Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Manual de usuario descargar pdf (Pagina 16)

Publication 1794-UM061A-EN-P - July 2006

14 1794 FLEX I/O Diagnostic Digital Modules Overview

Network Compatibility

You can use the diagnostic modules with ControlNet, DeviceNet,

EtherNet/IP, or remote I/O networks.

1794-IB16D Diagnostic Input Module Compatibility

The 1794-IB16D diagnostic input module interfaces to sensing devices and

detects whether they are on or off. The diagnostic input module converts dc

signals from user devices to the appropriate logic level for use in the

FLEX I/O system. Typical input devices include these types of switches.

• Proximity switches

• Limit switches

• Photoelectric switches

• Selector switches

•Float switches

• Pushbutton switches

When designing a system using a FLEX I/O diagnostic input module, you

must consider:

• the voltage necessary for your application.

• current leakage through the input devices.

• the amount of current consumed by the input devices.

• whether the application requires sinking or sourcing devices.

Usage Limitations

Network 1794-IB16D 1794-OB16D

Remote I/O Compatible with 1794-ASB

series E (or higher) and

1794-ASB2 series D (or higher)

remote I/O adapters.

Compatible with 1794-ASB

series D (or higher) and

1794-ASB2 series C (or higher)

remote I/O adapters.

DeviceNet No limitations or constraints.

ControlNet Direct connection only. Direct or rack connections.

EtherNet/IP Direct connection only. Direct or rack connections.

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Rockwell-automation 1794-OB16D FLEX I/O Diagnostic Modules User Manual Manual de usuario Pagina 16