Data sheet

WX4

  • 4-Channel Controller

  • 4-20mA or Bridge Sensor Inputs

  • Programmable Relays

  • RS-232/485 ModBus

  • Wireless Options

  • Graphical Display

  • The WX4 controller is designed to offer reliability and functionality

  • Security mode allows for lockout of critical parameters

  • NEMA 4X/7 Enclosures

  • Non-volatile memory retains all configuration data

  • CSA Div 2 A,B,C,D and C22.2 No. 152 approved

Display:

LCD (128 x 64 pixel) with backlighting

Indicators:

Six discrete LEDs for three common alarm levels, fault, calibration mode, and keypad function

Interface Buttons:

Five buttons - dual touch key and magnetic (non-intrusive)

Inputs:

• Four channels (either 4x 4-20mA or 4x bridge sensor)
• 4-20mA inputs are into 100 ohm impedance and include +power for each channel for routing power to 2-wire or 3-wire transmitters
• Bridge sensor inputs allow for adjustable sensor excitation and balance settings
• Up to 4 channels can be received wirelessly from an OLCT 200 transmitter configured with a wireless package

Outputs:

Opt. 4-channel 4-20mA output (max load 800 ohms @24VDC)

Relays:

• Std. Two programmable 5amp, 30VDC or 250VAC resistive Form C
• Opt. Six programmable 5amp, 30VDC or 250VAC resistive Form C
• All relays are programmable and allow for voting based on the alarm state of each of the four channels

ModBus:

RS-232 or RS-485 ModBus RTU master or slave (9600 baud)

Power supply:

Std. 100-240 VAC / 24VAC 10W
Opt. 100-240 VAC / 24VAC 50W
Opt. 100-240 VAC / 24VAC 120W
Opt. Solar / Battery Power (see factory for availability)

Wireless:

• 900MHz or 2.4GHz FHSS (Frequency Hopping Spread Spectrum)
• 256-bit AES Encryption (meets FIPS-197)
• 10mW - 1W adjustable transmit power (900Mhz); 120mW (2.4GHz)

Operating Temp:

-25°C to 60°C

Humidity:

0% - 90% Relative Humidity; Non-Condensing