The ABB IMDSI14 Digital Input Module is part of ABB’s Symphony Plus and Infi 90 Distributed Control Systems. It provides 16 optically isolated digital input channels, enabling the system to acquire discrete on/off signals from field devices such as switches, pushbuttons, and limit sensors. With robust isolation and industrial-grade design, the IMDSI14 ensures reliable signal processing in demanding environments.
Technical Specifications
Specification
Value
Model Number
IMDSI14
Manufacturer
ABB
Product Type
Digital Input Module
System Compatibility
Symphony Plus / Infi 90 DCS
Number of Channels
16 digital inputs
Input Voltage Range
15–30 VDC (24 VDC typical)
Input Current
~7 mA per channel (@24 VDC)
Input Delay
10 ms (on/off)
Isolation Voltage
500 VAC between input and logic
Power Requirements
5 VDC from backplane, 0.17 W per channel (2.72 W total)
Operating Temperature
0 to 55°C
Storage Temperature
-40 to 85°C
Relative Humidity
5% to 95% (non-condensing)
Dimensions (Depth/Length)
73.66 mm
Dimensions (Height)
358.14 mm
Dimensions (Width)
266.7 mm
Net Weight
~0.4 kg
HS Code
85389081
Country of Origin
Sweden
Warranty
12 months
Functional Highlights
Provides 16 optically isolated digital inputs for discrete signal acquisition.
Designed for reliable integration with ABB Symphony Plus / Infi 90 systems.
Compact rack-mounted design with robust isolation for industrial environments.
Supports typical 24 VDC input signals with fast response times.
Application Scenarios
Power generation plants requiring discrete signal monitoring.
Petrochemical and chemical industries integrating field switches and sensors.
Utility and manufacturing facilities using ABB Symphony Plus DCS.
FAQ
Q: How many inputs does the IMDSI14 provide? A: It provides 16 optically isolated digital input channels.
Q: What is the typical input voltage? A: 24 VDC, with a supported range of 15–30 VDC.
Q: Is the IMDSI14 still available from ABB? A: It is discontinued in some markets but available through authorized resellers and surplus suppliers.
