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Digital Torque Meter
TQ-5300

The TQ-5300 calculation display unit, when used in combination with a flange-type high-rigidity detector, can convert the detector's pulse output into digital torque values and analog voltage outputs. Three types of digital interfaces (optional) are available for the digital output. In addition to the RS-232C digital interface found in previous models, EtherCAT and CAN interfaces are now included, enabling faster digital communication. Using these digital interfaces, the high-precision torque measurement values inherent to the torque detector can be output directly. The analog output employs a periodic calculation method that converts each pulse cycle, enabling high-speed response. Remote I/O, communication, and interlock functions are standard features for convenient system integration. Furthermore, it supports multi-range measurement (optional), allowing multiple torque capacities to be set with a single torque detector.

Features

3 types of digital output

High-precision output of torque measurement values

By using digital output, torque values can be output with the torque detector's inherent accuracy.

  • High-precision output of torque measurement values
EtherCAT

Digital interface (optional)

EtherCAT (TQ-0535)
CAN (TQ-0533)
RS-232C (TQ-0532)

Supports multi-range measurement function

When measuring different torque capacities, it was previously necessary to switch to a torque sensor corresponding to the torque capacity. However, by using the optional multi-range function (TQ-0536), multiple torque capacities can be set with a single torque sensor without having to change the torque sensor. Range switching can be easily done by pre-entering information such as the torque sensor's factor and capacity.

  • Up to three different torque capacity settings are possible.

  • Switchable via menu or external mode.

  • When switching ranges from an external mode, the current range can be confirmed via the set range confirmation output, thus preventing measurement errors.

  • Supports multi-range measurement function

* If using the multi-range specification, there are conditions depending on the torque range used, so a consultation is required before ordering.

High-speed response analog output

The flange-type high-rigidity torque detector changes the signal output frequency from the detector according to the detected torque amount. The torque calculation display calculates the frequency corresponding to the detected torque amount for each cycle and outputs it as an analog signal with high-speed response.
The high-speed response analog output tracks rapidly fluctuating transient torque, enabling more optimal control.

  • High-speed response analog output

Compatible with TQ-1000 series

TQ-1000 series (standard rotation specifications)
TQ-1000 series (standard rotation specifications)

It can be connected to the TQ series flange-type high-rigidity torque detector.

Equipped with analog output for rotation speed.

Equipped with analog output for rotation speed.

Torque and rotational speed values can be output simultaneously as analog values.
By using the optional TQ-0531, you can output torque in two channels. For example, if you want to use separate outputs for control and recording, you can output them on a single calculator/display unit.

Display screen example

Normal measurement screen

  • Main display
    Main display
  • Two-line display (torque, rotational speed)
    Two-line display (torque, rotational speed)

In the screen display settings, you can choose to display either the torque value or the torque value and rotational speed.

Comparator output

  • Comparator ON (one stage)
    Comparator ON (one stage)
  • Comparator ON (two stages)
    Comparator ON (two stages)

If the torque value exceeds the set value, it is considered an abnormality and a contact output is generated, allowing it to be used as an interlock. It has a total of 3 output channels: 2 channels with freely adjustable settings and 1 channel that outputs when the torque exceeds 110% of the maximum value. Additionally, the 2 freely adjustable channels can be assigned to rotational output.

setting

  • When setting the condition
    When setting the condition
  • When selecting a communication interface (optional)
    When selecting a communication interface (optional)

In the screen display settings, you can choose to display either the torque value or the torque value and rotational speed.

Case Studies

Engine test bench

We provide data to accurately reproduce virtual loads on an engine bench. By using the TQ-5300 equipped with a digital interface, it is possible to obtain highly accurate and responsive torque data.

  • Engine test bench

Transmission testing equipment

From engine durability testing to efficiency testing, a single torque sensor can perform measurements using its multi-range function. Because there's no need to install separate sensors tailored to different torque values depending on the test, stable measurements can be achieved without changing the test conditions.

  • Transmission testing equipment

Specification

Input section
Torque Input format Line driver input
Input frequency range 1 kHz to 25 kHz
Compatibility detector TQ-1000 series
Connector D-sub 15-pin (female)
Rotation and Speed Compatibility detector MP-981, MP-9820
Input frequency range 1 Hz to 100 kHz
Signal amplitude range High level +5 V ± 0.5 V
Low level: 0.5 V or less
Connector R03-R6F (Tajimi Radio)
Display section
Torque Number of display digits Polarity + 5 digits (excluding decimal point)
unit N･m, kN･m
accuracy ± 0.008% FS ± 1 count
Rotation and Speed Number of display digits Polarity + 5 digits
unit r/min
accuracy Displayed value × (±0.01%) ± 1 count or less
Output section (analog output)
Torque Output format Voltage output 0 to ±10 V FS
Analog conversion method Periodic conversion method (converts each period to frequency and then to analog voltage)
2-channel switching (optional) The 2-channel output parameters can be selected from torque and rotational speed.
Analog conversion time Within 1 cycle +5 μs
Minimum allowable load 100 kΩ
accuracy ± 0.05 % FS
Connector D-sub 9-pin (male)
Rotation and Speed Output format Voltage output 0 to ±10 V FS
Analog conversion time Within 1 ms
Minimum allowable load 100 kΩ
accuracy ± 0.3% FS
Connector D-sub 9-pin (male)
Output section (pulse output)
Torque Output items The pulse output of the torque sensor is waveform-shaped and output.
Output format The open collector output is pulled up to +5V with a 330Ω resistor.
pulse width Depending on the output width of the sensor
Minimum allowable load 10 kΩ
Connector D-sub 9-pin (male)
Rotation and Speed Output items The pulse output of the rotation speed detector is waveform-shaped and output.
Output format The open collector output is pulled up to +5V with a 330Ω resistor.
pulse width Depending on the output width of the sensor
Minimum allowable load 10 kΩ
Connector D-sub 9-pin (male)
Interface section
REMOTE External input fields Rotation direction selection: Contact input
Switching between CW/CCW torque zero point, contact closes in CCW mode.
Torque zero correction value acquisition started: Contact input
A function that automatically sets the torque display to 0 when there is no load via an external contact.
Setting Condition Switching
Switching between 3 conditions via external input signal (optional)
External output items READY: Contact output
When torque is being measured, the contacts are closed.
Comparator: Contact output
3 ch (Arbitrary setting alarm 2 ch, internal fixed 1 ch)
Condition setting check
Open collector output, 2 channels (outputs valid conditions in 2 bits)
Communication interface

RS-232C (optional)

 Standard RS-232C compliant
Baud rate 9600/38400 bps
Communication method Asynchronous full-duplex mode
Connector HR12-10R-8SD (manufactured by Hirose Electric Co., Ltd.)
Communication interface
CAN output (optional)		 protocol CAN Ver2.0B compatible
Baud rate 125 / 250 / 500 kbps 1 Mbps
Output update cycle OFF/1/2/5/10/20/100 Hz 1 kHz
Output items Torque value / Rotational speed value
Connector D-sub 9-pin (male)
Baud rate 9.6/19.2/93.75/187.5/500 kbps
1.5/12 Mbps
Output items Torque value, rotational speed value, setting items (CAPACITY, FACTOR)
Connector D-sub 9-pin (female)
Communication interface
EtherCAT (optional)		 protocol Compliant with IEC 61508
Baud rate 10/100 Mbps
Output items Torque value, rotational speed value, setting items (CAPACITY, FACTOR)
Connector RJ45 Ethernet Connector Channel0, Channel1
Communication interface configuration Simultaneous installation of all communication options is not possible; however, the combination of RS-232C and CAN can be installed simultaneously.
General specifications
Power supply voltage DC 24V (18-30V)
Power consumption 20 VA or less (when sensor is connected, excluding options)
Operating temperature range 0 ～ 50 ℃
Operating humidity range 20-80% (but no condensation)
Storage temperature range -10 to 60℃
Storage humidity range 20-85% (without condensation)
Outline drawings

170 (W) × 49 (H) × 150 (D) mm (excluding protrusions)

Outline drawings
Weight Approximately 700g
CE marking Low Voltage Directive: 2014/35/EUEN61010-1 Class 1
EMC Directive: 2014/30/EUEN61326-1 Class 1 Industrial Environment
RoHS Directive: 2011/65/EUEN50591
FCC CFR47 Part 15 Subpart B Class A
Accessories DC power input connector × 1, REMOTE connector × 1, analog pulse output connector × 1, rubber feet × 4, instruction manual × 1

Rear panel

Rear panel (when optional equipment is installed)

  • When equipped with EtherCAT
    When equipped with EtherCAT
  • When equipped with CAN and RS-232C
    When equipped with CAN and RS-232C

* CAN and RS-232C can be installed individually or simultaneously.

Option

Model name name
TQ-0531 Analog output switching function
TQ-0532 RS-232C communication function
TQ-0533 CAN output function
TQ-0535 EtherCAT communication function
TQ-0536 Multi-range / High-precision function
TQ-0811 Remote cable 2 m
TQ-0821 Analog pulse output cable, 2 m
CT-0673 Panel mounting brackets
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最終更新日:2025/09/03