SIEMENS
5/17
Siemens D 35 · 2017
■
Options
(continued)
5
SINAMICS G120P Cabinet, converter cabinet units
SINAMICS G120P Cabinet, 75 kW to 630 kW
SINAMICS G120P Cabinet
L19
Connection for external auxiliary equipment
With this option, a controlled outgoing feeder fused with max.
10 A for external auxiliary equipment (e.g. separately driven fan
for motors) is provided in the cabinet. The outgoing feeder can
either be controlled internally in the converter or externally
(customer-specific).
The 3 AC supply voltage for the external auxiliary equipment is
tapped from the line connection side in the cabinet and therefore
corresponds to the nominal value of the mains connection volt-
age.
Additional connection points are available for feedback contacts
of motor circuit breakers and the control contactor.
Caution:
If there is no 230 V AC power supply in the customer installation,
it is essential to select option
K74
in order to ensure proper func-
tioning of option
L19
.
L26
Main switch incl. fuses
A switch disconnector with fuses is available as main switch.
Switch disconnectors offer reliable personnel protection and
consistently help to prevent electrical accidents. Maintenance or
expansion work can be performed hazard-free on open control
cabinets thanks to safe voltage disconnection. Unwanted or un-
authorized switching can be reliably prevented with a suitable
locking function.
SINAMICS G120P Cabinet converter cabinet units are reliably
protected against overload and short-circuit by the combination
of switch disconnectors and quick-acting semiconductor fuses.
For this reason, only high-quality Siemens SITOR semiconductor
fuses are deployed for all power ratings and line voltage levels.
L45
EMERGENCY OFF pushbutton, installed in the cabinet door
The EMERGENCY OFF button with protective collar is installed
in the converter cabinet door and its contacts are connected to
the terminal block. The EMERGENCY OFF functions of
Category 0 or 1 can be activated in conjunction with options
L57
and
L60
.
Notice:
By pressing the EMERGENCY OFF pushbutton, in compliance
with EN 60204-1, the motor is stopped – either uncontrolled or
controlled depending on the selected Category 0 or 1 – and the
converter isolated from the line supply. Auxiliary voltages, such
as the cabinet-internal 230 V AC auxiliary power supply (option
K74
), may still be present. Certain areas within the converter
also remain live, e.g. the control or auxiliaries. If complete dis-
connection of all voltages is required, the EMERGENCY OFF
button must be incorporated into a protective system to be im-
plemented by the customer. For this purpose, an NC contact is
provided at terminal –X120.
The EMERGENCY OFF button is preconfigured at the factory
only when one of the options
L57
or
L60
is selected simultane-
ously. Other circuit arrangements must be implemented in the
customer installation.
L50
Cabinet lighting with service socket
Optionally, cabinet lighting and a service socket for a
SCHUKO connector (plug type F) can be installed in every
SINAMICS G120P Cabinet unit according to CEE 7/4 for the
power supply of electrically operated tools or auxiliary devices.
The cabinet lighting consists of an LED hand lamp with an
On/Off switch and magnetic fasteners. The lamp connecting
cable is approximately 3 m (9.84 ft) long. The lamp is factory-
positioned in the cabinet door at a defined marking, and the
connecting cable is wound on the associated mount.
In order to be able to operate the handheld lamp and socket
even when the cabinet is switched off, the voltage supply (at ter-
minal strip -X390) must be provided externally with a separate
line input. The AC supply can be freely selected within the range
of 110 to 230 V AC and must be fused with max. 10 A.
L55
Anti-condensation heating for cabinet
The anti-condensation heating is recommended at low ambient
temperatures and high levels of humidity to prevent condensa-
tion. A 100 W electrical cabinet heater is installed for each cab-
inet section (two heaters are installed for each section for cabi-
net section widths from 800 mm to 1200 mm).
The power supply for the anti-condensation heating (110 V to
230 V AC, at terminal block –X240) must be provided externally
from a 230 V AC power supply and fused with max. 16 A.
L57
EMERGENCY OFF Category 0, 24 V DC
EMERGENCY OFF Category 0 for uncontrolled stopping in
accordance with EN 60204-1.
The function includes interrupting the power feed for the con-
verter via the line contactor and bypassing the microprocessor
controller using a safety combination according to EN 60204-1.
The motor coasts down.
Notice:
If there is no 230 V AC power supply in the customer installation,
it is essential to select option
K74
in order to ensure proper func-
tioning of option
L57
.
Notice:
Option
L57
always requires the electrical separation from the
line supply, i.e. option
L13
.
Terminal
–X240:
Significance
1
L1 (110 ... 230 V AC)
2
N
3
PE
Terminal
–X120:
Significance
3
Looping in of the EMERGENCY STOP button from the
customer installation; remove jumper 3-6!
6
Looping in of the EMERGENCY STOP button from the
customer installation; remove jumper 3-6!
7
"On" for monitored start; remove jumper 15-16!
8
"On" for monitored start; remove jumper 15-16!
© Siemens AG 2017