Allen-Bradley 1756-IF16

Description

Allen-Bradley 1756-IF16 is a ControlLogix series analog input module produced by Rockwell Automation(now part of Allen-Bradley).The following is a detailed introduction to the module:

1.Basic features

Model:1756-IF16

Brand:Allen-Bradley(now part of Rockwell Automation)

Series:ControlLogix

2.Functions and technical parameters

Input channels:

Provides 16 single-ended analog input channels,or 8 differential analog input channels,or 4 differential high-speed analog input channels.

Input signal range:

Supports input signals of±10V,0-10V,0-5V and 0-20mA.

Resolution:

In the±10.25V input range,the resolution is 320µV/count(15 bits+sign bipolar).

In the 0-10.25V input range,the resolution is 160µV/count(16 bits).

The resolution is 80µV/count(16 bits)at 0-5.125V input range.

The resolution is 0.32µA/count(16 bits)at 0-20.5mA input range.

Signal routing configuration:

Single-ended,differential,and high-speed differential routing are supported.

Single-ended routing is most sensitive to noise and must be used with signals that have a common ground.

Allen-Bradley 1756-IF16

Differential routing is suitable for environments that require improved noise immunity.

High-speed differential routing is used in systems that require fast data updates.

Scan time:

When single-ended routing,the scan time is 16-488ms.

When differential routing,the scan time is 8-244ms.

When high-speed differential routing,the scan time is 5-122ms.

ADC:

Built-in ADC circuit using the Sigma-Delta method.

The converted data is stored in integer mode(left-justified,2’s complement)IEEE 32-bit floating-point data format.

Calibration accuracy:

Better than 0.05%of the voltage input range and 0.15%of the current input range.

Wiring method:

You can use the 1756-TBCH or 1756-TBS6H removable terminal block(RTB).

Allen-Bradley 1756-IF16

III.Application and compatibility

Application:The 1756-IF16 module is suitable for various industrial automation and control systems.It can be used to receive analog signals output by sensors,transmitters and other devices,and convert them into digital signals for controller processing.

Compatibility:Compatible with other modules in the ControlLogix series and Rockwell Automation’s programming software(such as Studio 5000),which is convenient for integration and configuration.

IV.Physical and electrical characteristics

Power consumption:The power consumption of the module is 2.3 watts,and the total power of the backplane is 2.33 watts.

Input range:±10V,0-10V,0-5V or 0-20mA.

Current consumption:The current consumption is 150mA at 5.1V,or 65mA at 24V.

Overvoltage Protection:With maximum overvoltage protection of 30V DC(voltage)and 8V DC(current).

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