1/16 DIN PID Temperature Controller, 12~24V AC/DC


  • Model: SYL-23X2-24


    Please Choose:

Product Description:

Note: SYL-23X2-24 is a low voltage version PID controller, and it can only be powered by 12~24V AC/DC. For 110/240V power supply option, please check here

This controller can be used to control external relay/contactor, solid state relay (SSR), or control a small AC load directly. Please check the details for “model selections” below, and choose the desired Controller Output Option accordingly. 

PID Temperature Controller

This is a dual display 1/16 DIN size (1.89x1.89" or 48 x 48 mm) temperature/process controller. Common applications of this controller include temperature control of industrial equipment, laboratory equipment, espresso machines, beer brewing systems, BBQ grills/smokers, heat treatment ovens, glass kilns, and aquariums.
The controller uses an advanced artificial intelligent enhanced PID algorithm that can handle systems that are usually sluggish/difficult to control when controlled by a traditional PID controller. In most cases, the controller will hold the temperature within a reasonable range of the default PID parameters. The auto-tune feature will improve control accuracy and stability within one degree of accuracy. In most cases, there is no need for the user to toggle the confusing PID parameters in order to get the system stabilized.
This high precision, full featured industrial grade controller supports more than twenty different input devices that cover almost every possible application requirement. Two alarm outputs can be activated by more than 10 situations. All the control and setting parameters are stored in the non-volatile memory even when the controller is powered off. Recently, we added an advanced cold junction compensation circuit to further reduce the temperature drift when the thermocouple sensor is used. 


  • PID control with fuzzy logic enhancement for outstanding stability control
  • 0.2% accuracy over the entire input range
  • Displays in either Fahrenheit or Celsius temperature unit
  • Percent output indication for easy troubleshooting of the system
  • Supports both heating and cooling mode,
  • Built-in 10 A relay output with both NC and NO contacts
  • Auto/manual control with bump less transfer
  • Dual alarm outputs with 10+ activation methods/situation
  • Selectable security access levels
  • High brightness, large LED display - easily read from distance
  • Manual, technical support and 90-days warranty

Model Selection

We offer three models in this series: SYL-2342-24, SYL-2352-24, and SYL-2372-24. Please read the description below to choose the correct model for your application. 

SYL-2342-24 (relay/contactor output)

This model has built-in relay can handle 10 A of current at 120VAC. That means 1200 watts of load can be connected directly to the controller without the need of an external relay or SSR. That is a very convenient for applications in which only a small heater is used. It can also be used to drive external relays or contactors.  It supports 17 different types of input devices that can be set by the user from keypad.

SYL-2352-24 (SSR output)

This model has 12 VDC output for controlling external solid state relays (SSR).

SYL-2372-24 (built-in SSR output)

Originally designed for the Traeger control. This unit has a built-in zero-crossing solid state relay (SSR) that can handle 2 Amp of load. The zero-crossing switching feature will avoid the noise caused by inductive load. It makes the controller more stable than the controller with relay contact output (SYL-2342-24) when switching inductive loads such as a contractors, solenoid valves, or small motors. Please note that the build-in SSR can only drive AC loads; it can NOT drive DC loads or DC signal triggered AC SSR. It can NOT handle more than 300W loads (at 110VAC) either.

Main Specifications

  SYL-2342-24 SYL-2352-24 SYL-2372-24
Input type TC: K, E, S, WRe, J, T, B, N
RTD: Pt100, Cu50, 0-80 ohm, 0-400 ohm.
DC voltage: 0~20 mV, 0-100 mv, 0~5V, 1~5V, 0~1V, -100~100mV, -20~20mV, -5~5V, 0.2~1V.
DC current: 4~20mA.
Input range K (-60~2300ºF), S (-60~3100ºF), WRe (32~4150ºF), T (-330~660ºF), E (32~1500ºF),
J (32~1800ºF), B (32~3300ºF), N (32~2400ºF)Pt100 (-320~1100ºF), Cu50 (-60~300ºF)
Linear input: -1999~+9999 defined by user
Display Two lines, Four digits. °F or °C.
Display Resolution 1°C and 0.1 °C. or 1°F
Accuracy ±0.2% or ±1 unit of full input range
Control mode Fuzzy PID, On-Off, Manual control
Output mode Relay w/ NO and NC
contacts: 7A at 240VAC,
10A at 120VAC, or 10A at 24VDC
12 VDC for external SSR control Built-in 2A SSR with zero-
crossing switching 20-240VAC
Alarm Process high/low alarm, deviation high/low alarm
Alarm output Relay contact (Resistive): 1A at 240VAC, 3A at120VAC, or 3A at 24VDC
Power supply
voltage rating
12~24V AC/DC
Dimension 1.89 x 1.89 x 3.88", or 48 x 48 x 100 mm (1/16 DIN)

Default setting:

Input sensor: K type thermocouple (sensor not included)
Display Unit: Fahrenheit (°F)
Display resolution: 1 degree
Alarm 1: Deviation low
Alarm 2: Deviation high

Click the link below to download the instruction manual:
SYL-2342 (85~264V AC): Manual
SYL-2352 (85~264V AC): Manual
SYL-2372 (85~264V AC): Manual


Current Reviews: 1

This product was added to our catalog on Tuesday 31 May, 2016.

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