IMSED01 | ABB Bailey Sequence of Events Digital Input Module | SOE Slave Card

Product Description

The ABB Bailey IMSED01 Sequence of Events Digital Input Module is engineered for high-speed discrete signal monitoring in Bailey INFI 90 and Symphony Plus control systems. Unlike conventional digital input modules, the IMSED01 is optimized for Sequence of Events (SOE) applications, where precise timing of state transitions is critical. It captures and timestamps input changes with millisecond resolution, ensuring accurate event logging for diagnostics, fault reconstruction, and system analysis in mission-critical environments.

Technical Specifications

• Manufacturer: ABB Bailey

• Model Number / Product ID: IMSED01

• Product Type: SOE Digital Input Slave Module

• System Series: INFI 90 / Symphony Plus

• Channel Capacity: 16 discrete input channels

• Timestamp Resolution: 1 millisecond

• Input Voltage Options: 24 VDC, 48 VDC, or 125 VDC (depending on termination)

• Communication: Slave Expander Bus

• Power Requirements: +5 VDC (backplane powered)

• Operating Temperature: 0 °C to 70 °C

• Features:

• High-speed event capture beyond standard controller scan cycles

• Synchronization with IMSET01 for unified time base across racks

• Hardware debouncing and software filtering for noise immunity

• Local signal conditioning and autonomous timestamping

• Real-time fault reporting via front-panel LEDs

• Hot-swappable design for easy expansion and maintenance

Application Scenarios

• Power generation plants requiring precise SOE monitoring

• Event logging for protective relays, circuit breakers, and emergency stop switches

• Industrial automation systems where millisecond-level event capture is essential

• Distributed control systems needing synchronized event records across multiple racks

FAQ

Q: What makes the IMSED01 different from standard digital input modules?  A: It is designed specifically for Sequence of Events applications, offering millisecond timestamping and synchronization with master time-keeper modules.

Q: How many input channels are supported?  A: The IMSED01 provides 16 discrete input channels.

Q: What input voltages can the module handle?  A: It supports 24 VDC, 48 VDC, or 125 VDC depending on termination configuration.

Q: Does the module support hot-swapping?  A: Yes, it can be installed or removed under power for system scalability and maintenance.