Siemens SIMATIC S7-1200 - Page 1426

Technical specifications
A.8 CPU 1217C
S7-1200 Programmable controller
1426 System Manual, V4.2, 09/2016, A5E02486680-AK
Technical data
Description
Pulse outputs Up to 4 configured to use any built-in or SB outputs (refer to CPU 1217C Digital
output (DQ) H/W configuration table) (Page 1430)
• 1 MHz (Qa.0 to Qa.3)
• 100 kHz (Qa.4 to Qb.1)
Pulse catch inputs
14
Time delay interrupts
4 total with 1 ms resolution
Cyclic interrupts 4 total with 1 ms resolution
Edge interrupts
12 rising and 12 falling (16 and 16 with optional signal board)
Memory card
SIMATIC memory card (optional)
Real time clock accuracy
+/- 60 seconds/month
Real time clock retention time
20 days typ./12 days min. at 40 °C (maintenance-free Super Capacitor)
1
The slower speed is applicable when the HSC is configured for quadrature mode of operation.
Table A- 89 Performance
Type of instruction
Execution speed
Direct addressing (I, Q and M)
DB accesses
Boolean
0.08 μs/instruction
Move
Move_Bool
0.3 μs/instruction
1.17 μs/instruction
Move_Word
0.137 μs/instruction
1.0 μs/instruction
Move_Real
0.72 μs/instruction
1.0 μs/instruction
Real Math
Add Real
1.48 μs/instruction
1.78 μs/instruction
Note
Many variables affect measured times. The above performance times are for the fastest
instructions in this category and error
-free programs.