PC/104 Industrial Relay Module - IR104

The IR104 PC/104 industrial relay module features 20 optoisolated digital inputs and 20 relay outputs, sufficient for many industrial control applications. Each input can accept either AC or DC voltages with a range of 3-24V and are accessed through a 40-pin header that mates with a standard ribbon cable. The 20 SPST (Form A) relays have a long lifetime (20,000,000 operations, 100,000 at full load) and quick actuation time (6ms max operate, 3ms release). The relays are supplied with a contact rating of 250VAC or 30VDC @ 5A giving the IR104 the ability to directly control switches for small motors or solenoids. The relays are in the open state when deactivated / powered off. To allow for quick and convenient installation, a pair of 20-position detachable terminal blocks accept wire sizes of 14-28AWG. The IR104 is a compact design measuring 3.550″ x 3.775″ with a maximum component eight of 0.492″. A 16-bit PC/104 BUS is included to allow for easy integration into embedded systems or to allow for up to 4 IR104 modules to be stacked together. The IR104 operates on single 5VDC, has a -20° to +70°C operating temperature range and is now RoHS compliant.

  • 20 optoisolated digital inputs
  • 20 relay outputs
  • Input voltage: 3-24VAC or DC
  • DC switching capacity: 30VDC @ 5A
  • AC switching capacity 250VAC @ 5A
  • -20°C to +70°C operation
  • Long lifetime 20,000,000 operations
  • Quick acuation time
  • Removable connector blocks
  • PC/104 bus
  • Stack up to 4 modules
  • RoHS Compliant

Tri-M specializes in the design, manufacture, and distribution of rugged computer systems as well as board-level products such as DC-DC converters, CPU modules, enclosures, wireless, and GPS products. Many Tri-M products are designed to withstand higher temperature ranges, shock, vibration, moisture, dust and electrical noise and can be found in many industries including industrial control, military, aerospace, alternative energy, homeland security and gaming.

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