Schneider 140DDM39000 Discrete I/O Module

Frequently Asked Questions (FAQ)

Q1: What type of logic is used for the inputs and outputs of the 140DDM39000?
A1: Both inputs and outputs use sink logic.

Q2: What is the maximum load current the module supports?
A2: The module supports up to 0.5 A per point, 2 A per group, and 4 A per module.

Q3: Is the module protected against output faults?
A3: Yes, output protection includes transient voltage suppression and a 5 A fuse per group.

Q4: How is fault indication provided?
A4: Via red LEDs for input and output faults, blown fuse, and loss of field power.

Q5: What voltage levels define logic states for inputs?
A5: Logic 0 is defined from -3 V to 5 V; logic 1 is defined from 15 V to 30 V.

Q6: How many discrete I/O points are there in total?
A6: There are 24 total discrete points – 16 inputs and 8 outputs.

Q7: What is the input impedance of the module?
A7: The input impedance is 2500 Ohms.

Q8: What environmental conditions does this module tolerate?
A8: It operates from 0 to 60 °C, up to 95% humidity, and altitudes up to 5000 meters.

140DDM39000 Discrete I/O Module Schneider

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