Siemens Simatic S7-1500 Manuel de l'utilisateur - Page 14

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2.2

Functions

2.2.1

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 V1.1.0 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

Digital output module DQ 16x24VDC/0.5A HF (6ES7522-1BH01-0AB0)

Manual, 06/2018, A5E35683409-AC

Product overview

2.2 Functions