Activation; Overview; Activation Via F-Di; Fail-Safe Digital Inputs - Siemens SINAMICS G120 Function Manual
Frequency inverter
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Activation
3.1
Overview
You activate the inverter safety functions via fail-safe digital inputs or PROFIsafe (safe bus
communication). There are various ways of doing this depending on the version of the
Control Unit.
When you activate the safety functions
via...
... one F-DI
... three F-DIs
... one F-DI
and / or
... via PROFIsafe
... three F-DIs
and / or
... via PROFIsafe
3.2
Activation via F-DI
3.2.1
Fail-safe digital inputs
In the factory setting for Control Units CU240E-2 ..., the fail-safe digital inputs are not
assigned to the integrated safety functions. It is only at the parameterization stage that you
define, for example, whether digital inputs DI4 and DI5 are to be used for standard functions
or whether a fail-safe dual-channel input is to be created by merging.
Assignment of the fail-safe digital inputs
Table 3- 1
Terminal on the Control Unit
Terminal 16
Terminal 17
Safety Integrated Function Manual, SINAMICS G120
Function Manual, 07/2010, FW 4.3.2, A5E03052391B AA
Fail-safe digital input on Control Units CU240E-2 and CU240E-2 DP
Digital input
DI 4
DI 5
and use the following safety
functions
STO
STO, SS1, SLS
STO
STO, SS1, SLS
Fail-safe input
F-DI 0
3
you will need the
following Control Unit:
CU240E-2
CU240E-2 F
CU240E-2 DP
CU240E-2 DP-F
43
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