18
Operating Instructions – MOVIFIT® FDC
3
ABOX (passive connection unit)
Unit Structure
3.4.1
Maintenance switch
The maintenance switch of the ABOX is used to disconnect the AC 400 V power supply
in the ABOX. The maintenance switch can be secured with 3 locks.
When the maintenance switch is in "0" position, the MOVIGEAR
®
and DRC drive units
are disconnected from the 400 V voltage supply. Voltage is still present on some termi-
nals in the ABOX.
As an alternative, the ABOX is equipped with the following line and equipment protec-
tion:
WARNING
Electric shock due to dangerous voltages present in the ABOX.
Severe or fatal injuries.
• Disconnect the power interface from the power supply before you perform any work
on the unit.
• Observe a minimum switch-off time of 5 minutes after disconnecting the power
supply.
INFORMATION
When a valid enable signal for a MOVIGEAR
®
or DRC drive unit is pending at
MOVIFIT
®
FDC, the motor is supplied with current as soon as the maintenance switch
is set to "1".
NOTICE
Increased wear of the switch contacts.
Destruction of the switch contacts.
• Do not operate the maintenance switch under load.
Cable cross section
SNI cable / hybrid cable
Short designation
Line and equipment protection
4 x 2.5 mm
2
/ 4 x AWG14
M16
15 A
4 x 4.0 mm
2
/ 4 x AWG12
M20
20 A
Summary of Contents for MOVIFIT FDC
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