Interfaces - Siemens SINAMICS S120 Equipment Manual

Options
8.27 L61/L62, L64/L65, braking units
8.27.2

Interfaces

Connection for the braking resistor
The braking resistor is connected directly to the Braking Module in the Active Line Module,
Motor Module, Basic Line Module, or Smart Line Module.
Table 8- 32
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- 33
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)
404
Connection for the braking resistor
Designation
Braking resistor connection R+
Braking resistor connection R-
Terminal block -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 specifications
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 to 0.6 mA
Voltage: +18 to 30 V
Typical current consumption (intrinsic consumption):
10 mA at 24 V DC
2
):
2
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A