Power supply modules
Final works
6
260
EDS94SPP101 EN 7.1
6.8 Final works
Danger!
Dangerous voltage!
Depending on the device, the DC-bus voltage is still charged for
approx. 3 ... 20 min after switching off the mains voltage.
ƒ The state of charge is not indicated!
ƒ On synchronous motors self-discharge only starts after a possible feedback
operation has been completed.
ƒ Discharging the DC bus in a controlled manner via the brake chopper/brake
resistor requires the external 24 V supply ( digital input DI1).
Possible consequences:
ƒ Death or severe injuries when touching the terminals.
Protective measures:
ƒ Before starting work on the system check that it is deenergised.
ƒ Wait at least 3 minutes after switching off the mains voltage.
ƒ Only remove deenergised standard devices from the installation backplanes
and do not touch any terminals.
How to proceed:
ƒ Adjust the setting for the mains voltage/brake chopper threshold to the mains
Setting of mains voltage/brake chopper threshold 2
Pos. U
LN
[V] U
BRmax
[V] 1
500 V
480 V
400 V
230 V
ON
MAINS
12
500 790
OFF
OFF
480 765
ON
OFF
400 725
OFF
ON
230 390
ON
ON
94APNEDS01
ƒ Switch on the 24 V supply
ƒ Check the operating status by means of the LED display
If you want to continue commissioning:
ƒ Switch on the mains
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