EPM-3438 Expansion Module

Features and Benefits

  • 8 + 8 DI/DO with 3 kV digital isolation protection, 2 kHz counter


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Moxa’s EPM-3438 expansion module comes with 8 DIs and 8 DOs provided with 3 kV digital isolation protection and terminal block connectors, which can be used with Moxa’s V2426 embedded computers to give end users the best flexibility for setting up and expanding a variety of industrial applications.



Digital Inputs
No. of Ports DIs x 8
Connector 10-pin terminal block
Voltage 0 to 30 VDC
Dry Contact On: short to GND
Off: open
Wet Contact (DI to COM) On: 10 to 30 VDC
Off: 0 to 3 VDC
Counter Frequency 2 Hz
Isolation 3000 VDC
Digital Outputs
No. of Ports DOs x 8
Connector 9-pin terminal block
Current Rating 200 mA per channel
Voltage 24 VDC
Physical Characteristics
Dimensions (without ears) 104 x 121 x 34 mm (4.09 x 4.76 x 1.34 in)
Weight 120 g (0.26 lb)
Environmental Limits
Operating Temperature -40 to 70°C (-40 to 158°F)