X121 Digital Inputs/Outputs - Siemens SINAMICS S120 Manual

7.3.2.6

X121 digital inputs/outputs

Table 7- 8 X121 digital inputs and bidirectional digital inputs/outputs
Terminal
1
2
3
4
5
6
7
8
9
10
11
12
Type: Spring-loaded terminal 1 (Page 371)
Max. cross-section that can be connected: 1.5 mm
DI: Digital input; DI/DO: Bidirectional digital input/output
1)
The rapid inputs can be used as probe inputs or as inputs for the external zero mark
2)
Data for: V = 24 V; load 48 Ω; high ("1") = 90% V
3)
cc
AC Drive
Manual, (GH6), 07/2016, 6SL3097-4AL00-0BP5
Control Units, Control Unit Adapters and operating components
Designation Technical data
1)
DI 0 Voltage: -3 ... 30 VDC
Current consumption, typical: 6 mA at 24 V
DI 1
Electrical isolation: via optocoupler
DI 2
Level (incl. ripple)
DI 3
High level: 15 ... 30 V
Low signal level: -3 ... 5 V (at ≤ 2 mA)
Input delay (typ.):
For "0" → "1": 50 μs
For "1" → "0": 150 μs
protected against polarity reversal
M2 Reference potential for digital inputs DI 0 to DI 3
GND Ground reference for the electronics
DI/DO 8 As input:
Voltage: -3 ... 30 VDC
DI/DO 9
Current consumption, typical: 5 mA at 24 V
GND
Level (incl. ripple)
DI/DO 10
High level: 15 ... 30 V
DI/DO 11 Low signal level: -3 ... 5 V (at ≤ 2 mA)
DI/DO 8, 9, 10, and 11 are rapid inputs
GND
Input delay (typ.):
For "0" → "1": 5 μs
For "1" → "0": 50 μs
As output:
Voltage: 24 VDC
Max. load current per output: 500 mA
Output delay (typ. / max.)
For "0" → "1": 150 µs / 400 μs
For "1" → "0": 75 µs / 100 μs
Short-circuit, ground fault, overload proof
Automatic switch on again after overload trip
Switching frequency:
for ohmic load: Max. 100 Hz
For inductive load: Max. 0.5 Hz
For lamp load: Max. 10 Hz
Maximum lamp load: 5 W
2
; low ("0") = 10% V
out
7.3 Control Unit CU310-2 PN (PROFINET)
2)
:
3)
out
231