Siemens SIMATIC S7-1200 System Manual page 1371

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Table of Contents

Technical data

Pulse outputs

Pulse catch inputs

Time delay interrupts

Cyclic interrupts

Edge interrupts

Real time clock accuracy

Real time clock retention time

The slower speed is applicable when the HSC is configured for quadrature mode of operation.

For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.

Type of instruction

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

Up to 4 configured to use any built-in or SB outputs

100 kHz (Qa.0 to Qa.3)

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

1.17 μs/instruction

1.0 μs/instruction

1.78 μs/instruction

A.4 CPU 1211C