3 Display, operation and options
BU 0250 en-3021 59
Pos: 153 /Anleitungen/ Elektronik/F U und Starter/3. Anzeige, Bedi enung und Optionen/Opti onen [SK 1xxE, SK 2xxE]/ Option Steckbares E EPROM_01 [SK 2x0E-FDS] @ 38\mod_156 8191239943_388.doc x @ 2558916 @ 3 @ 1
3.3.2 Optional plug-in EEPROM
The plug-in EEPROM (equipment code -EEP
) is operated in parallel
with the frequency inverter EEPROM and is primarily used for data
backup. In the event of a defect in the frequency inverter the data
(parameter data, PLC program) of the defective frequency inverter
can
be copied to an identical replacement device to minimise
downtime.
Information
Operation of the frequency inverter without the plug-in EEPROM is possible without restriction.
Data transfer is not monitored and there is no comparison of data between the internal and the plug-in
EEPROM.
Pos: 154 /Anleitungen/ Elektronik/F U und Starter/3. Anzeige, Bedi enung und Optionen/Opti onen [SK 1xxE, SK 2xxE]/ Option Steckbares E EPROM_02_Demontage_ Montage [SK 2x0E-FDS] @ 38\mod_1 568292574261_388.doc x @ 2559253 @ 5 @ 1
Disassembly / assembly
Electric shock
The PCB below the transparent screw cap (EEPROM cover) is at the potential of the DC link circuit
(approx. ½ UZW = 500 V DC). Touching the PCB or its components will result in an electric shock.
• Only remove the transparent screw cap when the frequency inverter is switched off and it has
been established that no voltage is present.
• Only put
the frequency inverter into operation again after the transparent screw cap has been
correctly fitted.
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