Allen-Bradley ControlNet PLC-5 User Manual page 123

ControlNet I/O Connection
Type
All
Receive Data
Send Data
1747 Discrete
1747 Analog
1771 Discrete
1771 Analog Read
1771 Analog Write
1771 Analog Read/Write
1794 Discrete
1794 Analog Read
1794 Analog Write
1794 Analog Read/Write
The following table explains the second and third status words in the
ControlNet I/O status file.
Bit 9 of First Word Second Word
of I/O Status File Entry of I/O Status File Entry
(Connection Error)
Set 0
Clear 0
Clear 0
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.
Clear 0
Clear 0
Clear 0
Clear Error code from write
Clear Error code from write
Clear 0
Clear 0
Clear 0
Clear 0
AB Drives
ControlNet I/O Map-Entry Status Words and Error Codes
Third Word
of I/O Status File Entry
Error code (see the "Error Messages" section)
0 = peer processor is in PROGRAM mode
1 = peer processor is in RUN mode
Number of peer listeners
0
0
Error code from read
0
Error code from read
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.
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.
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.
1785-UM022B-EN-P - February 2002
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