Technology Modules
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Measurement mode
The following values can be changed using the load function during operation:
Behavior of the digital output DO1 (LOAD_DO_PARAM)
Lower limit (LOAD_LOLIMIT)
Upper limit (LOAD_UPLIMIT)
Error acknowledgment
The Error Digital output error (ERR_DO) and Short circuit sensor supply (ERR_24Vdc) status bits must
be acknowledged. The errors are detected by the counter module and shown in the check-back
interface/process input. They can also initiate a diagnostics message with the appropriate parame-
ter definition.
The following figure shows the chronological relationship between the occurrence of an error and
its acknowledgment:
Error bit: ERR_DO or ERR_24Vdc
Error occurred/ module sets error bit and diagnostics message if necessary/ error detection con-
tinues
‚Error bit acknowledged/ any diagnostics message present is cleared/ further error detection not
possible.
ƒError bit was reset/ further error detection not possible.
„The status bit EXTF_ACK is reset/ further error detection possible.
Fig. 274: Error detection
ab cd
t
Error bit
1)
Status bit
EXTF_ACK