X-310 Web Enabled I/O - Ethernet relays, inputs, temperature/humidity

X-310 features 4 Digital Inputs, 4 Relays, 4 Temperature/Humidity sensor Inputs, and a built-in web-server that allows remote access from many devices along with infinite control and monitoring possibilities.


Power Requirements

  • Voltage:
    • X-310-I: 9-28VDC
    • X-310-24I: 9-28VDC
    • X-310-E: POE Class 1 (0.44 to 3.84 Watt) or 5V±5%
    • X-310S-I: 9-28 VDC
    • X-310S-E: POE Class 1 (0.44 to 3.84 Watt) and/or 9-28VDC
  • Max Current: 372mA Max

Relay Contacts

  • Number of Relays: 4
  • Max Voltage: 28VAC, 24VDC
  • Max Current: 1A
  • Contact Type: SPST (Form 1A)
    All Relays have a shared common
  • Load Type: General Purpose
  • Contact Resistance: < 100 milliohms initial
  • Contact Material: AgNi
  • 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)

Digital Inputs

  • Number of Inputs: 4
  • Type: Non-Isolated
  • Voltage Range:
    • X-310-I: 4-12VDC
    • X-310-24I: 11-26VDC
    • X-310-E: 4-12VDC
    • X-310S-I: 4-26VDC
    • X-310S-E: 4-26VDC
  • Current:
    • X-310-I: 4.7-25mA
    • X-310-24I: 4.7-25mA
    • X-310-E: 4.7-25mA
    • X-310S-I: 950uA @ 4V, 8.5mA @ 26V
    • X-310S-E: 950uA @ 4V, 8.5mA @ 26V
  • Minimum Hold Time: 20ms
  • Input Functions: Monitor State, Control Relays, Control Remote Relays, Scalable Counter (Inputs 1 & 2), High Timer
  • Maximum Count: 32-bit
  • Max Count Rate: 25Hz Max (Dependent on Configuration)
  • Edge Trigger: Rising, Falling or Both

Temperature Sensors

  • Maximum Number of Sensors: 4
  • 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: Monitor Temperature, Log Temperature, Email Alerts, SNMP Traps
  • Humidity Type: Xytronix Model X-DTHS-WM wall mount sensor
  • 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, External Variables, Relay State, and Counters
  • Backup Duration: 3 days minimum


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


  • Power, Outputs, and Inputs: 14-Position, 3.81mm, Removable
  • Network: 8-pin RJ-45

LED Indicators

  • Number of LEDs: 7
    • Power on
    • Relay coil energized 1-4
    • Network linked
    • Network activity


  • Operating Temperature: -40°F to 150°F (-40°C to 65.5°C)
  • Size:
    • 1.41in (35.7mm) wide
    • 3.88in (98.5mm) tall
    • 3.1in (78mm) deep (not including connector)
  • Weight: 5 oz (142 grams)
  • Enclosure Material: Lexan 940 Polycarbonate Plastic
  • Enclosure Flame Rating: UL94 V0


  • HTTP, HTTPS, SSL, XML, Modbus TCP/IP, SNMP, SMTP, Remote Services
  • (HTTPS and SSL supported by X-310S only)


  • Log File Size: 512K (max 28,829 logs)
  • Storage: Nonvolatile Flash
  • Buffer Architecture: Circular Buffer
  • Log data can be periodically read and stored on a computer

Advanced Features

  • BASIC interpreter
  • Remote services
  • Avoid most firewall issues with outbound connection to Web Services

Password Settings

  • Password protection on setup page: Yes
  • Password protection on control page: Optional
  • Password Encoding: Base 64
  • Max Password Length: 13 Characters

Electromagnetic Compliance

  • IEC CISPR 22, CISPR 24
  • EU EN55024, EN55022
  • X-310S-I: FCC 47CFR15 (Class B)
  • X-310S-E: FCC 47CFR15 (Class A)

Product Safety Compliance

  • UL 61010-1 (Electrical Equipment for Measurement, Control, and Laboratory Use)
CE listed RoHS compliant Made in the USA

More Information


Where to Buy

Click "Buy Online" to view part numbers and pricing. X-310 is available in the USA and internationally, and can be purchased either from us or an Authorized Distributor.

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