X-420™ | Specifications

Power Requirements

• Voltage: 9-28 VDC
• X-420-E: POE and/or 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):
• Vin LO (Max):
• 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)
• Max Input Voltage: ±12 VDC, 30Vpp AC
• Hysteresis: 25mV
• 0-20 kHz input frequency
• Sine or Square Wave
• 1 second average
• Minimum input level:

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, 4-20mA
• 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: Digital 1-Wire (Maxim 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 terminal spacing, Removable. For 16-28 AWG wire.
• Network: 8-pin RJ-45