ABB 2RCA025059A000J
ABB 2RCA025059A000J
ABB 2RCA025059A000J
ABB 2RCA025059A000J

ABB 2RCA025059A000J | Symphony Plus Series 16-Channel Digital Output Module

  • Brand: ABB
  • Model: 2RCA025059A000J
  • Product Type: Digital Output Module
  • Series: Symphony Plus I/O Series
  • Core Function: Provides 16-channel digital signal output (relay/transistor) for ABB Symphony Plus DCS, converting controller commands to discrete signals for actuating field devices (e.g., solenoids, contactors, indicators).
  • Key Specs: 16 channels, 24VDC/250VAC output (relay), 0.5A per channel (transistor), channel-to-channel isolation (1500Vrms), -25°C to +60°C operating temperature.
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Part number: ABB 2RCA025059A000J
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Description

2RCA025059A000J: Product Overview
This component is a 16-channel digital output module within ABB’s Symphony Plus I/O Series, designed for industrial process discrete signal actuation in distributed control systems (DCS). In a DCS architecture, it functions as a controller-to-field interface, positioned in remote I/O stations or controller chassis to deliver binary control commands from Symphony Plus controllers (e.g., HS-series) to discrete field devices (e.g., solenoid valves, motor starters, indicator lights). Its role is to condition low-power controller outputs into robust signals capable of driving actuators, while ensuring signal integrity and fault detection in harsh industrial environments.
The core functionality involves converting controller-generated digital signals (0/1 states) into 24VDC transistor outputs (sourcing, 0.5A max per channel) or 24VDC/250VAC relay outputs (2A max per channel, Form A contacts). It supports 16 independent channels, each configurable via software for relay or transistor operation, with built-in diagnostics (e.g., output short-circuit, open-load detection) to flag device faults. The module communicates with controllers via the S800 I/O bus, ensuring deterministic command delivery with minimal latency for time-sensitive applications like emergency shutdown (ESD) systems.
It belongs to the Symphony Plus I/O Series, optimized for modularity, backward compatibility, and integration with ABB’s legacy and current control systems. The platform’s benefits include standardized mounting to Symphony Plus I/O racks, seamless configuration via ABB’s Control Builder M software, and adherence to IEC 61131-2 (signal integrity) and IEC 61000-4 (EMC)—ensuring interoperability with global actuator suppliers and simplified system upgrades.

ABB 2RCA025059A000J

ABB 2RCA025059A000J

2RCA025059A000J: Technical Specifications
  • Model Number: 2RCA025059A000J
  • Manufacturer: ABB
  • Product Type: Digital Output Module
  • Number of Channels: 16 (independent, software-configurable)
  • Output Type: Relay (Form A, 2A @ 24VDC/250VAC) or Transistor (sourcing, 0.5A @ 24VDC)
  • Electrical Isolation: Channel-to-channel and channel-to-bus (1500Vrms)
  • Operating Temperature: -25°C to +60°C
  • Storage Temperature: -40°C to +85°C
  • Response Time: ≤5ms (transistor), ≤10ms (relay)
  • Communication Interface: S800 I/O bus (proprietary, high-speed serial)
  • Dimensions: 198mm x 25mm x 120mm (WxHxD, S800 I/O form factor)
  • Weight: 0.27kg
  • Power Supply: 24V DC (±10%, drawn from Symphony Plus I/O rack backplane)
  • Protection Rating: IP20 (panel-mount, finger-safe terminals)
Core Features & Customer Value​
The module’s design prioritizes actuation reliability, flexibility, and operational efficiency. The 16-channel density reduces I/O cabinet footprint—for example, a process skid requiring 32 outputs can be served by two 2RCA025059A000J modules instead of four lower-density alternatives, cutting wiring complexity and material costs. For engineers, this consolidation simplifies commissioning and inventory management.
Channel-to-channel isolation (1500Vrms) prevents ground loops and electromagnetic interference (EMI) from adjacent channels—critical in environments with heavy machinery (e.g., pulp mills), where motor drives generate noise. This ensures reliable actuation of low-power devices (e.g., a proximity sensor trigger near a VFD), avoiding unintended process interruptions. Configurable relay/transistor outputs accommodate diverse actuators: relays handle high-voltage AC loads (e.g., contactors), while transistors suit low-power DC devices (e.g., indicator LEDs).
Built-in diagnostics (short-circuit, open-load) enable proactive maintenance: the module flags a failed solenoid (e.g., shorted coil) via controller alarms, allowing technicians to replace it before a process deviation. Integration with Control Builder M software streamlines configuration: engineers define output types, response times, and fault thresholds via a graphical interface, with automatic generation of diagnostic tags. This consistency with other Symphony Plus I/O modules reduces training time and minimizes configuration errors.

ABB 2RCA025059A000J

ABB 2RCA025059A000J

Typical Applications​
In a chemical plant’s reactor skid, the module actuates 16 solenoid valves (relay outputs) to control reactant flow. The 1500Vrms isolation prevents EMI from nearby agitators, while diagnostics alert operators to a stuck valve (open load), ensuring precise stoichiometric mixing.
At a wastewater treatment facility, it drives 8 motor starters (relay outputs) for pump control and 8 indicator lights (transistor outputs) for status signaling. The -25°C to +60°C operating range suits unheated control panels, and S800 I/O bus ensures fast command delivery for pump-vessel interlocks.
In a food packaging line, the module triggers 16 pneumatic actuators (transistor outputs) for sealing operations. Response time ≤5ms ensures synchronization with conveyor speed, while open-load diagnostics identify worn actuator seals before leaks occur.

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