit enables the expansion of up to 10 additional I/O modules, making it a powerful node for decentralized control architectures. We provide this component as 100% Brand New and Original, ensuring peak performance and manufacturer-certified reliability for your automation projects.

Technical Specifications

The CI521-MODTCP features an extensive array of signal processing capabilities:

• Communication Protocol: Modbus TCP Server

• Analog Inputs: 4 Channels (Supports Voltage, Current, and RTD)

• Analog Outputs: 2 Channels (Supports Voltage and Current)

• Digital Inputs: 8 Channels (24V DC, 5mA)

• Digital Outputs: 8 Channels (Transistor, 24V DC, 0.5A)

• Input Delay Time: Adjustable from 0.1 ms to 32 ms

• Supply Voltage: 24V DC (Range: 20.4 to 28.8 V DC)

• Expansion Capacity: Supports up to 10 additional I/O modules

• Protection Rating: IP20

• Net Dimensions: 67.5 mm (W) x 76 mm (H) x 62 mm (D)

• Net Weight: 0.136 kg

Engineering Advantages

• All-in-One Signal Handling: The CI521-MODTCP combines analog and digital processing on one module. This eliminates the cost and complexity of purchasing separate couplers and discrete I/O cards, drastically reducing the required cabinet space.

• High-Speed Response Times: Configurable input filters allow for delay times as low as 0.1 ms. This responsiveness captures high-frequency pulses and rapid process changes, ensuring the master controller receives real-time field data without lag.

• Scalable Distributed Architecture: The local bus interface allows the connection of up to 10 expansion I/O modules. This scalability transforms the CI521-MODTCP into a central hub for complex machine subsections, localized to the point of use.

• Versatile Analog Interfacing: The module supports Voltage (U), Current (I), and Resistance Temperature Detectors (RTD) on the same analog block. This flexibility allows engineers to connect pressure transmitters, flow meters, and PT100 sensors to a single device without external signal converters.

• Industrial-Grade Output Protection: Transistor outputs provide 0.5A per channel and feature built-in short-circuit protection. This safeguards the internal circuitry from field wiring faults, preventing cascading hardware failures in demanding industrial environments.

FAQs

• Does the CI521-MODTCP require a specific Terminal Base? Yes. You must install the CI521-MODTCP on a compatible S500 Terminal Base (such as the TU5xx series). The base provides the physical mounting to the DIN rail and the terminals for field wiring.

• How many Modbus clients can access the CI521-MODTCP simultaneously? As a Modbus TCP server, the module typically handles multiple socket connections from master controllers or HMI panels. However, we recommend consulting the specific AC500 communication guidelines to optimize network traffic and scan cycles.

• Can I mix different types of expansion modules with the CI521-MODTCP? Yes. You can add various S500 digital, analog, or specialty modules to the local bus, provided the total count does not exceed 10 modules and the power consumption remains within the limits of the terminal base supply.

• What is the maximum current capacity of the transistor outputs? Each of the 8 digital outputs delivers up to 0.5A. If your application requires higher current switching, you should utilize interposing relays to protect the module's transistor hardware.