9
Operation
Control of the brake modules
Operating Instructions – MOVIPRO
®
PHC11A-..M1-..2A-A1/..
88
9 Operation
WARNING
When the unit is switched on, dangerous voltages are present at the connectors and
at any connected cables and motor terminals. This also applies even when the fre-
quency inverter of the unit is inhibited and the motor is at standstill.
Severe or fatal injuries from electric shock
• Do not change the switch under load.
• Before working on the unit, disconnect it from the voltage supply. Dangerous vol-
tages may still be present at the terminals and connections for up to 10 minutes
after disconnection from the power supply.
• The unit output may only be switched when the output stage of the frequency in-
verter is inhibited.
WARNING
Danger due to unintended motor startup.
Severe or fatal injuries.
• Comply with the startup instructions.
• Set the controller inhibit.
• Switch off the output stage.
• Decouple the drive.
• Deactivate the auto-reset function for drives that start up automatically.
WARNING
Electric shock due to charged capacitors.
Severe or fatal injuries.
• Observe a minimum switch-off time after disconnecting the supply system:
10 minutes.
CAUTION
Danger of burns due to hot surfaces of the unit or connected options, e.g. braking
resistors.
Injury.
• Provide for covers to secure hot surfaces.
• Install the protection devices according to the regulations.
• Check the protection devices on a regular basis.
• Let the unit and the connected options cool down before you start working on
them.
20278543/EN – 09/2014
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