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TK4S-B4RN

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Autonics TK4S-B4RN is a 48 x 48 mm PID temperature controller with relay control output, dual alarms and RS485 communication.
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Technical specifications for TK4S-B4RN

  • Manufacturer:
    Autonics
  • Part Number:
    TK4S-B4RN
  • Product Family:
    Autonics
  • Product Type:
    High-Performance PID Temperature Controller
  • Stock:
    1
  • Display:
    4-digit 7-segment LED
  • Control Methods:
    ON/OFF, P, PI, PD and PID
  • Input Types:
    Thermocouple, RTD, voltage and current selections
  • Sampling Cycle:
    50 ms
  • Primary Output:
    Relay, 250 VAC at 3 A
  • Optional Inputs:
    Current transformer and digital input
  • Optional Outputs:
    Alarm 1, Alarm 2 and RS485
  • Power Supply:
    100-240 VAC
  • Front Protection:
    IP65
  • Weight:
    0.15 kg
  • Estimated shipping dimensions:
    4.8 x 4.8 x 7.05 cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    South Korea
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Selection Installation Service Product Applications

Features:

  • Fast loop evaluation: The controller supports responsive temperature regulation with configurable control modes.
  • Broad signal acceptance: Multiple sensor and analog input families can be assigned through the documented setup.
  • Integrated supervision: Two alarms and RS485 support local protection logic and remote monitoring.
TK4S-B4RN combines a compact panel format with control, alarm and communication functions for one process loop.

Its front display supports local observation while the rear terminals connect the documented panel circuits.

The FAQ owns suffix substitution, input diagnosis, communication, relay-load, alarm and output-count decisions.

Apter Power can help confirm the Autonics TK4S-B4RN High-Performance PID Temperature Controller, option code and loop interfaces before quotation.
Autonics TK4S-B4RN High-Performance PID Temperature Controller Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Condition statement: Require the quotation to identify new, surplus or repaired condition.
  • Panel envelope: Compare front size, body depth and terminal clearance with the existing opening.
  • Supply source: Confirm the panel supply is within the documented model range.
  • Evidence package: Retain the OEM order-code table and terminal drawing with the quotation.
  • Panel sealing: Seat the controller and bracket correctly to preserve the intended front protection.
  • Wiring separation: Route low-level conductors away from relay and power wiring.
  • Terminal labels: Keep every conductor tied to its documented terminal function.
  • Guarded energization: Restore the panel under the approved machine start-up procedure.
  • Front inspection: Record display, keypad and case condition before removal.
  • Terminal inspection: Look for looseness, heat damage or corrosion with power isolated.
  • Version record: Photograph the full suffix and visible production markings.
  • Maintenance history: Store replacement date and removed-unit identity with the machine file.
  • Packaging heaters: Regulates sealing or forming temperatures with local alarms.
  • Process ovens: Controls a thermal zone while reporting data over RS485.
  • Extrusion equipment: Provides compact loop control for barrel or die heating.
  • Laboratory machinery: Supports configurable sensor inputs and monitored temperature control.
Description
The configurable control modes of TK4S-B4RN allow its regulation strategy to follow the behavior of the thermal process rather than forcing every application into one response pattern.

TK4S-B4RN is a compact single-loop temperature controller that accepts selectable thermocouple, RTD, voltage or current inputs. Its exact suffix also defines the primary relay output and installed option package.

Two alarm functions and RS485 communication give TK4S-B4RN separate paths for local condition signaling and network monitoring alongside the main control output. This supports centralized visibility of the temperature loop.
Alternative Names
TK4SB4RN
Technical notes
Isolate supply and every output circuit before removing TK4S-B4RN. Photograph the front display and rear terminals, label each conductor by terminal number and transfer no wire by physical position alone. Seat the panel bracket correctly, restore power in controlled stages and retain the old unit until the maintenance record is complete.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
A TK4S controller has the same front size as TK4S-B4RN but a different suffix. Can it be used as a spare?
Not from size alone. Decode the supply, primary output, second-output status and option package, then verify alarms and RS485 before approving interchangeability.
The temperature display on TK4S-B4RN is unstable after sensor replacement. Should PID tuning be changed first?
First verify sensor type, polarity, compensation wiring, shielding and input configuration. Tuning cannot correct a mismatched or noisy measurement circuit.
TK4S-B4RN communicates locally but the supervisory system reads another device. Which setup should be checked?
Confirm RS485 polarity, protocol settings, baud rate and the unique communication address. Also verify the supervisory tag is mapped to that address before changing controller hardware.
A heater contactor will be connected to the relay output of TK4S-B4RN, but its inrush is unknown. May commissioning proceed?
Not until the load is compared with the documented relay-contact rating and switching conditions. If the duty cannot be proven within the manufacturer rating, stop and have the control circuit reviewed before energizing it.
A replacement TK4S-B4RN reaches setpoint but the high-temperature trip never operates. Is temperature control sufficient acceptance?
No. Test both alarm outputs, downstream logic and fail-safe response separately. Stable control does not prove that protective or warning functions were restored.
The machine drawing requires two independent control outputs. Does TK4S-B4RN provide both?
No. The exact B4RN option is documented with relay OUT1 and the normal configuration without OUT2. Alarm outputs are separate functions and should not be re-labelled as a second control output.

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