ControlByWeb
X-420 | Web-Enabled Instrumentation-Grade Data Acquisition

The X-420 features 4 Analog-to-Digital Inputs, 2 Digital I/O, up to 16 1-Wire Sensors (temp/humidity), Frequency Input, and a built-in web-server for remote access anywhere in the world!

Specifications

Power Requirements

  • Voltage: 9-28 VDC
  • Max Current: 175mA Max (2-Digital I/O=On, no 1-wire sensors. See users manual for typical values at 25°C)

Output Mode

  • Logic output to external controllers 5V high through 49.9 Ohm resistor

Digital Inputs

  • Number of Inputs: 2 (configurable)
  • Type: Non-Isolated
  • Voltage Range: 0-5VDC
  • Current: Switchable 47K Pullup/Pulldown
  • Vin Hi (Min): 3.5V
  • Vin LO (Max): 1.5V
  • Debounce: 0 to 250mS (configurable)
  • Minimum Hold Time: 1ms
  • Number of Counter Inputs: 0-2 (configurable)
  • Max Count Rate: 200Hz Max
  • Input Functions: Monitor State, Control Digital I/O, Control Remote Relays, Scalable Counter, On Timer, Total On Timer, Frequency
  • Edge Trigger: Rising, Falling or Both

Frequency Input

  • Type: AC coupled, sine or square wave (works with millivolt magnetic wind speed sensors)
  • Input Voltage: 20Vpp max
  • Hysteresis: 25mV
  • 0-20 kHz input frequency
  • Sine or Square Wave
  • 1 second average
  • Minimum input level:
Input FrequencyMin Vin
Vin @ 1 Hz50mVpp
Vin @ 10 Hz50mVpp
Vin @ 100 Hz60mVpp
Vin @ 1 kHz80mVpp
Vin @ 10 kHz700mVpp
Vin @ 20 kHz1.7Vpp min

Analog Inputs

  • Number of Inputs: 4
  • Resolution: 16-bit, SAR
  • Type: Single-ended, differential, 4-20mA (0-20mA), or a combination
  • Input Range: ±1.28V, ±2.56V, ±5.12V, ±10.24V
  • Max Input Voltage (Vin): -12.5V < Vin < +12.5V
  • Input Impedance (Zin): > 500Meg Ohm
  • Channel Off Leakage: ±0.6nA (typ)
  • Input Common Mode Rejection: >100dB
  • Total Unadjusted Error: -9LSB (min), +9LSB (max)
  • Voltage Reference Drift: ±5 ppm/°C
  • Internal 4-20mA input shunt: 200-ohm, ±0.1%, 25ppm (uses ±5.12V range)
  • Logging Rate: 25 Hz

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: Monitor Temperature, Control Digital I/O, Control Remote Relays, Log Temperature, Email Alerts
  • Humidity Type: Xytronix Model X-DTHS-P sensor
  • Humidity Range: 0-100% RH
  • Accuracy: ±2%
  • Max Cable Length: 600 feet (180m) maximum combined cable length

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, 2 Digital I/O
  • Backup Duration: 2 week minimum

Network

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

Connectors

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

LED Indicators

  • Number of LEDs: 5
    • Power on
    • I/O (1-2)
    • Network linked
    • Network activity

Physical

  • 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 g)
  • Enclosure Material: Lexan 940 Polycarbonate Plastic
  • Enclosure Flame Rating: UL94 V0

Protocols

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

Logging

  • Log File Size: 3,072K (up to 50,688 log entries depending on configuration)
  • Storage: Nonvolatile Flash
  • Buffer Architecture: Circular Buffer
  • Log data can be periodically read and stored on a computer

Advanced Features

  • Task Builder
  • BASIC interpreter
  • Remote services

Password Settings

  • Password Length: 6-18 Characters

Electromagnetic Compliance

  • IEC CISPR 22, CISPR 24
  • EU EN55024, EN55022
  • X-420-I: FCC 47CFR15 (Class B)
  • X-420-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

Manuals

Where to Buy

Click "Buy Online" to view part numbers and pricing. X-420 is available in the USA and internationally, and can be purchased either from us or an Authorized Distributor.

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