Siemens simatic ET 200MP Manual - Página 18

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Siemens simatic ET 200MP Manual
2.2.2

Switching cycle counter

The function records the number of switching cycles of the output and thus the switching
cycles of a connected actuator, such as those of solenoid valves. When the specified
number of switching cycles is reached, the "Limit value warning" maintenance interrupt is
triggered, provided it is configured and enabled. When replacing the actuator, you can reset
the switching cycle counter from the user program.
When replacing modules, you have the option of pre-initializing the switching cycle counter
from the user program.
Typical areas of application:
● Recording the number of switching cycles of the connected devices, e.g. solenoid valves
or load contactors
● Predictive maintenance
Advantages
● You configure this function instead of programming.
● "Monitoring" of each individual channel is possible. You can select which outputs are
"monitored".
● You can adapt the plant configuration flexibly and individually.
● Easy to service and maintain. You can enable and disable the switching cycle counter via
the user program.
● Increase in plant availability. You can schedule actuator replacement in advance for the
next maintenance cycle.
Requirement
Firmware version as of V2.2.0 of the module.
Configuration
You configure the switching cycle counter with the following parameters:
● Switching cycle counter enabled/disabled
● Trigger maintenance interrupt when the limit is reached
● Set limit for maintenance interrupt
DQ 8x24VDC/2A HF Digital Output Module (6ES7522-1BF00-0AB0)
Manual, 06/2018, A5E03485650-AF
Product overview
2.2 Functions
17