ABB Bailey IMDSM04 Infi 90 Digital Slave Input/Output Module Trusted supplier

Frequently Asked Questions (FAQ)

What is the function of the IMDSM04 module?
The IMDSM04 serves as a pulse input slave module, interfacing 8 pulse or frequency signals into the Infi 90 system for totalization, frequency, or period measurement.

Which signal voltage ranges are supported by the IMDSM04?
It supports three ranges: 4–6 VDC, 21.6–27 VDC, and 50 mV to 10 V peak-to-peak (only on channels 1 & 2 with preamplifiers).

How many channels can be connected to the IMDSM04?
The module supports 8 independent pulse input channels.

Can the module detect low-level signals?
Yes, channels 1 and 2 support low-level signal detection via internal preamplifiers (50 mV to 10 V peak-to-peak).

What is the maximum input frequency the module can process?
The maximum input frequency is 50 kHz.

How does the module handle debounce?
Each input has configurable debounce timing with an 8.5 ms delay option.

What are the operating modes of the IMDSM04?
It supports three modes: Totalize, Frequency, and Period, selectable via configuration in the Multi-Function Processor (MFP).

What kind of isolation does the IMDSM04 provide?
It provides 150 V RMS isolation channel-to-channel and 350 V RMS between input and logic circuits.