Safety instructions
Residual hazards
2
l
38
EDK94ARN24 ZH/EN 2.1
Disposal
Recycle metal and plastic materials. Ensure professional disposal of assembled PCBs.
The product−specific safety and application notes given in these instructions must be
observed!
2.2 Residual hazards
Protection of persons
ƒ Before working on the power supply module, check that all power terminals are
deenergised
– because the power terminals L1, L2, L3, +UG, −UG, Rb1, Rb2, X109 and X110 carry
hazardous voltages for at least 3 minutes after mains disconnection.
– because the power terminals carry hazardous voltages even when only the mains
voltage is applied.
Device protection
ƒ Connect/disconnect all pluggable terminals only in deenergised condition!
ƒ Detach the power supply modules from their installation backplanes only in
deenergised condition!
ƒ The unit only functions properly when the 24 V supply is switched on!
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