| | Alarm Mode | Action | |----------|-----------------------------------|--------------------------------------------------------------| | 0 | No alarm | Disabled | | 1 | High absolute alarm | Activates if PV > AL1 (e.g., over-temperature protection) | | 2 | Low absolute alarm | Activates if PV < AL1 | | 3 | Deviation high alarm (relative) | Activates if PV > SV + AL1 | | 4 | Deviation low alarm | Activates if PV < SV - AL1 | | 5 | Heater break alarm | Requires optional CT (current transformer) input |
| Terminal Label | Connect to | Note | | :--- | :--- | :--- | | | Power Supply (100-240V AC) | Do not connect DC power here unless specified. | | 3 & 4 | Relay Output (Heating) | Normally open (NO). Controls your heater contactor. | | 8 & 9 | Thermocouple (e.g., K-type) | Red wire is negative (usually Terminal 9). | | 8 & 10 | RTD (Pt100) | Use all 3 wires for accuracy. |
To prevent accidental changes, the manual describes parameter LOCK (usually code Lck inside the menu). Set Lck = 1 to lock all parameters except SV. Set Lck = 2 to lock everything, including SV.
[Normal Run State] │ ▼ ┌─────────────┐ │ Press SET │ ──► SV display window begins to blink └─────────────┘ │ ▼ ┌─────────────┐ │ Press ◄/▲/▼ │ ──► Shift to target digit; increment or decrement └─────────────┘ │ ▼ ┌─────────────┐ │ Press SET │ ──► Confirms values and returns to active run state └─────────────┘ xta-7000 temperature controller manual
Tighten the screws evenly until the controller is securely flush against the panel gasket. Terminal Configuration
Your primary interaction with the XTA-7000 is setting the SV (Set Value). Follow these steps from the manual:
Connect the main control output (SSR, Relay, or ) to the heating/cooling element contactor. Alarms: Connect the alarm outputs if needed. 3. Front Panel Interface and Operation The front interface is designed for rapid navigation. PV Display (Red): Displays the current temperature ( PVcap P cap V SV Display (Green): Displays the setpoint temperature ( SVcap S cap V | | 8 & 9 | Thermocouple (e
features a distinct, industrial panel-mount enclosure measuring . Its human-machine interface utilizes a dual-row LED setup: the upper red row registers the Process Value (PV) , while the lower green row tracks the Setting Value (SV) . Specification Details Measurement Accuracy ±0.5% Full Scale (FS) Sampling Cycle 0.5 Seconds Resolving Power 14-bit microprocessor sampling Temperature Range -1999 to 1999 units (configurable by sensor type) Operating Ambient 0 to 50°C; Humidity ≤is less than or equal to 85% RH (non-condensing) Power Consumption ≤is less than or equal to 4VA maximum load Input Support Universal (Thermocouples: J, K, S; RTDs: PT100) Control Outputs
To maintain operational longevity, install the controller strictly within its documented engineering limits. Refer to the core specifications verified by the Toolots Technical Document and the Plexishop Instruction Manual : XT -7000 TEMPERATURE CONTROLLER
The controller is designed for panel mounting. Ensure a secure fit, following the dimensions specified in the full XT-7000 technical manual . Wiring Connections Set Lck = 1 to lock all parameters except SV
The XTA-7000 layout features an explicit 96 mm x 96 mm square front panel assembly requiring a tight 92 mm x 92 mm clean cutout for clean panel integration. 2. Interface Layout and Button Functions
| | Possible Causes | Solution | | :--- | :--- | :--- | | Unit does not power on | No power; Blown fuse; Loose wiring | Check power supply; Check/replace the fuse; Verify all connections at the power terminals. | | HH on PV display | Sensor is open/broken (thermocouple or RTD); Incorrect sensor type selected; Measurement value is over range | Check the sensor’s continuity; Replace if faulty; Verify input type setting (e.g., K-type) matches the actual sensor connected. | | LL on PV display | Sensor is shorted or wired backwards; Measurement value is under range | Check for shorts; Verify RTD wiring is correct (A, B, B); Ensure the sensor is suitable for the temperature range. | | Large temperature overshoot | P band too small; Integral time (I) too short; Auto-tune needed | Increase the P band value; Increase the I value; Run the auto-tune function to optimize PID settings. | | Temperature oscillates constantly | Proportional band (P) too large; Hysteresis (Hy) too narrow | Decrease the P band; Increase the Hy value. | | System never reaches setpoint (offset) | Integral time (I) is too long or disabled; PID not active | Check that the controller is in PID mode (P>0); Decrease the I value; Run auto-tune. | | Reloading factory defaults | Incorrect settings causing unstable control | Typically, press and hold all three front keys (SET, ▲, ▼) simultaneously for a few seconds to reset to factory defaults. |
Whether you’re setting up a new temperature control system for a heat-treating oven, a plastic injection molding machine, a laboratory incubator, or a food processing line, having a clear and comprehensive understanding of the XTA-7000’s functionality is critical for achieving precise, stable, and reliable temperature management.
Before operating the XTA-7000, proper wiring is essential for safety and accuracy.
, breaking down its primary functions, installation procedures, programming steps, and troubleshooting tips so you can get the most out of your equipment. 1. Understanding the at a Glance