Operating
Software diagnostic messages
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9.2.2 Module status
Status message Description
Module diagnostics pending Group diagnostics of the device. At least 1
channel sends diagnostics.
Undervoltage V2 V2 is below the nominal range (< 18 V).
Undervoltage V1 V1 is below the nominal range (< 18 V)
Internal error Error in the device, the internal communica-
tion is disturbed.
I/O-ASSISTANT Force Mode active The force mode of the DTM is activated, i.e. the
output states may no longer correspond to the
specifications sent by the fieldbus or resulting
from the PLC program.
Fig.102: CODESYS – module status