COMS 2288

Combo Module
MODBUS over RS485 Serial Interface
2 AI + 2 AO + 8 DI + 8 DO
DIN-Rail Mount, 24 VDC Supply

Product description

Features

  • Analog Inputs
    • 2 Universal Channels : Thermocouples, RTD Pt100, Volts, mV and mA
    • 16 Bit Sigma-Delta ADC (± 32,768 Counts)
    • Automatic CJC for Thermocouple & LRC for RTD Inputs
    • User Settable Scalable Range for DC V/mV/mA Inputs with 12 or 5 VDC Excitation Supply on Each Channel
    • 4 Programmable Soft Alarms for each Channel
    • Process Values Available as both 16-Bit Signed Integer & 32-Bit Single Precision Float
    • Fast Channel Update Rate
  • Analog Outputs
    • 2 Channels : Current (0-20 mA, 4-20 mA, 0-10 mA) or Voltage (0-5 V, 1-5 V, 0-10 V)
    • Programmable Min / Max Counts Corresponding to Signal Low & Signal High Outputs
  • Digital Inputs
    • 8 Channels : Input Type Programmable as –
      • Dry Contact or Potential-Free Contacts / Open Drain / Open Collector
      • 5 to 30 VDC Wet Contact or Voltage Pulses
    • Both High / Low Levels & High-to-Low / Low-to-High Transition Status Available
  • Digital Outputs
    • 8 Channels (Source) : 9 to 30 VDC @ 75mA per O/P
    • 3 Digital Output Modes
      • On-Off
      • Re-Triggerable Pulse (Programmable Pulse Time)
      • Pulse Train (Programmable Pulse-ON/OFF Time)
  • Three-way Isolation Eliminates Potential Ground Loops between Power, Inputs / Outputs and RS485 Serial Port
  • 2-wire, Half-Duplex, Start-Stop Synchronized RS485 Port
  • Industry Standard MODBUS RTU Protocol with Programmable ID, Baud Rate & Parity
  • Compact DIN-Rail Enclosure : 22.5(W) X 101(H) X 119(D), mm
  • Wide Supply Voltage Range : 18 ~ 32 VDC (24 VDC Nominal)
  • Free PC Tool for Easy Configuration and Parameter Settings

Downloads

Product Catalogue

User Manual

Operator Manual