• 4 relays
• 4 digital inputs
• Monitor up to 16 temperature/humidity sensors
•  Peer to Peer communication
• Conditional tasks
• Scheduled tasks
• Advanced logic
• Logging
• Graphing
• Monitor and control page
• User permissions
• Automatic reboot devices

Power Requirements

• POE or 9-28 VDC 
• Max Current: 240mA

Relay Contacts

• Number of Relays: 4
• Max Voltage: 28VAC, 24VDC
• Max Current: 1A
• Contact Type: SPST (Form A)
• Load Type: General Purpose
• Contact Resistance: 1 milliohm max
• 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: Optically-Isolated
• Voltage Range: 4-26VDC
• Current: 950uA @ 4V, 8.5mA @ 26V
• Minimum Hold Time: 20ms
• Input Functions: Monitor State, Control Relays, Control Remote Relays, Scalable Counter, On Timer, Total On Timer, Frequency
• Maximum Count: 24-bit
• Max Count Rate: 200Hz Max (Dependent on Configuration)
• Edge Trigger: Rising, Falling or Both

Temperature Sensors

• Maximum Number of Sensors: 16
• Type: Digital 1-Wire (Maxim Semiconductor DS18B20)
• Temperature Range: -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-P sensor
• Humidity Range: 0-100% RH
• Accuracy: ±2%
• Max Cable Length: 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, 4 Relay States
• 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: 11
• Power on
• Relay coil energized 1-4
• Digital Inputs 1-4
• Network linked
• Network activity

Physical

• Operating Temperature: -40°C to 65.5°C
• Size: 35.7x98.5x78 (WxHxD mm)
• Weight: 142 grams
• 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: 512K (up to 8,448 logs)
• Storage: Nonvolatile Flash
• Buffer Architecture: Circular Buffer
• Log data can be periodically stored on a computer via FTP or email.

Advanced Features

• Task Builder
• BASIC interpreter
• Remote services