Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Current Measurement

Current Measurement
Current measurement is a very dynamic process, indicated by the measuring range of mA to kA.
The fault code Current Fault is entered in fault memory when an implausible value is determined during the plausibility check of the various measuring ranges of the IBS.