1746-NI16I Analog Input Module

The 1746-NI16I is an Analog Input Module, with 16-bit resolution and 16 input channels. This module falls into a Voltage Category of -20 to 20 mA. Its backplane current at 5 Volts is 125 mA, while 24 Volts results in 75 mA. Its backplane power consumption is 2.425 Watts maximum (0.625 Watts at 5 Volts DC and 1.8 Watts at 24 Volts DC). The common mode voltage range of this module is +/-10.25 Volts relative to the analog common terminal.
This unit has a relative humidity of 5% to 95% without condensation. Its operating temperature range is -25 to 60 degrees Celsius (-13 to 140 degrees Fahrenheit) while its nonoperating temperature lies between -40 and 85 degrees Celsius (-40 and 185 degrees Fahrenheit). Its Input impedance is 249; its maximum voltage input is ±8 Volts between analog common and any input terminal, and the maximum current input is ±30 mA. The thermal dissipation of this module is 2.43 Watts, and the AIFM Connector of this module is 25-pin D-shell. When installing modules in the chassis, it is not necessary to remove the terminal blocks from the module. However, if the terminal block is removed, use the label located next to the terminal block to identify the location and type of module.

Frequently asked questions：

Q1: What is the 1746-NI16I Analog Input Module used for?
A: The 1746-NI16I Analog Input Module is designed for SLC 500 PLC systems to acquire analog signals from field devices such as sensors, transmitters, and measurement instruments.
Q2: What is the bandwidth of the 1746-NI16I module?
A: The module supports a bandwidth range of 6–250 Hz, allowing it to handle a variety of industrial analog signal frequencies.
Q3: What is the backplane current requirement of the 1746-NI16I?
A: The module draws approximately 75 mA from the 24 V DC backplane supply.
Q4: What is the step response time of the 1746-NI16I module?
A: The step response time ranges from 9 to 630 milliseconds, depending on configuration and filtering settings.
Q5:How many inputs does this module have?
A:The 1746-NI16I module has a total of 16 inputs.
Q5:What is this module’s thermal dissipation?
A:The 1746-NI16I has a thermal dissipation around 2.43 Watts.

Product Applications

Automobile and tire manufacturing: Signal control for assembly lines and inspection equipment.
Chemical and pharmaceuticals: Monitoring pressure in reaction vessels, flow control, and environmental parameters.
Food and beverages: Automated monitoring of filling lines and sterilization processes.
Water treatment and cement industry: Monitoring of large pumping stations and control of material ratios.
Textiles and chemical fibers: Precise tension control and temperature/humidity regulation.

Technical Points
Channel Specifications: Equipped with 16 current input channels, supporting 16-bit high resolution, ensuring the accuracy of signal acquisition.
System Compatibility: Specifically designed for the SLC 500 control system, supporting hot-swappable installation and quick configuration, reducing downtime.
Industrial Design: Utilizing backplane isolation technology, enhancing the system's ability to resist electromagnetic interference in harsh factory environments.

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