SPDSI22 | ABB | Symphony Plus Harmony | Digital Input Module

Product Description

The ABB SPDSI22 Digital Input Module is a rack-mounted hardware unit engineered for Symphony Plus Harmony systems. It provides reliable acquisition of discrete signals from field devices, supporting multiple voltage ranges for flexible integration into industrial automation environments.

Technical Specifications:

• Manufacturer: ABB

• Model Number: SPDSI22

• Product Type: Digital Input Module

• Channel Type: DI (Digital Input)

• Number of Input Channels: 16

• Supported Input Voltages: 24 VDC, 48 VDC, 125 VDC, 120 VAC

• Dimensions (L × W × H): 7.34 cm × 26.92 cm × 35.81 cm

• Shipping Weight: 3 kg

• System Compatibility: Symphony Plus Harmony rack systems

Key Features:

• Multi-Voltage Support: Operates across DC and AC ranges for versatile field integration.

• High Channel Density: 16 digital inputs for efficient signal monitoring.

• Robust Construction: Designed for long-term use in demanding industrial environments.

• Compact Form Factor: Fits seamlessly into Symphony Plus Harmony racks.

• Reliable Signal Acquisition: Ensures accurate detection of sensor and switch states.

Applications:

• Power generation plants requiring discrete signal monitoring

• Chemical and manufacturing industries with distributed control systems

• Industrial automation environments with mixed voltage input requirements

FAQ:

• Q: What voltage levels are supported by the SPDSI22?  A: It supports 24 VDC, 48 VDC, 125 VDC, and 120 VAC inputs.

• Q: How many signals can be connected simultaneously?  A: The module provides 16 independent digital input channels.

• Q: Is the SPDSI22 compatible with Symphony Plus Harmony racks?  A: Yes, it is fully compatible with ABB Symphony Plus Harmony systems.

Comparison with Similar Models:

• SPDSI13: 16-channel digital input module, limited to 24 VDC

• SPDSI22: 16-channel module with multi-voltage support (DC and AC)

• SPDSI25: Extended diagnostics and enhanced input protection