Product Catalog   (435) 750-5999
X-432 Web Enabled I/O - Relays, Inputs, 1-Wire Bus, and more

Stand alone programmable I/O controller or a capable RTU with 16 relays, 18 digital inputs, 4 analog inputs and support for up to 16 temperature sensors.


Power Requirements

  • Voltage: 9-28VDC
  • Max Current: 1.16A Max

Relay Contacts

  • Number of Relays: 16
  • Max Voltage: 30VDC, 30VAC
  • Max Current: 2A
  • Contact Type: SPST (Form A)
  • Load Type: General Purpose
  • Contact Resistance: < 100 milliohms initial
  • Contact Material: AgSnO2
  • Electrical Life: 100K operations (Min)
  • Mechanical Life: 5M cycles (Min)
  • Environmental Rating: Over voltage Category II, Pollution Degree 2
  • Relay Modes: ON/OFF or Pulsed
  • Pulse Timer Duration: 0.1 to 86,400 Seconds (1-day)

Optically-Isolated Digital Inputs (1-16)

  • Number of Inputs: Optically-Isolated
  • Voltage Range: 3-26VDC
  • Current: 0.6mA @ 3V, 8.2mA @ 26V
  • Minimum Hold Time: 20ms
  • Input Isolation: 1500V
  • Input Functions: Monitor State, Control Relays, Control Remote Relays, High Timer
  • Maximum Count: 24-bit
  • Max Count Rate: 200Hz Max
  • Edge Trigger: Rising, Falling, or Both

General Purpose Digital Inputs (17-18)

  • Number of Inputs: 2
  • Number of Inputs: Non-Isolated
  • Voltage Range: 0-5VDC
  • Current: 47K Pull-Up
  • Minimum Hold Time: 20ms
  • Input Functions: Monitor State, Control Relays, Control Remote Relays, Count, High Timer
  • Maximum Count: 24-bit
  • Max Count Rate: 200Hz Max
  • Edge Trigger: Rising, Falling, or Both

Analog Inputs

  • Number of Inputs: 4
  • Type: Single-ended Channels
  • Input Range: 0-5 VDC
  • Resolution: 12-bit
  • Reference: 5.00V, 0.04%, 3ppm/C, 50mA Max

Temperature Sensors

  • Maximum Number of Sensors: 16
  • Type: Dallas Semiconductor DS18B20
  • Temperature Range: -67°F to 257°F (-55°C to +125°C)
  • Accuracy: ±0.5°C (from -10°C to +85°C)
  • Sensor Functions: Thermometer, Thermostat, Relay Control, Remote Relay Control, Email Alerts, SNMP Traps, Temperature Logging
  • Humidity Type: Xytronix Model X-DTHS-P probe
  • Humidity Range: 0-100% RH
  • Accuracy: ±1.8%

Real-Time Clock:

  • Manual or NTP(Network Time Protocol) setup
  • NTP Sync Period: Once, Daily, Weekly, On Powerup
  • Auto Daylight Savings Adjustment
  • Battery (capacitor) Power Backup

Capacitor Power Backup

  • Backup Functions: Retain Real-Time Clock, 1 Register, 2 Counters, 16 Relay States
  • Backup Duration: 24 hours


  • Type: 10/100 Base-T Ethernet Port
  • Setup: Static or DHCP IP address configuration


  • Power: 3-Position, 5.08mm terminal spacing, Removable. For 16-28 AWG wire.
  • Relays & Inputs: 8-Position, 3.81mm terminal spacing, Removable. For 16-28 AWG wire.
  • Network: 8-pin RJ-45

LED Indicators

  • Number of LEDs: 35
    • Power on
    • Relay coil energized 1-16
    • Optically-isolated digital inputs (1-16)
    • Network linked
    • Network activity


  • Operating Temperature: -40°F to 150°F (-40°C to 65.5°C)
  • Size:
    • 8.725in (221.6mm) wide
    • 1.815in (46.1mm) tall
    • 3.735in (94.9mm) deep (not including connector)
  • Weight: 31.3 oz (887.3 grams) with connectors
  • Material: Powder-Painted Steel


  • HTTP, HTTPS, SSL, XML, JSON, Modbus TCP/IP, SNMP, SMTP, Remote Services


  • Log File Size: 3072K (Max 50688 logs)
  • Storage: Nonvolatile Flash
  • Buffer Architecture: Circular Buffer
  • Log data can be periodically read and stored on a computer

Advanced Features

  • Data Graphing
  • BASIC interpreter
  • Task Builder

Password Settings

  • Password protection on setup page: Yes
  • Password protection on control page: Optional
  • Password Encoding: Base 64
  • Password Length: 6-18 Characters

Electromagnetic Compliance

  • IEC CISPR 22, CISPR 24
  • FCC 47CFR15 (Class B)
  • EU EN55024, EN55022

Product Safety Compliance

  • IEC 61010-1
CE listed RoHS compliant Made in the USA

More Information:


Where to Buy

Click "Buy Online" to view part numbers and pricing. X-432 is available in the USA and internationally, and can be purchased either from us or an Authorized Distributor.



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