SIEMENS
SINAMICS G180
Option descriptions
Standard options
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Siemens D 18.1 · 2014
4
■
Options
(continued)
G05
Peripheral board 4
G05
Peripheral board 4 in the compact unit
G05
Peripheral board 4 in the cabinet unit
Option
G05
(peripheral board 4) provides in addition to the
standard terminals:
•
2 analog outputs (AO) 4 to 20 mA/0 to 10 V
•
2 PTC thermistor inputs, one certified for ATEX (disconnec-
tion), one warning for motor temperature monitoring of motors
in a hazardous area
•
One digital input "Safe Torque Off" acc. to EN ISO 13849-1,
Cat. 3/(STO) implemented according to SIL 2
acc. to EN 61508
9 digital inputs (DI)
•
3 relay outputs (DO)
In addition, the relay outputs here are not only isolated from
the converter electronics but also from each other.
•
24 V / 300 mA power supply unit
•
ATEX-certified PTC thermistor monitoring without contactor
through monitoring unit integrated in converter, certified to
SIL 1 in accordance with EN 61508
PTC thermistor monitoring without contactor through monitoring
unit integrated in converter, certified to SIL 1 in accordance with
EN 61508 or Category 2, PL c in accordance with
EN ISO 13849-1
The converter controller processes the signal of the peripheral
board. In the event of excessive motor temperature, or the
function "Safe Torque Off", the converter inhibits the firing signals
of the IGBTs. The voltage supply of the driver stages is also
switched off. These two switch-off paths ensure that the power
infeed to the motor is immediately interrupted. Further heating or
rotation of the motor is excluded. The converter can only be reset
or switched on when the motor has cooled down sufficiently.
When the voltage fails, the converter safely interrupts the power
infeed to the motor, because firing signals are no longer trans-
ferred. If a fault was active at the moment of power failure, the
converter will also be in fault status when power is restored.
SIL 2 (acc. to EN 61508) – STO (Safe Torque Off).
Safe Torque Off (STO) function implemented according to SIL 2
to EN 61508.
The "Safe Torque Off" (STO) function has a redundant switch-off
path in the converter. The implementation is performed using
hardware. A relay in the power unit of the converter disconnects
the power supply of the IGBT driver. A second circuit, also via
hardware, produces a controller disable. Both switch-off paths
are based on the closed-circuit principle, i.e. a failure of the
control voltage results in shutdown of the converter.
The "Safe Torque Off" input can be implemented with either
one or two channels. The board is coded for single-channel
activation at the factory. If two-channel activation is required,
please specify this in the order. Digital input X2:24 is reserved for
the two-channel version.
Subsequent changeover from single-channel to two-channel is
only permitted to be implemented by our authorized qualified
personnel.
Standard assignment of inputs/outputs
The table below provides an overview of the pre-assignment
function of interfaces in the pin assignments for the "Standard"
application.
Signal designation
Function
Internal digital input 19, 20
24 V DC; "Safe Torque Off"
acc. to EN ISO 13849-1,
Cat. 3; or SIL 2 acc. to EN 61508
Internal digital input 6, 7, 21, 22,
23, 24, 25, 26
Freely parameterizable
Internal PTC thermistor
input 90, 91
PTC thermistor for disconnection
(ATEX-certified)
Internal PTC thermistor
input 92, 93
PTC thermistor for warning
Internal digital output 43, 44, 45
Relay 5: "Motor temperature trip"
Internal digital output 46, 47
Relay 6: "Automatic mode
(normal)"
Internal digital output 48, 49
Relay 7: "Speed 0"
Internal analog output 64, 65
Torque
Internal analog output 66, 67
Power
© Siemens AG 2014