Duration of overvoltage
≤ 500 ms
Recovery time
≥ 50 s
Events per hour
≤ 10
Transient voltage interruptions
Outage time
≤ 3 ms
Recovery time
≥ 10 s
Events per hour
≤ 10
More information
More information about recommended power supply units and tables for calculating the current
drawn for SINAMICS S120 module lineups can be found in the:
• SINAMICS S120 Booksize Power Units Manual
8.6
DRIVE-CLiQ components
8.6.1
Application
The components of the SINAMICS S120 drive family and the NCU are interconnected using
DRIVE-CLiQ. When connecting the components, please follow the rules in the documentation
below without exception:
The "Communication in the system" chapter of the "Machine configuration guidelines" System
Manual.
Properties
• Automatic detection of components
• 24 V / 450 mA per DRIVE-CLiQ interface is provided for the connection of encoders and
measuring systems
DRIVE-CLiQ pin assignment
Table 8-5
DRIVE-CLiQ interface X100 - X103
PIN
Signal name
Signal type Meaning
1
TXP
O
Transmit data +
2
TXN
O
Transmit data -
3
RXP
I
Receive data +
4
-
-
Reserved, do not use
5
-
-
Reserved, do not use
6
RXN
I
Receive data -
7
-
-
Reserved, do not use
Connecting
8.6 DRIVE-CLiQ components
NCU 1740
Equipment Manual, 10/2021, A5E51087503B AA
65