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IOB-Thermostat
I/O Bus Room Sensor
PRELIMINARY

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Description

The IOB-Thermostat is an I/O Bus room sensor that combines a high accuracy temperature sensor with Unitary control algorithms.  I/O Bus capabilities allow you to network multiple Roomstats on one I/O Bus.

 

Applications
  • Room temperature sensing
  • setpoint adjust
  • LED override indication
  • connect to any SAC over I/O Bus
  • Up to 2 stage heat and/or 2 stage cool
  • Auto or continuous fan operation

Features

  • I/O Bus allows multiple Roomstats to be connected to any single SAC
  • One, two or three button modules with or without setpoint dial
  • Default settings and changes stored in memory (no batteries)
  • 10 bit A/D

Options

  • Modules are configurable for setpoint, deadbands, heat/cooling
  • Setpoints are configurable and protected (occupied/unoccupied modes, night setback)
  • Commons (grounds) are configurable

Sensor

  • 3k thermistor
  • 0.2C accuracy (0.36F accuracy)

Connectivity

  • 2 wire terminal for I/O Bus

Communication Protocol

  • Walker ASCII Protocol

Cable

  • 18 AWG twisted shielded pair
  • I/O Bus
  • maximum length 1000 feet

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