Siemens SIMATIC S7 Functional Safety Manual page 173

Model
Module fault display
Diagnostic information can be displayed
Table A- 47 Performance
Model
Tmax_i: Internal cycle time
Table A- 48 Power supply (L+, M)
Model
Voltage range
Surge voltage
Input current
Hold up time (loss of power)
Internal fuse, not user replaceable
Reverse polarity protection
Table A- 49 Sensor power (Vs1 / Vs2)
Model
Number of outputs
Voltage range
Output current rating (maximum)
Permissible total current of outputs
Short-circuit protection:
Operating value
•
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
A.3 Fail-Safe signal module (SM) technical specifications
SM 1226 F-DI 16 x 24 VDC
Red / Green LED (DIAG)
Possible (TIA Portal, HMI, or Web page)
SM 1226 F-DI 16 x 24 VDC
TBD
Note: Refer to "Fail-Safe signal module (SM) response times"
(Page 197) for further information.
SM 1226 F-DI 16 x 24 VDC
20.4 VDC to 28.8 VDC
35 VDC for 0.5 s
130 mA with no current out of Vs1 and Vs2
•
730 mA with maximum current out of Vs1 and Vs2
•
1.0 ms at 20.4 VDC
2.5 A
Yes
SM 1226 F-DI 16 x 24 VDC
2
L+ minus 2.0 VDC minimum
300 mA
600 mA
Yes
0.7 A to 2.1 A
Technical specifications
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