989EN, 16 Kanallı Ethernet Dijital I/O (with Counter & Timers)

16-Channel I/O with Counter/Timers

• 0-28V Input

• 0-28V DC Output

• 8 up/down counters, 32-bit, 150Hz max; 8 timers, 16-bit, 1mS resolution

• 18 to 36V DC Power (1.4W)

• Ethernet Modbus TCP/IP 10/100Base-T(X)

989EN-4C16: Commercial (no counters)
989EN-4016: Industrial-grade

These modules provide an isolated Ethernet interface for any input/output mix of up to 16 discrete signals. Inputs sense status of dry contacts, switches, power supplies, and DC logic. Industrial-grade units have eight 32-bit pulse counters with timers, alarms, and non-volatile memory for metering, totalizing, and low-frequency periodic measurement. Outputs control solid-state switching of lamps, horns, and other devices.


  • 16 solid-state discrete I/O channels (any mix of inputs/outputs)
  • High speed 1mS updates for all 16 channels
  • 3-way isolation and surge suppression
  • Web browser configuration
  • Automatic MDI/MDI-X negotiation
  • Inputs accept 2- or 3-wire sensors and active logic switches (dry contacts, prox, namur, 5-28V DC logic)
  • Inputs detect level and change of state
  • 8 configurable counter/timers
    32-bit up/down pulse/event counters (with non-volatile memory)
    16-bit periodic timers for “last pulse”
    Momentary/latch alarms (each counter)
  • Programmable debounce (0-65 seconds with 1mS resolution)
  • Programmable power-up conditions
  • Over-temperature, over-current, and over-voltage output protection
  • Ability to “read-back” output states
  • Watchdog timer output configurable for failsafe or hold-last-value operation
  • User-adjustable TCP Ports 1-99,999 for advanced network configuration
  • Self-test and auto-copy functions
  • Operating Temperature Range: 989EN-4016:-40°C to +65°C (-40°F to +149°F); 989EN-4C16:0°C to +55°C (+32°F to +131°F).

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