Installing Optional Boards On Units With A Width Of 135 Mm And 180 Mm - Siemens SIMOVERT MASTERDRIVES Operating Instructions Manual

10.98
5.2.2 Installing optional boards on units with a width of 135 mm and
180 mm
Disconnecting the
rectifier unit from
the mains
NOTE
Opening the unit
Removing the slot
cover
Removing the
optional board
Mounting the
optional board
Siemens AG 6SE7087-6KP50
SIMOVERT MASTERDRIVES
Disconnect the rectifier unit from the power supply and and switch OFF
the unit. Remove the 24V power supply for the electronics. Take off all
connecting leads.
In the case of units with mounting widths of 135 mm and 180 mm,
optional boards can be fitted with the power section in place
♦ Loosen the 2 fixing screws on the front of the unit at the top. There
is no need to remove the screws completely, since cutouts are
provided in the housing to permit the front to come away after the
screws have been loosened.
♦ Carefully swing the upper front section forwards (approx. 30 °) away
from the housing.
♦ At the power section, open the locking lever of the ribbon cable that
connects up with the control electronics.
♦ Take off the front of the unit by moving it forwards.
♦ Remove the cover of the selected slot on the front panel.
♦ To do so, you must carefully cut through the four connecting points
of the cover on the front panel with a thin knife.
♦ Undo the two optional board screws by about one turn each.
♦ Loosen the connection between the system connector and the
board so as to prevent any mechanical tension arising when the
screws are fully unscrewed.
♦ Take out the optional board screws and remove the board.
♦ Insert the optional board from the behind the broken-out slot conver
€
( ) until the position of the 64-pole system connector on the
electronic board corresponds with the position of the socket.
♦ Insert the option board into the 64-pole system connector on the
ó
electronic board (
♦ Screw the optional board tight at the fastening points in the front
section of the optional board with the two screws (
Operating Instructions
).
Installation
ì
).
5-7