The ABB IMSED01 Sequence of Events Digital Module (IMSED01) is designed to capture and record precise event sequences in Harmony control systems. It provides high-resolution time-stamping of digital inputs, enabling operators to analyze system behavior, troubleshoot faults, and ensure compliance with operational standards.
Key Features
Model/Part Number:IMSED01
Product Type: Sequence of Events Digital Module
Operating Voltage: +5 VDC, ±5% at 350 mA typical
Microprocessor: 16-bit, operating at 10 MHz
Memory: 64 KB RAM, 64 KB ROM
Digital Input Voltage Options:
24 VDC (±10%)
48 VDC (±10%)
125 VDC (±10%)
120 VAC (±10%) (system control logic only)
Digital Input Current (typical):
5 mA (24 VDC)
4 mA (48 VDC)
4 mA (125 VDC)
5 mA (120 VAC)
Turn-On Voltage (minimum):
21.6 VDC, 43.2 VDC, 112.5 VDC, 108 VAC
Turn-Off Voltage (maximum):
10 VDC, 20 VDC, 50 VDC, 50 VAC
Maximum Off-Leakage Current: 1.5 mA (all DI voltages)
Response Time (typical):
DC fast: 1.1 msec
DC slow: 18 msec
AC: 5 msec after first positive half cycle
Isolation:
1,000 VDC/VRMS channel-to-system
350 VDC/VRMS channel-to-channel
Applications
Event sequence recording in ABB Harmony control systems
Precise digital input monitoring for industrial processes
Fault analysis and compliance reporting in distributed control systems
FAQ
Q: What is the difference between IMSED01 and IMSET01? A: IMSED01 is a digital module for event sequence recording, while IMSET01 includes RS-485 communication for time synchronization.
Q: Can IMSED01 handle both AC and DC inputs? A: Yes, it supports multiple DC voltage levels (24, 48, 125 VDC) and 120 VAC for system control logic.
