Siemens SINAMICS S150 - Page 80

Controlling the safety functions
5.3 Control of "STO" and "SS1" via terminals on the Control Unit and the Motor/Power Module
Safety Integrated
78 Function Manual, 08/2023, A5E03264275A
Terminal strip -X41 of the Motor Modules Chassis-2
Table 5- 19 Terminal strip -X41 of the Motor Modules Chassis and Chassis-2
Terminal
Function
Technical data
-X41:1
EP +24 V (enable pulses)
Supply voltage: 24 V DC (20.4 ... 28.8 V)
Current consumption: 10 mA
The pulse inhibit function is only available when the
"Safety Integrated Basic Functions via onboard termi-
nals" is enabled in the software.
-X41:2
EP M1 (enable pulses)
Terminal strip -X21 on the Motor Modules Booksize
Table 5- 20 Terminal strip -X21 on the Motor Modules Booksize
Terminal
Function
Technical data
-X21:3
EP +24 V (enable pulses)
Supply voltage: 24 V DC (20.4 ... 28.8 V)
Current consumption: 10 mA
Signal propagation times:
L → H: 100 µs
H → L: 1000 µs
The pulse inhibit function is only available when the
"Safety Integrated Basic Functions via onboard termi-
nals" is enabled in the software.
-X21:4
EP M1 (enable pulses)
Terminal strip -X122 on the CU320-2 Control Unit
Table 5- 21 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)
10
DI/DO 9
11
M
12
DI/DO 10
13
DI/DO 11