Overview
The ABB SPDIS22 Digital Input Module is part of the Symphony Plus and INFI 90 control system families. It provides 16 isolated digital input channels, each capable of handling a wide range of input voltages, including 24 VDC, 48 VDC, 125 VDC, and 120 VAC. This versatility allows engineers to interface with various field devices such as switches, relays, and sensors without additional signal conditioning.
Moreover, the module features 32 jumpers for channel configuration, enabling customized input behavior per application. In addition to its compact design, the SPDIS22 offers high noise immunity and fast response times, making it suitable for demanding industrial environments. Therefore, it’s widely used in power generation, water treatment, and manufacturing automation.
Technical Data
| Parameter | Specification |
|---|---|
| Model Number | SPDIS22 |
| Product Type | Digital Input Module |
| Dimensions (L×W×H) | 12.5 cm × 17.8 cm × 2.5 cm |
| Weight | 0.3 kg |
Typical Applications
The SPDIS22 module is commonly used in Symphony Plus DCS systems and Bailey INFI 90 platforms. For instance:
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Substation Automation: It monitors relay contacts and discrete switches.
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Turbine Control Systems: It facilitates digital signal acquisition and system monitoring.
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Water Treatment Plants: It supports various digital control and monitoring functions.
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Industrial Process Control: It is used for acquiring signals from discrete devices such as limit switches, sensors, and other field devices.
Its universal voltage support makes it especially suitable for retrofit projects, where legacy systems use different voltage levels. Engineers value its modular design and flexible configuration, which simplify integration and long-term maintenance in complex systems.
FAQ
Q: What input voltages does the SPDIS22 support?
A: It supports 24 VDC, 48 VDC, 125 VDC, and 120 VAC inputs.
Q: How many digital input channels are available?
A: The module provides 16 isolated digital input channels.
Q: Is it compatible with Symphony Plus systems?
A: Yes, it integrates seamlessly with ABB Symphony Plus and INFI 90 control platforms.
Q: Can input channels be configured individually?
A: Yes, each channel can be customized using onboard jumpers for input configuration.
Q: What industries commonly use this module?
A: It is widely used in power generation, water treatment, and industrial automation systems.
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