Because the system is modular and scalable, you only pay for what you need. You can stack the EZ-Zone ST integrated thermal loop into multiple configurations giving you the flexibility to standardize on the product's platform to solve your wide range of application needs.

Features and Benefits

• Back panel or DIN-Rail mount - provides several mounting options.
• Compact package - reduces panel size.
• Touch-safe package - complies to IP2X which increases safety for user.
• +/- 0.1 Percent temperature accuracy - provides efficient and accurate temperature control.
• Agency approvals: UL, CSA, CE, RoHS, WEEE - Meets applications requiring agency approvals.
• EZ-Zone ST P3T Armor Sealing System Remote User Interface (RUI) -
  • Complies to NEMA 4X, UP65 RUI.
  • Offers water and dust resistance, can be cleaned and washed down.
• Three-year warranty - demonstrates Watlow's reliability and product support.
• Off the shelf designed system solution
  • Improves system reliability and termination reduction.
  • Reduces installation cost
  • Eliminates compatibility headaches often encountered with using many different components and brands.
• Advanced controllability algorithms - offers TRU-TUNE+ for meeting demanding controllability requirements.
• Profile capability - Includes ramp and soak with four files and 40 total steps.
• Solid state relay output - Allows faster cycling, more precise control, increased heater life and energy efficiency.
• PID temperature control
  • Provides accurate temperature control
  • Allows single input/dual output
  • Allows standard PID or advanced PID tuning algorithms
• Optional 485 Modbus RTU communication - Allows network connectivity to PC or PLC.
• Optional temperature limit - Increases safety in under/overtemperature condition
• Optional definite purpose mechanical contactor - Enables circuit safety shut down driven by limit control or PID alarm output signal
• Optional current monitoring feature - Detects heater current flow and alarm indication of failed Solid State Relay (SSR) or heater zone.
• Optional Remote User Interface (RUI)
  • Use one RUI for multiple zone solutions to save costs
  • Fits in small places due to shallow panel depth
  • Eliminates costs and complexity of having to bring all controller related wires to front panel area
  • Enables use of multiple remote user interfaces to improve usability of system
• Optional SSR heat sink
  • Sized and engineered for specific applications
  • Factory supplied heat sink provides UL listed benefits
• System diagnostics - Provides continuous self-monitoring alerts when there is any system trouble to reduce maintenance and system costs
• PC Software - EZ-Zone ST Configurator
  • Wizard style configuration of controller settings
  • On-line or off-line recipe editing

Specifications

• Line Voltage/Power
  • 100 to 240V (AC), +1-/-15 percent; (85-264V (AC)), 50/60 Hz, +/- 5 percent.
  • 24V (AC/DC), +10/-15 percent; 50/60 Hz, +/- 5 percent.
  • 12 VA maximum power consumption without mechanical contactor in system
  • 50 VA maximum power consumption with mechanical contactor used in system, 140VA if using external contactor
  • Data retention upon power failure via nonvolatile memory
• Environment
  • -18 to 70 C (0 to 149 F) operating temperature
  • -40 to 85 C (-40 to 185 F) storage temperature
  • 0 to 90 percent RH, non-condensing
• Accuracy
  • Calibration accuracy and sensor conformity: +/- 0.1 percent of span, +/- 1 deg C at the calibrated ambient temperature and rated line voltage.
  • Types R, S, B; 0.2 percent
  • Type T below -50 C; 0.2 percent
  • Calibration ambient temperature at 25 deg C +/- 3 deg C
  • Accuracy span: 540 deg C (1000 F) minimum
  • Temperature stability: +/- 0.1 C/C (+/- 0.1 F/F) rise in ambient maximum
• Agency approvals
  • UL, CSA, CE, IP65/NEMA 4X indoor use RUI, RoHS, WEEE
  • Limit version features FM approval
• Controller
  • Microprocessor based user selectable control modes
  • PID module: Single universal input, 2 outputs
  • Limit module: Single universal input, 2 outputs
  • Two total additional digital input/outputs shared between PID and limit functions
  • Control sampling rates: input = 10 Hz, outputs = 10 Hz
  • Isolated EIA 485 Modbus RTU serial communications
• Wiring Termination - Touch Safe Terminals
  • Input, power and controller output terminals touch safe removable 12 to 22 AWG
  • Power load terminals 6 to 12 AWG
  • Tightening torque: 30 in.-lbs.
• Universal Input
  • Thermocouple, grounded or ungrounded sensors
    • 20 MΩ source resistance
    • Maximum of 20Ω source resistance
  • RTD 2- or 3-wire, platinum, 100Ω and 1000Ω @ 0 C calibration to DIN curve (0.00385 Ω/Ω/C)
  • Process, 0-20 mA @ 100Ω, or 0-10 V (DC) @ 20 kΩ input impedance; scalable, 0-50 mV
  • Inverse scaling
• Digital Input
  • Update rate 1 Hz
  • Dry contact or DC voltage
  • DC Voltage
    • Maximum input 36V at 3 mA
    • Minimum high state 3V at 0.25 mA
    • Maximum low state 2V
  • Dry contact
    • Maximum short circuit 13 mA
    • Minimum open resistance 500Ω
    • Maximum closed resistance 100Ω
• Current Measurement
  • Accuracy +/- 15 percent of displayed value
  • Accuracy range 5 to 50A
  • Operating range 2 to 50A
• Digital Output
  • Update rate 1 Hz
  • Output voltage 24V, current limit 10 mA
• Allowable Operating Range
  • Type J: 0 to 815 C, 32 to 1500 F
  • Type K: -200 to 1370 C, -328 to 2500F
  • Type T: -200 to 400 C, -328 to 750F
  • Type N: 0 to 1300C, 32 to 2372 F
  • Type E: -200 to 800 C, -328 to 1470 F
  • Type C: 0 to 2315 C, 32 to 4200 F
  • Type D: 0 to 2315 C, 32 to 4200 F
  • Type F: 0 to 1395 C, 32 to 2543 F
  • Type R: 0 to 1760 C, 32 to 3200 F
  • Type S: 0 to 1760 C, 32 to 3200 F
  • Type B: 0 to 1816 C, 32 to 3300 F
  • RTD (DIN): -200 to 800 C, -328 to 1472 F
  • Process: -1999 to 9999 units
• Output Hardware
  • User selectable for heat/cool as on-off, P, PI, PD, PID, or alarm action. Not valid for limit controls
  • Electromechanical relay. Form A, rated 2A
  • SSR drive 20-28V (DC) low side open collector switch
  • SSR, Form A, 0.5A @ 24V (AC) minimum, 264V (ac) maximum, opto-isolated, without contact suppression.
  • Electromechanical relay, Form A, rated 5A, auxiliary output on PID module, output 2
  • Electromechanical relay, Form C, rated 5A, auxiliary output on limit module, output 3

Specifications for Basic Remote User Interface (RUI)

• Operator Interface
  • Dual 4 digit, 7 segment LED displays
  • Forward, backward, up and down keys plus a customer programmable function key
  • Typical display update rate 1 Hz
  • Agency approved to IP65/NEMA 4X
• Line Voltage/Power
  • 100 to 240V (AC), +10/-15 percent; (85-264V (AC)), 50/60 Hz, +/- 5 percent
  • 24V (AC/DC), +10/-15 percent; 50/60 Hz, +/- 5 percent

Specifications for Mechanical Contactor

• Insulation class: UL class B 130 C (266 F)
• Minimum load of 100 watts
• Duty cycle: continuous
• Contact Ratings:

  Full Load Amps	Number Of Poles	Line Voltage	Locked Rotor Amps	Resistive Amp Rating	Maximum Horsepower
  40	2	240/277	240	50	120V 1 Ph 2 HP
  		480	200	50	240V 1 Ph 3 HP
  		600	160	50