23 Security functions Page 107 of 142
MCS301 meter - product Manual 1.25 MetCom Solutions GmbH
23.2 Terminal cover removal detection
Every terminal cover removal will be detected by the meter with following actions:
• Log file entry with time & date stamp
• The appropriate Fraud attempt Bit in the alarm register 1 is set and can be displayed
on the LCD or readout by any interface
• This feature is available during power outage
• The terminal cover opening alarm can be reset by command
• In case the terminal cover is placed again, the appropriate alarm register Bit is cleared
automatically
23.3 Main cover removal detection
Every main cover removal will be detected by the meter with following actions:
• Log file entry with time & date stamp
• The appropriate Fraud attempt Bit in the alarm register 1 is set and can be displayed
on the LCD or readout by any interface
• This feature is available during power outage
• Main cover opening alarm can be reset by command (specific access rights needed)
23.4 Magnetic field detection
Every magnet field detection will be detected by the meter (in case the event stays longer than
30s) with following actions:
• Log file entry with time & date stamp
• The appropriate Fraud attempt Bit in the alarm register 1 is set and can be displayed
on the LCD or readout by any interface
• The magnet field detection alarm can be reset by command
23.5 Comms module removal detection
Every Comms module removal will be detected by the meter with following actions:
• Log file entry with time & date stamp
• The appropriate Fraud attempt Bit in the alarm register 1 is set and can be displayed
on the LCD or readout by any interface
• The comms module removal alarm can be reset by command
23.6 Detection of current flow without voltage
In case no voltage is connected to the meter but still a current is flowing, this event can be
detected by using 3 register, which are counting the Ah consumption of the meter (only in case
no voltage is connected);
• Register for measuring Ah in phase L1 without voltage in phase L1 1-0:31.8.0.255
• Register for measuring Ah in phase L2 without voltage in phase L2 1-0:51.8.0.255
• Register for measuring Ah in phase L3 without voltage in phase L3 1-0:71.8.0.255
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