Configuration and Connection Examples 12.2010
6SE7087-6QX70 (Version AM) Siemens AG
2-14 Compendium Motion Control SIMOVERT MASTERDRIVES
If a fault occurs in the rectifier unit, a fault message is output via the
connecting contacts of the signaling relay.
When the 24 V supply is connected, the relay closes as long as no fault
is present.
In the event of a fault, the lock of the line contactor is opened, the
contactor drops out and the drives coast down.
The USS bus is used for the internal communication of the units and
only has to be connected if it is required.
The digital inputs and outputs and the analog input and output have to
be assigned according to the requirements of the drives.
If the digital inputs are supplied from an external 24 V supply, this must
be referenced to frame X101.2.
CAUTION
: Terminal X101.1 may
not
be connected with the
external 24V supply.
The serial interface is used to connect the user-friendly OP1S operator
control panel or a PC. It can be operated either according to the RS232
or the RS485 protocol.
Please refer to the relevant operating instructions for the applicable
measures and notes for correct operation.
The use of an output contactor is purposeful if a motor needs to be
electrically isolated from the converter/inverter with the DC link
charged.
Use of a line filter is necessary if the radio interference voltages
generated by the converters or rectifier units need to be reduced.
The use of output reactors, sinusoidal or dv/dt filters is not permissible
for MASTERDRIVES MC units.
The "Safe STOP" option enables the power supply for the transmission
of pulses into the power section to be interrupted by a safety relay. This
ensures that the unit will not generate a rotating field in the connected
motor.
An AC 230 V connection is necessary for the fans on all the chassis-
type units (via X18: 1, 5).
On Compact units of type D, the voltage has to be connected directly at
the fan fuses F101 and F102.
This contact opens if there is a fault in the braking unit. It enables the
corresponding converter and the line contactor to be de-energized via a
digital input of the X101 control terminal strip and via parameterization
at "External fault 2" (P586). The thermal contact can be switched in
series if an external braking resistor is used.
On a multi-axis drive, depending on the application, a check has to be
made as to where the NC contact has to be looped in. It must be borne
in mind that contact X38: 4,5 does not close until the DC link voltage
has built up at the braking unit.
7) Fault signaling
relay
8) Internal USS bus
9) X101
11) X300 serial
interface
13) Output contactor
14) Line filter
15) Motor supply
line
16) Safe STOP
(Option for
chassis units)
18) Fan supply
19) Monitoring of
braking unit
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