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DA-720 Series Expansion Modules

Expansion modules with PRP/HSR ports, RS-232/422/485 serial ports, Giga LAN ports, and SATA kit


  • PRP/HSR module
  • 4-port Giga LAN module
  • 8-port Giga LAN module
  • SATA Storage expansion module
  • IRIG-B time-synchronization module
  • 8-port RS-232/422/485 software-selectable serial modules with isolation protection


DA-720’s peripheral expansion modules, which come with PRP/HSR ports, serial ports, LAN ports, time-synchronization IRIG-B ports, and SATA storage expansion kit, give end-users the greatest flexibility for
setting up industrial applications.

The serial port modules include an 8-port RS-232/422/485 module with terminal block connectors and designed with 2 kV digital isolation, making it fully suitable for the great demands of industrial applications that use serial communication.

In addition, a 4-port LAN module, 8-port LAN module, and PRP/ HSR module are available for setting up industrial communication applications with Ethernet-based devices. A SATA storage kit is also available for expanding data storage to industrial applications.


The time-synchronization module features 4 digital inputs and 4 digital outputs and provides precision timing information using IRIG-B input signals. All modules are designed to offer the greatest flexibility for setting up applications and performing industrial tasks. In particular, users can swap out modules quickly and easily.

The PRP-HSR expansion module is compliant with IEC 62439-3 Clause 4 (PRP) and IEC 62439-3 Clause 5 (HSR) to ensure the highest system availability and data integrity for mission-critical applications that require redundancy and zero-time recovery. With dual Gigabit Ethernet port design, the DA-PRP-HSR provides high performance for redundant network systems. Moxa’s DA-720 series industrial computer with the DA-PRP-HSR is the ideal solution for power substation automation and process automation systems.

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Available Models

  Model No. Description
DE-LN04-RJ 4-port 100/1000 Mbps PCIe LAN module
DE-LN08-RJ 8-port 100/1000 Mbps PCIe LAN module
DE-2-SATA 2 x 2.5” SATA III SSD/HDD Socket Module
DE-PRP-HSR-EF 2-Port 100/1000 Mbps PCIe PRP/HSR LAN Module
DE-SP08-I-TB 8-port RS-232/422/485 PCIe serial module
DE-2-IRIGB-4-DI/DO 2-port IRIG-B time synchronization module with 4 DI/DO

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