X121 Digital Inputs/Outputs - Siemens SINAMICS S120 Equipment Manual

8.3.2.6

X121 digital inputs/outputs

Table 8- 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 384)
Max. cross-section that can be connected: 1.5 mm
AC Drive
Manual, 06/2019, 6SL3097-5AL00-0BP1
Control Units, Control Unit Adapters and operating components
Designation Technical data
1)
DI 0 Voltage: -3 ... +30 V DC
Electrical isolation: Yes
DI 1
Reference potential: M2
DI 2
Input characteristic acc. to IEC 61131-2, type 1
DI 3
Input voltage (including ripple)
"1" signal: 15 ... 30 V
"0" signal: -3 ... +5 V (at ≤ 2 mA)
Input current
at 24 V DC: typ. 3.5 mA
For "1" signal: > 0.5 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 V DC
DI/DO 9
Electrical isolation: no
GND
Reference potential: M
DI/DO 10
Input characteristic acc. to IEC 61131-2, type 1
DI/DO 11
Input voltage (including ripple)
"1" signal: 15 ... 30 V
GND
"0" signal: -3 ... +5 V (at ≤ 2 mA)
Input current
at 24 V DC: typ. 3.5 mA
For "1" signal: > 0.5 mA
Input delay (typ.):
For "0" → "1": 5 μs
For "1" → "0": 50 μs
DI/DO 8, 9, 10 and 11 are fast inputs
As output:
Voltage: 24 V DC
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 resistive load: Max. 100 Hz
For inductive load: Max. 0.5 Hz
For lamp load: Max. 10 Hz
Maximum lamp load: 5 W
(AWG 16)
2
8.3 Control Unit CU310-2 PN (PROFINET)
2)
:
3)
237