Guizhou Yuanmiao Automation Equipment Co., Ltd.: 1Yr

Anshun, Guizhou, China; Main products: ABB Triconex Foxboro LAM, Bentley Motorola Schneider, Kollmorgen HIMA ALSTOM, Reliance GE HONEYWELL NI、ICS

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Home > Products > YOKOGAWA > Yokogawa SAI143-H33 Analog Input Module

Yokogawa SAI143-H33 Analog Input Module

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Product Details

Material	Other, Global universal model	Condition	Other, Global universal model
Task	Other, Global universal model	Mathematical Model	Other, Global universal model
Signal	Other, Global universal model	Customized	Non-Customized
Structure	Other, Global universal model

Product Description

Yokogawa SAI143-H33

Overview: The SAI143-H33 is typically used in industrial control systems. Its main function is to receive analog signals from various sensors and instruments, convert them into digital signals for system processing and analysis. It can be applied in industrial automation, process control, environmental monitoring, and other fields.

Functional Features: It features high precision, reliability, and stability, meeting the requirements of industrial control systems for data acquisition and signal processing. It is usually used in conjunction with Yokogawa's controllers and data acquisition systems, providing engineers and operators with reliable process monitoring and control functions. In addition, the module supports HART communication, enabling two-way communication with intelligent instruments to obtain more device information and perform parameter settings.

Technical Parameters: This module is an analog input module with 4-20mA signal, integrated with Hart communication, and has 2 channels. It uses ISA standard G3 and operates within a temperature range of -20°C to 70°C.

Working Principle: The SAI143-H33 module incorporates a signal conditioning circuit and an analog-to-digital (A/D) conversion circuit. The analog signal output by the sensor first passes through the signal conditioning circuit for amplification, filtering, and other processing to meet the requirements of A/D conversion. The analog signal is then converted into a digital signal by the A/D conversion circuit, which is transmitted to the connected control system via the module's communication interface for subsequent processing and control.

Common Faults and Solutions:

SF light (red) is on:

Possible causes: No external auxiliary voltage or incorrect power supply. Check if the power supply wiring is secure, whether the power supply is working normally, and if the front connector is firmly plugged in (re-plug it if necessary).
Possible cause: Inconsistency between configuration and actual hardware. Verify that the configured part number matches the actual hardware module, and ensure the module settings are consistent with the software configuration.
Possible cause: External disconnection or over-range in the channel. If the diagnostic function is enabled, this is a normal phenomenon; disable it in the configuration if not needed.

Module indicators are normal, but the monitored value always shows "0":

Check if the hardware configuration is set up, compiled, and downloaded. It is recommended to use PIW instead of IW for reading values.

Incorrect value display with large errors:

Check if the voltage/current/resistance and range settings in the module configuration match the actual sensor parameters.
Use a multimeter to measure the input current or voltage signal. If the signal is normal but does not match the physical range of the measured object, the external sensor may be faulty—replace the sensor for testing. If the error remains significant, the module hardware may be defective; contact after-sales service.

Upper overflow shows 32767 (16#7FFF):

Usually caused by a common-mode voltage difference between the module and the sensor exceeding the module's maximum tolerance.
Replace the wiring cable with a shielded twisted pair, ground the shield layer at the PLC side with single-point grounding, and short the M- terminals of each channel with COMP, MANA, and 24VDC- terminals for common grounding. If ineffective, if the sensor is non-isolated, add an isolation barrier between the module and the sensor.

Lower overflow shows -32768 (16#8000):

Generally caused by reversed positive/negative wires of the sensor or common-mode voltage difference. Swap the positive and negative wires for testing, or refer to the solutions for upper overflow.

Fluctuating or jumping values:

For small-range fluctuations within acceptable engineering accuracy, limit the read values.
For large-range and frequent fluctuations, which are usually caused by on-site interference, use a multimeter to check the stability of the voltage or current signal. If unstable, shield and ground the sensor.

Company Profile

Guizhou Yuanmiao Automation Equipment Co., Ltd.

Main products: Covering globally renowned brands: Bently Nevada, Triconex, Woodward, Foxboro, Westinghouse, Reliance, Schneider Modicon, ABB, AB (Allen-Bradley), Motorola, GE Fanuc, Yaskawa, Bosch Rexroth Rexroth, ACSO, YOKOGAWA, Rexroth, NI, ICS Triplex, Kollmorgen, Mitsubishi, MOOG, Emerson, B&R B&r, SST, ALSTOM, KUKA EPRO, LAM HIMA dark Horse, HONEYWELL, prosoft, AMAT, SIEMENS, etc. The product categories include: DCS system accessories, robot system spare parts, large servo system spare parts, etc., which are widely used in power, chemical, metallurgy, intelligent manufacturing and other fields.

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Guizhou Yuanmiao Automation Equipment Co., Ltd.: Contact nameyezi
Chat Now; AddressXixiu District, Anshun, Guizhou

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Product Categories

ABB	Bently Nevada	TRICONEX	GE
ICS Triplex	HIMA	MOTOROLA	WOODWARD
HONEYWELL	Foxboro	Schneider Modicon	YOKOGAWA
EPRO	MOOG	Westinghouse	Reliance
Emerson	B&R	ALSTOM	LAM
KONGSBERG	FANUC	National Instruments	Kollmorgen
Other Brands	Rexroth	PROSOFT	Vibro-meter
Allen-Bradley	ZYGO	Praxis	METSO
Basler Electric	A-B	XYCOM	AMAT
TOSHIBA	CCC

Yokogawa SAI143-H33 Analog Input Module

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