Siemens SINAMICS S150 - Page 74

Controlling the safety functions
5.3 Control of "STO" and "SS1" via terminals on the Control Unit and the Motor/Power Module
Safety Integrated
72 Function Manual, 08/2023, A5E03264275A
Terminal strip -X122 on the CU320-2 Control Unit
Table 5- 16 Terminal strip -X122 on the CU320-2 Control Unit
Terminal
Designation
1)
Technical data
1
DI 0
Voltage: -3 … +30 V DC
Electrical isolation: Yes
Reference potential: M1
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. 50 μs
for "1" → "0": typ. 150 µs
2
DI 1
3
DI 2
4
DI 3
5
DI 16
6
DI 17
7
M1
Reference potential for terminals 1 … 6
8
M
Electronics ground
9
DI/DO 8
As input:
Voltage: -3 … +30 V DC
Electrical isolation: no
Reference potential: 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. 5 μs
for "1" → "0": typ. 50 μs
DI 8, DI 9, DI 10 and DI 11 are "fast inputs"
2)
As output:
Voltage: 24 V DC
Electrical isolation: no
Reference potential: M
Output voltage
"1" signal, with load: > X124.+ -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. 400 μs (ohmic load)
for "1" → "0": typ. 75 µs / max. 100 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
10
DI/DO 9
11
M
12
DI/DO 10
13
DI/DO 11
14
M