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- ABB
- SDCS-IOE-2
- I/O Extension Board Interface Board Measurement Board
- Sweden
- 148 mm × 100 mm × 130 mm
- 0.21kg
- 61208097
- Xiamen, China
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ABB SDCS‑IOE‑2 (Model: 61208097)
Product Overview
The ABB SDCS‑IOE‑2 is an Input/Output Expansion Module designed for ABB’s DCS (Drive Control System) modular architecture. It serves to expand analog and digital I/O capacities of the control system, enabling connection to external sensors, actuators, encoder feedback and field devices.
This module enhances system flexibility by offering additional I/O channels and interfaces without replacing the main controller board. Its rugged design, compatibility with ABB’s DCS platform, and modular form factor make it ideal for demanding industrial applications where more signals must be processed, monitored or controlled.
Product Parameters
| Parameter | Description |
|---|---|
| Model | SDCS‑IOE‑2 |
| Part Number | 61208097 |
| Product Type | Input/Output Expansion Module |
| Brand | ABB |
| Series | DCS Control System Series |
| Supply Voltage | 24 V DC nominal |
| Digital Inputs | 8 channels, isolated (approximate) |
| Digital Outputs | 8 channels, relay or transistor type (approximate) |
| Analog Inputs | 4 channels configurable (‑10…+10 V or 4…20 mA) |
| Analog Outputs | 2 channels configurable (‑10…+10 V or 1…20 mA) |
| Communication | Interface via ribbon/flat cable to main controller |
| Operating Temperature | ‑25 °C to +55 °C |
| Dimensions (W × H × D) | ~148 mm × 100 mm × 130 mm |
| Weight | ~0.21 kg |
| Compliance | Industrial automation standard module |
Product Description
The SDCS‑IOE‑2 functions as a dedicated I/O expansion board within the ABB DCS modular platform. It allows existing controllers to increase their I/O count by connecting analog sensors, field devices, and actuator interfaces. By using this expansion module, system integrators can avoid replacing the entire control module and instead add capacity in a modular, cost‑effective manner.
The board supports both analog and digital signals, enabling mixed signal processing as required in industrial drives, conveyor systems or automated manufacturing. Its modular architecture and standardized mounting permit quick installation, replacement and system upgrades. The SDCS‑IOE‑2 supports the same mechanical footprint and electrical interface as the DCS modular family, ensuring seamless mechanical and electrical integration.
In operation, the board delivers high signal integrity, accurate measurement and stable control through its isolated channels and configurable input/output ranges. It is engineered for industrial reliability, operating under wide temperature conditions, and suitable for 24/7 operation in drive, manufacturing and process automation environments.
Product Applications
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Expansion of analog and digital I/O in drive control systems (DC or AC)
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Machine automation systems in manufacturing, metalworking, or material handling
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Retrofitting legacy drive installations requiring additional sensor or actuator points
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Process automation in pulp & paper, chemical, energy or mining industries
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Motor and drive systems where additional feedback (analog sensors, encoders) is needed
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Automated plant systems with modular architecture needing incremental I/O additions
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Control cabinets in harsh industrial environments where reliable signal expansion is required
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Automated conveyors, crane controls, hoisting systems and other drive‑based automation where field I/O capacity must increase
Product Advantages
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Flexible I/O Expansion – Allows expansion of control system I/O without replacing the controller module.
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Mixed Signal Capability – Supports analog inputs/outputs and digital inputs/outputs on same board flexibly configurable.
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Compact & Lightweight Design – Small form factor (~148 × 100 × 130 mm) and light weight (~0.21 kg) simplify layout and mounting.
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Industrial Grade Robustness – Built for continuous operation in drive and automation environments, with wide temperature range.
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Seamless Integration – Fully compatible with existing DCS modular architecture for straightforward system upgrades.
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Cost‑Effective Upgrade Path – Better ROI by adding I/O capacity rather than replacing entire systems.
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Improved Signal Integrity – Isolated channels and proper analog/digital separation reduce noise, improve measurement accuracy.
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Reduced Downtime – Modular design enables quick swap‑out or installation with minimal disruption to operations.
Brand Information
Brand: ABB
ABB is a globally recognized leader in industrial automation, control and drive systems. Its modular DCS platform is known for flexibility, reliability and long service life. The SDCS‑IOE‑2 expansion module continues this legacy by offering high‑quality I/O expansion in a proven automation ecosystem.
Product Series
Series: DCS Control System Series
Within the ABB DCS Control System Series, modules are implemented for various functions: controller (CON), field interface (FIS), excitation (FEX), I/O interface (IOB) and I/O expansion (IOE). The SDCS‑IOE‑2 belongs to the IOE category and is used for extending the number of input/output channels of the system.
Related Models (Same Series or Compatible Types)
| Model | Description | Key Parameters |
|---|---|---|
| SDCS‑IOE‑1 | I/O Expansion Module (earlier version) | 24 V DC; 8 DI/8 DO + 4 AI/2 AO; ~0.21 kg |
| SDCS‑IOE‑3 | Mixed Analog/Digital Expansion Module | 16 DI/16 DO + 8 AI/4 AO; ~0.25 kg |
| SDCS‑IOE‑4 | High‑Density I/O Expansion | 32 DI/32 DO + 8 AI/4 AO; ~0.35 kg |
| SDCS‑IOB‑21 | Digital I/O Board (24 V DC field side) | 16 DI/16 DO; ~0.72 kg |
| SDCS‑FIS‑31 | Field Interface Board (Analog + Encoder I/O) | 24 V DC; 4 AI/2 AO + Encoder; ~0.68 kg |
Popular Models (Same Brand)
| Model | Description | Key Parameters |
|---|---|---|
| ACS880‑01‑097A‑3 | High‑performance AC Drive | ~75 kW; 400 V; ~55 kg |
| DCS800‑S02‑0160‑05 | High‑capacity DC Drive System | ~160 A; 500 V; ~48 kg |
| CI858A | Communication Interface Module | 24 V DC; ~0.50 kg |
| PM865K01 | Processor Module for DCS/Drive Control System | 24 V DC; ~0.55 kg |
| DSQC1047 | Automation Control Board | 24 V DC; ~0.70 kg |
FAQ (Frequently Asked Questions)
Q1: What is the primary function of the SDCS‑IOE‑2?
A1: It functions as an I/O expansion module, adding additional analog and digital input/output capacity to the control system.
Q2: Which supply voltage is required for the module?
A2: The module uses a 24 V DC nominal supply.
Q3: Can the module support both analog and digital signals?
A3: Yes — it supports analog inputs/outputs and digital inputs/outputs for flexible field device interfacing.
Q4: What are the typical dimensions and weight of the board?
A4: Approximately 148 mm × 100 mm × 130 mm in size with a weight around 0.21 kg.
Q5: What is the operating temperature range?
A5: The board operates from roughly ‑25 °C up to +55 °C.
Q6: Is this module suitable for retrofits or system expansions?
A6: Yes — it is designed specifically to expand capacity in existing automation systems without replacing primary control modules.
Q7: What kinds of industrial environments can it handle?
A7: It is built for industrial automation, drive and field‑sensor environments with continuous duty, wide temperature range and robust components.
Q8: How does it improve I/O flexibility?
A8: By offering additional channel capacity and mixed analog/digital support, it enables more sensors and actuators to be connected without large system redesign.
Q9: Does the module integrate seamlessly into ABB’s DCS series?
A9: Yes — it shares mounting, interface and system compatibility with ABB’s DCS modular family.
Q10: What are the benefits of using such an expansion module rather than controller replacement?
A10: Benefits include lower cost, reduced disruption during installation, faster commissioning, and future scalability of the system.
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