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Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual User Manual

Page 121

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1785-UM022C-EN-P - February 2008

ControlNet I/O Map-Entry Status Words and Error Codes

D-3

The following table explains the second and third status words in the
ControlNet I/O status file.

ControlNet I/O Connection
Type

Bit 9 of First Word
of I/O Status File Entry
(Connection Error)

Second Word
of I/O Status File Entry

Third Word
of I/O Status File Entry

All

Set

0

Error code (see the “Error Messages” section)

Receive Data

Clear

0

0 = peer processor is in PROGRAM mode
1 = peer processor is in RUN mode

Send Data

Clear

0

Number of peer listeners

1747 Discrete

Clear

If bit x is clear, then the module in slot x is OK.
If bit x is set, then the module in slot x is missing, bad, or is the wrong type.

1747 Analog

Clear

0

0

1771 Discrete

Clear

0

0

1771 Analog Read

Clear

0

Error code from read

1771 Analog Write

Clear

Error code from write

0

1771 Analog Read/Write

Clear

Error code from write

Error code from read

1794 Discrete

Clear

0

If bit x is clear, then the module in slot x is OK.
If bit x is set, then the module in slot x is missing, bad,
or is the wrong type.

1794 Analog Read

Clear

0

If bit x is clear, then the module in slot x is OK.
If bit x is set, then the module in slot x is missing, bad,
or is the wrong type.

1794 Analog Write

Clear

0

0

1794 Analog Read/Write

Clear

0

If bit x is clear, then the module in slot x is OK.
If bit x is set, then the module in slot x is missing, bad,
or is the wrong type.