Recover from an overloaded 1734-acnr adapter – Rockwell Automation 1734-ACNR POINT I/O ControlNet Adapter User Manual User Manual

Page 57

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Publication 1734-UM008B-EN-P - August 2005

Configure the Adapter 4-27

Note that the connection status is now running.

Recover from an
Overloaded 1734-ACNR
Adapter

The overload error (16#000c) appears in the Module Properties dialog.

This is a recoverable fault.

Once the 1734-ACNR adapter determines that it is overloaded, it drops
all connections. It will refuse all connections until you take action -
reset or power cycle the 1734-ACNR adapter, or repair any bad input
devices and wiring to I/O modules.

The 1734-ACNR adapter will behave as follows.

• The 1734-ACNR adapter supports an overload condition of a

grace period of 2.5 seconds to absorb traffic peaks, then it closes
all connections to POINT I/O modules.

• POINT I/O modules assume their user programmed safe states

quickly.

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