Autonics TX4S-B4R RS485 Modbus PID LCD Display Temperature Controller

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  • 10-19 Pieces
  • 20-49 Pieces
  • >=50 Pieces
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Shipping fee:
Depends on the order quantity.
Lead Time:
10 day(s) after payment received
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Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Model Number:
Temperature Controller
Temperature range:
1 Year
Power supply:
100-240VAC~ 50/60Hz
DIN W48*H48mm
Display method:
4-digit 11-segment LCD
Control method:
ON/OFF control, P, PI, PD, PID control
Input specification:
Thermocouple/RTD: DPt100Ω, Cu50Ω
Sampling cycle:
Control output:
Relay(250VAC~ 3A)

Packaging & Delivery

Selling Units:
Single item
Single package size: 
7X5X5 cm
Single gross weight:
0.136 kg
Package Type:
1)Standard packaging:Carton(package charge free) 2)As your request(additional packing charge ) RS485 Modbus PID LCD Display Temperature Controller
Picture Example:
Lead Time :
Quantity(Piece) 1 - 50 >50
Est. Time(days) 10 To be negotiated
Product Description

Autonics TX4S-B4R RS485 Modbus PID LCD Display Temperature Controller




Display method4-digit 11-segment LCD
Control methodON/OFF control, P, PI, PD, PID control
Input specificationThermocouple: K(CA), J(IC), T(CC), R(PR), S(PR), L(IC)
RTD: DPt100Ω, Cu50Ω
Sampling cycle50ms
Control outputRelay(250VAC~ 3A)
Option outputAlarm 1/2, RS485 comm.
Power supply100-240VAC~ 50/60Hz
Protection structureIP50(front panel)
Approval  CE UL 
Display accuracy_RTD•At room temperature(23℃±5℃):(PV ±0.3% or ±1℃, select the higher one) ±1-digit
•Out of room temperature:(PV ±0.5% or ±2℃, select the higher one) ±1-digit
Display accuracy_Thermocouple•At room temperature(23℃±5℃):(PV ±0.3% or ±1℃, select the higher one) ±1-digit
•Out of room temperature:(PV ±0.5% or ±2℃, select the higher one) ±1-digit
Hysteresis(adjustable sensitivity)1 to 100℃/℉(0.1 to 50.0℃/℉) variable
Proportional band0.1 to 999.9℃/℉
Integral time0 to 9999 sec
Derivative time0 to 9999 sec
Control period0.5 to 120.0 sec
Manual reset0.0 to 100.0%
Environment_Ambient temperature-10 to 50℃, storage: -20 to 60℃
Environment_Ambient humidity35 to 85% RH, storage: 35 to 85% RH
Insulation typeDouble insulation or reinforced insulation(mark: , dielectric strength between all terminals and case: 3kV)
WeightApprox. 135.2g(approx. 85.2g)
Product Features

  • Large LCD display with easy-to-read white PV characters
  • 50ms high-speed sampling rate and ±0.3% display accuracy
  • Switch between current output and SSR drive output
  • SSR drive output (SSRP function) control options : ON/OFF control, cycle control, phase control
  • Communication output model available : RS485 (Modbus RTU)
  • Parameter configuration via PC (RS485 communication) : DAQMaster software included (comprehensive device management software)
  • Compact, space-saving design with 45mm depth : 30% rear-length size reduction compared to similar-sized (48×48mm) models from Autonics

    Terminal protection cover sold separately : RSA-COVER

Company Information

Product Application


Our Services



 1. We can accept OEM and ODM     

 2. Generally 5-10 working days if the goods are in stock, or 10-20 working days with large       quantity or customization  

 3. Professional goods packaging and shipping                                                                     4. Support multiple payment terms (T/T, e-Checking, L/C, Western Union, Online Trade           Assurance)   

 5. The warranty period is 18 months

 6. As for the installation, no hesitation to contact us at any time

 7. We have 24 hours online service 

 8. Welcome to visit our factory at any time


Packaging & Shipping




Q1. Can I get some samples?

A1: Yes, sample order is available for quality check and market test.

Q2. What’s the price terms you can offer for us?

A2: We can accept EXW, FOB, CIF and so on.

Q3. What’s the delivery time?

A3: It usually takes about 3-5 working days for stock and 10-15 days for large quantity.

Q4. What’s your payment terms?

A4: We usually accept all kinds of payment terms. Such as T/T, L/C, Western Union, PayPal.

Q5. What’s your warranty time?

A5: We offer 18 months warranty time.

Q6. How does your factory do the quality control?

A6: Quality is priority. We always attach the importance to quality control from the beginning to the end of the production. Every product will be fully assembled and carefully tested before packing and shipping.

Q7. What is the standard of package?

A7: Export standard package or special package according to customer requirement 

Q8. What kind of certificate you have?


Q9. Where is your main market for your products?

A9: Most of our products are exported to Southeast Asia, Africa and Mid East.

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