Siemens SINAMICS S120 Combi - X520 Sensor Power Supply; X521 Fail-Safe Digital Inputs + Power Supply with Forced Dormant Error Detection

Additional system components
9.1 Terminal Module TM54F
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
207
9.1.3.4
X520 sensor power supply
Table 9- 4 X520: Sensor power supply
Terminal
Designation
Technical data
1 L3 Voltage: +24 V DC
Max. total load current: 500 mA
2 M1
Without forced dormant error detection
9.1.3.5
X521 fail-safe digital inputs + power supply with forced dormant error detection
Table 9- 5 Terminal block X521
Terminal
Designation
1)
Technical data
1 L1+ Voltage: +24 V DC
Max. total load current: 500 mA
2
DI 0
F-DI 0 Voltage: -3 … +30 V DC
Current consumption, typical: 3.2 mA at 24 V
Electrical isolation:
Reference potential, refer to terminals 6, 7, 8
All digital inputs are electrically isolated.
Level (incl. ripple)
High level: 15 … 30 V
Low level: -3 … +5 V
Input delay:
2)
for "0" → "1": 30 μs (100 Hz)
for "1" to "0": 60 μs (100 Hz)
3
DI 1+
4
DI 2
F-DI 1
5 DI 3+
6
DI 1-
F-DI 0
Reference potential for DI 1+
7 DI 3- F-DI 1 Reference potential for DI 3+
8
M1
Reference potential for DI 0, DI 2, L1+
An F-DI comprises a digital input and a 2nd digital input where, in addition, the cathode of the optocoupler is fed-out.
F-DI 0 = terminals 2, 3 and 6
F-DI 1 = terminals 4, 5 and 7
Type: Screw terminal 1 (Page 307)
Max. connectable cross-section: 1.5 mm²
Tightening torque: 0.22 … 0.25 Nm
1)
DI: Digital input, F-DI: Fail-safe digital input
2)
Pure hardware delay