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ABB SPFCS01 Frequency Counter Slave Module
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ABB SPFCS01 Frequency Counter Slave Module

+86-15305925923
Mr.Wang
wang@kongjiangauto.com
SPFCS01 Frequency Counter Slave Module
11167.00
¥4027.00
Weight:2.000KG
Product parameters
  • Telephone:+86-15305925923
  • contacts:Mr.Wang
  • Email:wang@kongjiangauto.com
Description
SPFCS01 Frequency Counter Slave Module

ABB SPFCS01 Frequency Counter Slave Module

Overview

Product Definition and Function: ABB SPFCS01 Frequency Counter Slave Module is a frequency measurement and counting module from ABB. In industrial automation systems, it is mainly used to accurately measure the frequency of various pulse signals or periodic signals, and transmit the measurement results to the master controller or other control systems, in order to achieve the monitoring and control of rotating equipment speed, signal frequency and other parameters.

Working Principle

Signal input and pre-processing: The module has a special signal input channel for receiving external pulse signals or periodically changing signals. These signals can come from a variety of devices, such as rotary encoders (used to measure the rotational speed of motors or mechanical shafts), sensors (e.g., vibration sensors outputting signals related to vibration frequency), and so on. When the signals are fed into the module, they first pass through a signal conditioning circuit, which is mainly used for filtering, amplifying and shaping the input signals. Filtering is to remove the noise and interference components in the signal, amplification is to enhance the weak signal to a suitable level, and shaping is to convert the irregular signal into a regular square wave signal for subsequent counting and measurement.

Frequency counting process: The pre-processed signal is fed into the frequency counting circuit. The frequency counting circuit measures the frequency by counting the rising or falling edges of the signal. It usually uses high-precision counters and timers to calculate the frequency of the signal based on a preset counting time or number of counting pulses. For example, the number of pulses of a signal is counted within a fixed counting time (e.g. 1 second) and the number of pulses is the frequency of the signal in Hz. At the same time, the module can also perform period measurements, where the period of the signal is obtained by calculating the time interval between two neighbouring pulses, which in turn calculates the frequency.

Data transmission and communication: The measured frequency data will be stored in the internal registers of the module, and then the data will be transmitted to the main controller or other control systems through the communication interface. The module supports a variety of communication methods, such as industrial Ethernet, Profibus, Modbus and other communication protocols, to ensure effective data interaction with different control systems.

Performance features

High-precision frequency measurement: It has high-precision frequency measurement capability, and the measurement accuracy can reach ±0.01% - ±0.1% reading accuracy. This makes it possible to accurately measure the frequency of a wide range of signals, both low-frequency (e.g., a few Hz) and high-frequency (e.g., thousands of Hz or more). For example, a 100 Hz signal can be measured with an error of ±0.01 Hz - ±0.1 Hz, providing reliable data for precise control of industrial processes.

Wide Frequency Measurement Range: A wide range of frequencies can be measured, typically from a few Hz to tens of kHz and beyond, depending on the module type and configuration. This wide range of frequency measurement capability makes it possible to adapt to different industrial application scenarios, for example, from measuring the low-speed rotational frequency of motors to the signal frequency of high-speed electronic equipment.

Multi-channel inputs and flexible configuration: Typically with multiple input channels, the number of channels may vary from 2 - 8, depending on the module design. Each channel can be used independently for signal input and frequency measurement and can be flexibly configured according to the actual application requirements. For example, different channels can be configured with different counting times, measurement modes (frequency or period), etc., making it easy to monitor several different signal sources simultaneously.

Strong anti-interference capability: A variety of anti-interference measures are taken during signal input and processing. In addition to the previously mentioned signal filtering and shaping, the module has been optimised in terms of hardware design and software algorithms to improve anti-interference capability. For example, in industrial environments where electromagnetic interference (EMI) exists, it can effectively identify and filter interfering signals to ensure the accuracy of frequency measurement.

Technical Parameters

Input parameters

Number of input channels: generally 2 - 8 channels, each channel can be used independently.

Input signal type and level requirements: Various types of pulse signals can be received, such as TTL (Transistor-Transistor Logic) level signals, CMOS (Complementary Metal-Oxide-Semiconductor) level signals, etc. For level requirements, input high level signals can be used. For level requirements, the input high level range may be 2V - 5V, and the input low level range may be 0V - 0.8V, which may vary slightly depending on the module model.

Input Signal Frequency Range: The frequency measurement range is generally from a few Hz to tens of kHz, e.g. the minimum measurable frequency is 1Hz and the maximum measurable frequency is 50kHz.

Measurement parameters

Measurement accuracy: Measurement accuracy of ±0.01% - ±0.1% of reading accuracy ensures highly accurate frequency measurements.

Resolution: Frequency measurements can be made with a resolution of 0.01Hz - 0.1Hz, depending on the measurement range and settings. For example, the resolution can be higher for measurements in lower frequency ranges.

Counting method and time range: Rising edge counting and falling edge counting are supported. The counting time range can be set flexibly from 1ms - 10s, so that the user can choose the appropriate counting time according to the signal frequency and measurement accuracy requirements.

Communication Parameters

Supported communication protocols: Support a variety of industrial communication protocols, such as Industrial Ethernet, Profibus, Modbus, etc., which is convenient to integrate with different control systems.

Communication rate: The communication rate varies according to different protocols. For example, in industrial Ethernet communication, the communication rate can reach 10Mbps - 1000Mbps; in Profibus communication, the communication rate can reach 12Mbps - 100Mbps; in Modbus communication, the communication rate can vary from 9600bps - 115200bps.

Physical Parameters

Dimensions: The external dimensions are generally designed according to the installation requirements, the length may be between 10cm - 20cm, the width between 5cm - 10cm, the thickness between 3cm - 8cm, easy to be installed in the standard card slot of the control cabinet or the installation position of the equipment.

Weight: Light weight, usually between 100g - 500g, will not cause excessive burden on the overall weight and installation of the equipment.

Environmental parameters

Operating temperature range: can work in a wide range of temperature, generally - 20 ℃ - + 60 ℃, can adapt to different industrial site temperature conditions.

Humidity range: The relative humidity range is usually 10% - 90% (non-condensing), ensuring normal operation in different humidity environments.

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