When an IO error is detected, the I/O LED is steady.
The system provides module health bits in %SW129 and %SW129.
.
%SW128.0 is module #1 health;
%SW129.15 is module #32 health.
A health bit is set to 1 if the module is healthy; if set to 0, it is not healthy or not configured.
A compatibility error status is provided in %SW132 with following the content. This content is significant only if %S118 is set to 0.
Bits 0 to 14: These bits contain a value from 1 to 64, signifying the network position of the module that cannot be reached.
For example, a value of 8 indicates a communications failure in accessing the 8th module on the network.
Bit 15: A value of zero indicates a general communication failure, for example, no power to the module or a break in its input cable.
A value of 1 indicates that communication is possible, but the I/O bus ID received from the module does not match the module
type contained in the configuration for that position.
Please the attached document for further explanation.
The system provides module health bits in %SW129 and %SW129.
.
%SW128.0 is module #1 health;
%SW129.15 is module #32 health.
A health bit is set to 1 if the module is healthy; if set to 0, it is not healthy or not configured.
A compatibility error status is provided in %SW132 with following the content. This content is significant only if %S118 is set to 0.
Bits 0 to 14: These bits contain a value from 1 to 64, signifying the network position of the module that cannot be reached.
For example, a value of 8 indicates a communications failure in accessing the 8th module on the network.
Bit 15: A value of zero indicates a general communication failure, for example, no power to the module or a break in its input cable.
A value of 1 indicates that communication is possible, but the I/O bus ID received from the module does not match the module
type contained in the configuration for that position.
Please the attached document for further explanation.
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