X481 Digital Inputs/Outputs - Siemens SINAMICS S120 Manual
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- Function manual (1094 pages) ,
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Option boards
5.5 Terminal Board TB30
5.5.2.3
X481 digital inputs/outputs
Table 5-14
X481: Digital inputs/outputs
Terminal
1
2
3
4
5
6
7
8
Type: Spring-loaded terminal 1 (Page 320)
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 with respect to the Control Unit.
Note
If the 24 V supply is briefly interrupted, then the digital outputs are deactivated during this time.
108
Designation
1)
DI 0
DI 1
DI 2
DI 3
DO 0
DO 1
DO 2
DO 3
Technical data
Voltage: -3 ... 30 V DC
Electrical isolation: Yes
Reference potential: X424.M
Input characteristic acc. to IEC 61131-2, type 1
Input voltage (including ripple)
"1" signal: 15 ... 30 V
"0" signal: -3 ... +5 V
Input current
at 24 V DC: typ. 3.5 mA
at <0.5 mA: Signal "0" reliably detected
Input delay
for "0" → "1": typ. 20 μs
for "1" → "0": typ. 100 µs
Voltage: 24 V DC
Electrical isolation: Yes
Reference potential: X424.M
Output voltage
"1" signal, with load: > X424.+ -2 V
Output current
for each output: ≤ 0.5 A
Sum of all four outputs: ≤ 2 A
Residual current for "0" signal: < 0.5 mA
Short-circuit protection, automatic restart after a short-
circuit
Load types: ohmic, capacitive, inductive
Output delay
3)
for "0" → "1": typ. 150 μs / max. 500 μs (ohmic load)
for "1" → "0": typ. 50 µs (ohmic load)
Switching frequency
for ohmic load: Max. 100 Hz
For inductive load: Max. 0.5 Hz
For lamp load: max. 10 Hz
Lamp load: max. 5 W
Control Units and additional system components
Equipment Manual, 06/2020, 6SL3097-5AH00-0BP2
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