Status LEDs, Display and Control Elements

Depending on the device type, various operating elements provided on the front panel can be used to control the devices of the PLC system and/or to change the operating mode.

Operating elements:

• Status LEDs:

  Indicates the availability of devices/components such as Communication Modules, Communication Interface Modules or Function Modules. Functionality of the status LEDs depends on the specific module and is described in the device description of the appropriate module. Possible status: on/off/blinking

• I/O LEDs:

  Displays the status of the the inputs and outputs.

• LED display:

  Available for some Processor Modules. It can be used for simple configurations.

• Buttons and switches:

  Allows to change the current operating modes/status manually.