TZ4ST-24C Autonics Temperature Controller
Autonics TZ4ST-24C PID Temperature Controller (48×48 mm, 24 V AC/DC, 4–20 mA / SSR Output)
The Autonics TZ4ST-24C is a compact 48×48 mm PID temperature controller powered by 24 V AC/DC.
It offers selectable 4–20 mA current or SSR drive output, ideal for thyristor and SSR-based heater control.
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The Autonics TZ4ST-24C is a 48 × 48 mm DIN-size PID temperature controller designed for applications requiring a 24 V AC/DC power supply. It supports thermocouple and RTD inputs and provides selectable current output (4–20 mA / 0–20 mA) or SSR drive output, allowing seamless integration with thyristor power controllers, SSRs, and PLC systems.
The TZ4ST series is widely used in OEM automation panels due to its compact size, stable PID control, and flexible output options.
Key Features
Compact 48 × 48 mm DIN panel size
24 V AC/DC power supply
Stable PID temperature control
Supports thermocouple & RTD inputs
Selectable control output:
DC 4–20 mA / 0–20 mA
SSR drive output
ON/OFF, P, PI, PD, PID control modes
Auto-tuning for consistent control
Clear LED display for PV/SV
Designed for continuous industrial operation
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | PID Temperature Controller |
| Model | TZ4ST-24C |
| Series | TZ4ST |
| Panel Size | 48 × 48 mm |
| Display Type | LED (7-segment) |
| Sensor Input | Thermocouple / RTD |
| Control Output | 4–20 mA or SSR Drive (Selectable) |
| Current Output | 4–20 mA / 0–20 mA |
| SSR Drive Output | 12 VDC ±2 V |
| Alarm Output | 1 Relay Alarm |
| Control Modes | ON/OFF, P, PI, PD, PID |
| Sampling Rate | ~100 ms |
| Accuracy | ±0.3% FS |
| Power Supply | 24 VAC / 24 VDC |
| Operating Temperature | −10 to +50 °C |
| Mounting | Panel Mount |
Applications
Thyristor-based heater control
SSR-controlled heating systems
Plastic processing machines
Packaging and sealing machines
Industrial ovens and heaters
OEM automation control panels
What’s in the Box?
Autonics TZ4ST-24C Temperature Controller
Panel mounting brackets
Instruction manual
FAQ
Q1. What does “24C” indicate in TZ4ST-24C?
“24” indicates a 24 V AC/DC power supply, and “C” indicates current or SSR drive output.
Q2. Can this controller be used with a thyristor power controller?
Yes. The 4–20 mA output is suitable for thyristor units.
Q3. Which sensors are supported?
Supports thermocouples (K, J, T, E, etc.) and Pt100 RTD sensors.
Q4. Does it support PID auto-tuning?
Yes. Built-in PID auto-tuning is provided.
Q5. What is the panel cut-out size?
Standard 45 × 45 mm cut-out for 48 × 48 mm controllers.