02.2004 Communication / USS
Siemens AG 6SE7087-6QX70 (Version AD)
SIMOVERT MASTERDRIVES Compendium Motion Control 8.1-23
8.1.4 Connecting-up
♦ The equipment is operated at high voltages. They must be in a no-
voltage condition (off load) during all connecting work!
♦ When work is being done on the unit, it must be in a no-load
condition, i.e. it must be disconnected and locked-out from the line
supply.
♦ Only appropriately qualified personnel may work on or with the
equipment.
♦ Death, severe bodily injury or considerable material damage may
result if this warning is not complied with.
♦ Due to the DC link capacitors, there are still hazardous voltage
levels in the equipment for at least 5 minutes after it has been
disconnected from supply. There must therefore be a delay of at
least 5 minutes before the unit is opened.
♦ The power terminals and the control terminals can still carry
hazardous voltage even when the motor has been shut down.
8.1.4.1 Bus cable connection
On SIMOVERT MASTERDRIVES, connection of the USS bus cable
depends on the control version and, in the case of MC units, it is
dependent on the respective type of construction.
With the "Compact PLUS" type of unit, either terminal strip X100 or
connector X103 can be used to connect up the USS bus cable. The
exact pin assignment is given in the relevant operating instructions for
the basic unit.
With "Compact type" and "chassis type" units, the SCom1 and SCom2
interfaces can be operated at the same time on terminal strip X103 with
the USS protocol. Alternatively, connector X300 can be used as
SCom1. The exact pin assignment of terminal strip X103 or connector
X300 is given in the relevant operating instructions of the basic unit.
In the case of the "Compact type" and "chassis type" units, either the
connection of terminal strip X101 (SCom2) or X300 (SCom1) can be
used to connect up the USS bus cable. The exact pin assignment of
terminal strip X101 or connector X300 is given in the relevant operating
instructions of the basic unit.
In the case of the SCB2 board, the bus cable is terminated at terminal
strip X128. The exact pin assignment and other notes on termination
are given in the operating instructions for the SCB2.
In the case of the T100 technology board, the USS protocol is
implemented at interface 1. The bus cable is terminated at terminal strip
X132. The exact pin assignment and other notes on termination are
given in the hardware operating instructions for the T100.
DANGER
MC, VC,
"Compact PLUS"
type
MC,
"Compact type" and
"chassis type"
VC,
"Compact type" and
"chassis type"
SCB 2 board
Technology board
T100
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