Startup Procedure of a PLC with System Firmware

The startup procedure depends on the selected PLC mode.

PLC mode Display Startup Behavior
00 ../_images/74475d7bcb18cb960a317f3406fbfc351 Boot project is loaded and all PLC applications are set to “RUN”.
01 ../_images/f820d761f0d2f2ee0a317f344a0f928d No boot project is loaded.
02 ../_images/3a3895cccc5e6b0f0a317f34593df530 Reserved for further development (currently like Mode 00).

Note

Mode 01 can be activated via function key 18211c528264de9a0a317d3117b45afa_19013c5f38a9b5870a331390017da455 (see LEDs, Display and Function Keys on the Front Panel), or by pressing function key 18211c528264de9a0a317d3117b45afa_cd3d8477e387cd920a33139000eba54e during startup of PLC until Mode 01 is shown on display.

State Display Description
0 ../_images/502a3036da2056dd0a317f34259fc881 Display on system start (power on).
1 ../_images/8897da4bda3771660a317f346c47df1c PLC is in boot mode (see LEDs, Display and Function Keys on the Front Panel).
2 ../_images/53185f38da3892ca0a317f345c7be61c PLC is in initialization mode (see LEDs, Display and Function Keys on the Front Panel).
3 ../_images/22c0032ada3989960a317f34186237a3

PLC is in STOP mode (see LEDs, Display and Function Keys on the Front Panel).

Same as status:guilabel:`Stop in Automation_Builder.`

4 ../_images/54082df0da3aa6680a317f341f4217e8

PLC is in RUN mode (see LEDs, Display and Function Keys on the Front Panel).

Switch into RUN mode is only possible if a valid boot project is available in the flash memory.