ABB AI893

ABB AI893 is an analog input module that belongs to ABB’s S800 I/O series.The following is a detailed introduction to the module:

1.Basic features

Number of channels:AI893 provides 8 differential input channels specifically for thermocouple/mV measurement.

Thermocouple support:Supports a variety of thermocouple types,including B,C,E,J,K,L,N,R,S,T and U thermocouples.

Measurement range:Each channel can be configured to measure a range of-30mV to 75mV linear,or the corresponding thermocouple type.

ABB AI893

Channel configuration:One of the channels(channel 8)can be configured for”cold end”(ambient)temperature measurement,so it can be used as a CJ channel for other channels.

Monitoring function:The module has the function of monitoring whether the input is broken or open.

Resolution:Reach 15 bits+sign resolution(some say 12 bits of resolution,which may vary depending on the specific model or firmware version).

Intrinsic safety protection:Includes intrinsic safety protection components on each channel for connection to process equipment in hazardous areas without the need for additional external devices.

2.Application fields

The AI893 module is widely used in situations that require precise measurement and control,such as industrial automation,process control,environmental monitoring,etc.In these applications,the module is responsible for receiving various analog signals and converting them into digital signals for easy recognition and processing by the automation system.

3.Technical specifications

Manufacturer:ABB

Series:S800 I/O series

Type:Analog input module

Accuracy:±0.1%(the specific accuracy may vary depending on the actual application and calibration)

Protection level:IP67(high protection level,suitable for harsh environments)

Dimensions:250×190×180mm³(the specific dimensions may vary depending on the product model or configuration)

Equipment weight:less than 130kg(the specific weight may vary depending on the product model or configuration)

Power consumption:The specific power consumption value may vary depending on the actual application and configuration

Firmware version:V1.0.0(or other versions,depending on the production batch and update)

ABB AI893

4.Other information

The AI893 module can be configured for 2-wire or 3-wire RTD sensors or TC sensors.

In TC mode,channel 8 is used for cold junction(ambient)temperature measurement.

The junction temperature can be measured locally at the MTU screw terminals or at a connection unit remote from the device.

The cold junction temperature is measured using a 3-wire Pt100 sensor or the user can set a fixed junction temperature(as a parameter)for the module.

When CJ temperature measurement is not required,channel 8 can be used in the same way as channels 1-7.

Overall,the ABB AI893 is a powerful,flexibly configurable analog input module suitable for a wide range of industrial automation and process control applications.For more information or to purchase this module,please contact ABB directly or its authorized agents.

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