PARAMETER

MODEL

UNIT

TEC207L

TEC207

TEC215L

TEC215

Supports Sensors

NTC

PT1000/PT100

Measurable Temperature Range

-200~800

°C

Temperature Sensitivity

0.001

0.0001

0.001

0.0001

°C

Temperature Measurement Drift Caused

by Ambient Temperature

0.0001

°C/°C

Optimal Temperature Control Stability

(related to the overall system)

±0.01

±0.001

±0.01

±0.001

°C

Communication Method

485 Serial Port (supports Modbus and ASCII communication protocols)

Power Supply Voltage Range (DC)

7~24

V

Output Polarity

Bipolar、Unipolar

Number of Channels

2

Maximum Output Voltage

Settable

Output Current Range

(SSR: Solid State Relay)

±7A each channel

±15A each channel

0-±80A/SSR

A

Output Current Limit

±10A

±20A

A

Operating Ambient Temperature

-55~60

°C

Operating Ambient Humidity

0~98

%RH

Thermal Dissipation Requirements

No Additional Thermal Dissipation Needed Within Rated Operating Range

Circuit Board Overheat Protection

Yes

Power Loss Memory

Yes

PID Parameters

User Adjustable

Dimension

94.3*79.5*20.5

mm

Weight

≈240

g

Pin Name

Pin Type

Pin Definition (High Level: 3.3V, Low Level: 0V)

①

ENABLE

Input

Thermostat Enable Terminal. High Level: The thermostat can output normally; Low Level: The thermostat is not allowed to output.

STATE

Output

Thermostat Overtemperature Alarm Signal Output. High Level: (1) The thermostat's own temperature is greater than its overtemperature threshold; (2) The temperature of sensor 1 or 2 exceeds their respective high and low threshold ranges. Low Level: No overtemperature anomaly.

GND

Input

Power Supply Input Negative (Low Current)

②

VIN

Input

Power Supply Input Positive (Low Current).

485A

Output

RS485 Signal Line A. Data Bits: 8 bits, Stop Bits: 1 bit, Parity: None, Baud Rate: 9600.

485B

Output

RS485 Signal Line B. Data Bits: 8 bits, Stop Bits: 1 bit, Parity: None, Baud Rate: 9600.

GND

Input

Power Supply Input Negative (Low Current).

③

TXD

Output

Serial Port Transmitter, TTL Level, used for connecting to PC control software. Data Bits: 8, Stop Bit: 1, Parity: None, Baud Rate: 38400.

RXD

Input

Serial Port Receiver, TTL Level, used for connecting to PC control software. Data Bits: 8, Stop Bit: 1, Parity: None, Baud Rate: 38400.

GND

Input

Power Supply Input Negative (Low Current).

④

TEC1+

Output

The positive terminal of the temperature control current output is typically connected to the positive terminal of the Thermoelectric Cooler (TEC).

TEC1-

Output

The negative terminal of the temperature control current output is usually connected to the negative terminal of the Thermoelectric Cooler (TEC).

⑤

VIN

Input

Power Input Positive Pole, with an input voltage range of 7 to 24V.

GND

Input

Power Supply Input Negative (High Current).

⑥

TEC2+

Output

The positive terminal of the temperature control current output is typically connected to the positive terminal of the Thermoelectric Cooler (TEC).

TEC2-

Output

The negative terminal of the temperature control current output is usually connected to the negative terminal of the Thermoelectric Cooler (TEC).

⑦

1k

Input

Platinum Resistance Thermometer (Pt1000) Interface (Please contact Technical Support before purchase).

COM

Input

Common Interface for Platinum Resistance Thermometer (Pt1000) and NTC Thermistor.

10k

Input

Thermistor (NTC) Interface.

⑧

1k

Input

Platinum Resistance Thermometer (Pt1000) Interface (Please contact Technical Support before purchase).

COM

Input

Common Interface for Platinum Resistance Thermometer (Pt1000) and NTC Thermistor.

10k

Input

Thermistor (NTC) Interface.

⑨

PWM1

Output

Solid State Relay Input Terminal 1

PWM2

Output

Solid State Relay Input Terminal 2

GND

Input

Power Supply Input Negative (Low Current)

PWM3

Output

Solid State Relay Input Terminal 3

PWM4

Output

Solid State Relay Input Terminal 4

GND

Input

Power Supply Input Negative (Low Current)

⑩

VCC

Output

Buzzer Alarm Positive. Outputs high level when there is an error in temperature control.

GND

Output

Buzzer Alarm Negative.