Technical data
Pulse outputs
2
Pulse catch inputs
Time delay interrupts
Cyclic interrupts
Edge interrupts
Memory card
Real time clock accuracy
Real time clock retention time
The slower speed is applicable when the HSC is configured for quadrature mode of operation.
1
For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.
2
Table A- 11
Performance
Type of instruction
Boolean
Move
Move_Bool
Move_Word
Move_Real
Real Math
Add Real
Note
Many variables affect measured times. The above performance times are for the fastest
instructions in this category and error-free programs.
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
Description
Up to 4 configured to use any built-in or SB outputs
100 kHz (Qa.0 to Qa.3)
6
4 total with 1 ms resolution
4 total with 1 ms resolution
6 rising and 6 falling (10 and 10 with optional signal board)
SIMATIC memory card (optional)
+/- 60 seconds/month
20 days typ./12 days min. at 40 °C (maintenance-free Super Capacitor)
Execution speed
Direct addressing (I, Q and M)
0.08 μs/instruction
0.3 μs/instruction
0.137 μs/instruction
0.72 μs/instruction
1.48 μs/instruction
Technical specifications
DB accesses
1.17 μs/instruction
1.0 μs/instruction
1.0 μs/instruction
1.78 μs/instruction
A.4 CPU 1211C
1371