Interfaces - Siemens SINAMICS S120 Manual

8.32.2

Interfaces

Connection for the braking resistor
The braking resistor is connected directly to the Braking Module in the Motor Module, Basic
Line Module, Smart Line Module and Active Line Module.
Table 8- 52
Terminal
R1
R2
Recommended connection cross sections:
● For option L61/L64 (25 kW): 35 mm²
● For option L62/L65 (50 kW): 50 mm²
Note
For strain relief, the cables must be clamped on the cable propping bar (C-type mounting
bar).
X21 digital inputs/outputs
Table 8- 53
Max. connectable cross-section 1.5 mm
1)
The signals for terminal block -X21 are routed at the factory to customer interface -X55
(maximum connectable cross section 2.5 mm
● Jumper from -X21:2 to -X55-X5:12 (ground)
● Jumper from -X21:3 to -X55-X5:10 (DI/DO14)
● Jumper from -X21:5 to -X55-X5:1 (DI4)
● Jumper from -X21:6 to -X55-X5:7 (DI/DO12)
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A
Connection for the braking resistor
Designation
Braking resistor connection R+
Braking resistor connection R-
Terminal strip X21
Terminal Designation
1 Shield
2 0 V
3 DI inhibit input
4 0 V
5 DO fault output
6 +24 V
DI: digital input; DO: digital output
Technical data
1)
Shield connection for terminals 2 to 6
High signal level: +15 to 30 V
Current consumption: 2 to 15 mA
Low signal level: -3 V to 5 V
Voltage: 24 V DC
Load current: 0.5 mA to 0.6 mA
Voltage: +18 to 30 V
Typical current consumption (intrinsic consumption):
10 mA at 24 V DC
2
):
2
8.32 L61/L62, L64/L65, braking units
Options
435