Ethernet Digital I/O Module, 48 Isolated channels

Manufacturer's part number :


Manufacturer Acromag


Description :

EtherStax I/O blocks provide a ruggedized, high density solution to interface a large quantity of isolated discrete I/O signals to your control system. A stackable aluminum housing maintains a small footprint and stands up to harsh, industrial environments. Web-based configuration simplifies setup with any web browser.

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  • High-density stackable unit: Stacked mounting puts a lot of I/O in a very small footprint to save panel space.
  • Modbus TCP/IP or UDP/IP protocol: I/O functions as slave to host controller.
  • Peer-to-peer i2o communication: Inputs to one unit automatically actuate outputs on another over Ethernet link.
  • Channel-to channel input isolation: Inputs provide high or low-side sensing for AC or DC circuits.
  • Automatic change of state detection: Inputs detect quick momentary changes of state that occur between polling.
  • Logic inversion (i2o only): Active high inputs can switch remote peer-to-peer outputs on or off.
  • Change-of-state or timed updates: Event-driven updates transmit data in less than 10ms between peers with i2o.
  • 10 Modbus TCP/IP sockets/sessions: Multiple masters can talk to unit at same time.
  • Local alarm function: Dedicated failsafe relay is controlled via watchdog timer and link-loss conditions.
  • Heavy-duty 2A relays: 16 SPST outputs provide high/low-side 2A switching up to 250V AC or 110VDC
  • Programmable outputs: Normally open relays are configurable to energize or de-energize on power-up.
  • Built-in slave relays: Inputs can control outputs on same unit to provide slave relay interface.
  • Self-test checks I/O operation: Unit checks internal I/O communication and allows verification via web browser.
  • Watchdog timers: Communication fault sends output to a pre-defined state or holds the last value.
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Type Digital  

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Protocol Modbus TCP/IP  
i2o peer-to-peer  
Number of channels I/O 48