Siemens SINAMICS G150 Operating Instructions Manual page 180

Electrical installation
4.11 Other connections
X481 Digital inputs/outputs
Table 4- 72 Terminal block X481
Terminal
1
2
3
4
5
6
7
8
Max. connectable cross-section: 0.5 mm
DI: digital input, DO: Digital output
1)
Note
An open input is interpreted as "low".
The power supply and the digital inputs/outputs are isolated from the Control Unit.
Note
If the 24 V supply is briefly interrupted, then the digital outputs are deactivated during this
time.
178
Designation
1)
DI 0
DI 1
DI 2
DI 3
DO 0
DO 1
DO 2
DO 3
2
Technical data
Voltage: - 3 ... 30 V
Current drain, typical: 10 mA at 24 VDC
Ground reference: X424. M
Input delay:
- for "0" to "1": 20 μs
- for "1" to "0": 100 μs
Level (incl. ripple)
High level: 15 ... 30 V
Low level: -3 ... 5 V
Voltage: 24 V DC
Max. load current per output: 500 mA
Ground reference: X424.M
Sustained short-circuit-proof
Output delay:
- for "0" to "1": Typ. 150 μs at 0.5 A resistive load (500 μs
maximum)
- For "1" to "0": Typically 50 μs at 0.5 A ohmic load
Operating Instructions, 03/2012, A5E03263466A
Converter cabinet units