Commissioning
Leuze
electronic
54
BCL 40
Leuze electronic
To understand what is happening during the parameter setting, the chapter 7.3.1 briefly
explains the various parameter sets.
The setting of the parameter sets then takes place in the operating mode "service", which is
described in chapter 7.3.2.
7.3.1
Parameter sets
Three different parameter sets are maintained by the MA 10 when using the BCL 40 / MA 10
combined unit:
• the factory default parameter set
• the customer-specific parameter set
• the current parameter set
Before a parameter set is loaded into the BCL 40 processor memory, the validity of the
parameter set is checked using checksums.
Factory default parameter set
This parameter set contains the default settings made ex works for all BCL 40 parameters.
It is permanently stored in the ROM of the BCL 40. The parameter set with the default
settings is loaded into the memory of the BCL 40,
• the first time the device is commissioned after delivery
• after a "cold start" reset ("ParaDefault" switch ON)
• if the check sums of the current and the customer-specific parameter set are invalid.
Customer-specific parameter set
In this parameter set, customer-specific settings for all device parameters can be stored.
There are two ways to store the parameter set in the EEPROM of the MA 10:
• by copying a valid parameter set, i.e. an already stored and tested 'current parameter
set' from the EEPROM of the MA 10.
• by copying (parameter "Download") a valid parameter set from the host computer
(e.g. a PC or PLC).
The customer-specific parameter set is copied into the current parameter set:
• after a "cold start" reset ("ParaDefault" switch OFF)
• if the checksum of the current parameter set is invalid
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