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Transmitter CSA-503C

Model CSA-503C / CSA-503 / Minebea Mitsumi Inc. (Official website)

Transmitter with built-in remote sensing circuit. Auto-zero function is sold separately.

Last verified: (date the content was verified against the source document)

Specifications

Bridge power supply 2.5, 5, 10 VDC
Input range 0.3 to 3 mV/V
Output voltage ±10 V
Frequency response range 1, 10, 100 Hz
Power Consumption 10 VA
Mass 1.5 kg

How to choose Transmitter

Points to check when selecting, with the values for this product (CSA-503C).

  1. 1. Select an input range that matches the sensor output

    This product: Input range 0.3 to 3 mV/V

    The rated output (mV/V) of the connected sensor must fall within the input range of the transmitter. Listed products offer a wide input range of 0.3 to 500 mV/V. For sensors with a small rated output, selecting a model with a lower input range limit makes it easier to secure resolution.

  2. 2. Output format suited to the receiving side

    This product: Output voltage ±10 V

    Check whether the output is voltage (such as ±10 V) or current (such as 4 to 20 mA) against the input specifications of the PLC or recorder. In environments with long cable runs and high noise, current output is advantageous. For digital output models, also confirm the baud rate (921.6 kbps in the listed example) and the number of units that can be connected in parallel.

  3. 3. Match bridge excitation voltage to the sensor

    This product: Bridge power supply 2.5, 5, 10 VDC

    Strain gauge sensors have a permissible excitation voltage, and exceeding it causes heat generation and drift. Compare the recommended excitation voltage in the sensor specifications with the bridge power supply of the transmitter. If cable runs are long, also check whether remote sensing is available to compensate for voltage drop.

  4. 4. Response bandwidth suited to the rate of change of the measured quantity

    This product: Frequency response range 1, 10, 100 Hz

    For measuring fast phenomena such as impact loads or torque fluctuations, a model with a wide frequency response range is required. Listed examples include high-response types with a response frequency of 25 kHz and digital types with 2 kHz. For static measurements, check whether a low-pass filter can be set to suppress noise.

  5. 5. Nonlinearity relative to required accuracy

    Nonlinearity is the deviation of output relative to input, expressed as a percentage of full scale, and listed products range from 0.01 to 0.05% F.S. The overall system accuracy is determined by the sum of the errors of the sensor and the transmitter. Determine the required grade together with the accuracy of the sensor side.

  6. 6. Match power supply and installation form to the equipment

    Match whether the power supply is AC or DC 24 V to the power configuration of the control panel. For integration into equipment or multi-channel use, board-type or multi-channel models save space. Check the external dimensions, mass (0.05 to 2.5 kg) and power consumption, and confirm that they fit the available installation space and power capacity.

This guide was written by AI based on the listed products' documents and specification items.

About Transmitter and all products

Description

CALIB standard equipped for easy calibration operation.

Features

  • Built-in remote sensing circuit
  • CALIB standard equipped

Applications

  • Signal conversion for measurement systems

FAQ

Q. What are the bridge supply voltage and input range of the CSA-503C?
A. Bridge supply voltage is 2.5, 5, or 10 VDC. Input range is 0.3 to 3 mV/V.
Q. What are the output voltage and frequency response range of the CSA-503C?
A. Output voltage is ±10 V. Frequency response range is 1, 10, or 100 Hz.
Q. What are the remote sensing circuit and CALIB function of the CSA-503C?
A. It has a built-in remote sensing circuit. CALIB is standard equipment, enabling easy calibration operation.
Q. Is the auto-zero function of the CSA-503C included as standard?
A. The auto-zero function is sold separately.

Written by AI based on the content of the source documents.

Source documents

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