mPCIe 8 Channel Digital Input and Relay Output with Change-of-State




The mPCIe-RO-8 consists of a type F1 PCI Express Mini Card (mPCIe) interface board that connects to a Mobile-ITX-sized, DB-37M Isolation Module via an included 9” cable. That module is designed to be easily panel-mounted in any application environment. 

The non-polarized inputs support both AC and DC, and configuration jumpers allow 4.7ms input filters to be enabled per-channel, as desired – required for AC use. 

Outputs are 5 Form C (“Single-pole, double-throw”, or SPDT) and 3 Form A (SPST) electromechanical relays capable of 1A continuous-current load.

Ordering Info

  • mPCIe-RO-8 – mPCIe 8 Channel Digital Input and Relay Output with Change-of-State


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  • Relay Outputs
    • Number: 8 (or 4)
    • Type: 5 Form C (SPDT) and 3 Form A (SPST), Ag with Au clad,single crossbar for mPCIe-IIRO-8; 4 Form C for mPCIe-IIRO-4
    • AC Load: 0.5A at 125 VAC (62.5 VA max)
    • DC Load: 1A at 24 VDC (30W max)
    • Switching Voltage: 125 VAC, 60 VDC, max
    • Switching Current: 1A max
    • Contact Resistance: 100 mΩ, max
    • Contact Life: 5 million operations, min
  • Environmental
    • Temperature
      • Operating: 0°C to 70°C (order -T option for industrial temperature -40°C to 70°C)
      • Storage: -65°C to 150°C
    • Humidity: 5% to 95%, non-condensing
    • Power required: +3.3VDC @ 730ma (typical), all relays on
  • Physical
    • mPCIe card characteristics
      • Weight: 6.2 grams
      • Size
        • Length: 50.95mm (2.006″)
        • Width: 30.00mm (1.181″)
      • I/O connector
        • On-card: Molex 501190-4017 40-pin latching
        • Mating: Molex 501189-4010
    • Isolation board characteristics
      • Weight: 51.4 grams, (+11.2 grams for the 9″ cable)
      • Size (Mobile-ITX sized)
        • Length: (2.952″)
        • Width: (1.1.772″)
    • I/O connector
      • On board: Male, D-Sub Miniature, 37-pin
      • Mating: Female, D-Sub Miniature, 37-pin

Delivery Information

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ACCES I/O: Warranty and Service Information

All ACCES I/O products distributed in the EMEA come with a 2 year warranty as standard, with additional extension options available upon request. As an official ACCES I/O partner, we are proud to provide customers with peace of mind and the highest quality products, including any systems which have been configured to meet individual specifications.

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