Publication 1747-UM006B-EN-P - June 2003
Troubleshooting 7-7
I/O Module Configuration Mismatch Fault Codes - Code 3
Addressing Mode mismatch.
1/2-slot, 1-slot, and 2-slot indicates previously
saved selection.
Specialty I/O Mode mismatch.
Discrete (dSc) or Block Transfer (bL) indicates
previously saved selection.
(1) C stands for configuration, the first number from the left is the DIP switch number (SW1,
SW2, or SW3). The second number stands for the highest individual switch number (1 - 8).
C38 is switch SW3, switch 8.
(2) This is the saved parameter setting.
or
or
or
Code 3
(1)
Meaning
I/O module missing from the previously saved configuration.
I/O module detected in an unused slot of the previously saved
configuration.
I/O Module Electrical Interface Type. Not the same as the saved
configuration such as a DC output module being placed in an AC
output slot.
I/O Module Mix or Class. Not the same as the saved
configuration such as a DC 16-point input module placed in an 8
point DC input slot.
(1) The fault code is alternated with the corresponding slot number (L slot#).
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