The IMSED01 module is engineered to monitor and record transitions in discrete signals, such as switch closures and contact openings, across a plant or facility. By timestamping each state change, the IMSED01 enables operators and engineers to reconstruct the exact sequence of events leading up to alarms, trips, or shutdowns. This forensic visibility is vital for root cause analysis, maintenance planning, and regulatory compliance.
Part of the Bailey Infi 90 system, the IMSED01 seamlessly integrates into ABB's proven and robust DCS architecture, providing reliable operation and scalable control for complex industrial systems.
Technical Specifications
| Parameter | Details |
| Model | IMSED01 |
| System Compatibility | Bailey Infi 90 Distributed Control System |
| Input Channels | 16 or 32 digital input points |
| Input Type | Dry contact or logic-level signals |
| Time Resolution | 1 ms timestamp accuracy |
| Operating Voltage | 24 VDC nominal (range: 18–30 VDC) |
| Input Threshold | 5–15 V for high state |
| Power Consumption | < 5 W |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Mounting | Rack-based installation in Infi 90 system chassis |
| Communication Interface | Infi-Net via module bus |
| Status Indicators | Channel activity, power, fault |
Functional Characteristics
- Precise Event Logging
The IMSED01 provides millisecond-accurate timestamps for all input changes, enabling true Sequence of Event tracking.
- Digital Filtering
Built-in debouncing filters eliminate noise and prevent false event captures caused by signal jitter or bounce.
- Data Integrity
Events are recorded in real time and buffered in memory until they are polled or transferred to the host controller, ensuring no data is lost during high-traffic periods.
- Redundancy Support
The module works within redundant control architectures, helping ensure system uptime even if a primary controller fails.
- Integration Flexibility
The module can be configured using standard Bailey programming tools and easily integrated into existing Bailey Infi 90 racks and I/O subsystems.
- Hot Insertion and Removal
Designed for hot-swapping, the IMSED01 can be replaced during operation without requiring a system reboot or shutdown.
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