• Built-in web server for setup and remote relay control from a web-browser.
• No special software or device drivers required.
• XML status and control page makes communications with custom software interfaces simple.
• Can operate as a Modbus/TCP slave device.
• Four independent, 28VAC, 24VDC, 3A relays SPDT (Form 1C).
• ON/OFF or Pulse relay modes.
• Rugged, compact enclosure can be DIN-Rail or Wall mounted.
• Includes a 2-piece (14-pin) industrial terminal connector that makes connections convenient.
• Power supply options:
• POE Class 1 (0.44 to 3.84 Watt) or 5V±5%.

Specifications:

Power Requirements

• Voltage:
• X-WR-4R3-E: POE Class 1 (0.44 to 3.84 Watt) or 5V±5%
• Max Current:
• X-WR-4R3-E: 477mA Max

Relay Contacts

• Number of Relays: 4
• Max Voltage: 28VAC, 24VDC
• Max Current: 3A
• Contact Type: SPDT (Form 1C)
• Load Type: General Purpose
• Contact Resistance: < 50 milliohms initial
• Contact Material: AgSnO2
• Electrical Life: 100K cycles (Typical)
• Mechanical Life: 10M cycles (Typical)
• Environmental Rating: Over voltage Category II, Pollution Degree 2
• Relay Modes: ON/OFF or Pulse
• Pulse Timer Duration: 0.1 to 86,400 Seconds (1-day)

Network

• Type: 10/100 Base-T Ethernet Port
• Setup: Static IP address assignment. TCP port selectable

Connectors

• Power & Relays 1-4: 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

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

Protocols

• HTTP, XML, Modbus TCP/IP

Password Settings

• Password protection on setup page: Yes
• Password protection on control page: Optional
• Password Encoding: Base 64
• Password Length: 10 Characters

Electromagnetic Compliance

• IEC CISPR 22, CISPR 24
• EU EN55024, EN55022
• X-WR-4R3-E: FCC 47CFR15 (Class A)

Product Safety Compliance

• UL 61010-1 (Electrical Equipment for Measurement, Control, and Laboratory Use)