Putting Into Operation; Switching The Logo!/Power On - Siemens LOGO! Series Manual

2.4

Putting into operation

2.4.1

Switching the LOGO!/Power On

LOGO! does not have a power switch. The reaction of LOGO! during startup depends on the
following:
● Whether a circuit program is stored in LOGO!
● Whether a card is inserted (The card can be a LOGO! memory card, combined
● Whether this is a LOGO! version without display unit (LOGO!...o)
● The status of LOGO! at the time of power failure.
To ensure that the expansion module on LOGO! changes to RUN mode, check the following:
● Has the sliding contact between LOGO! and the expansion module snapped into place
● Is the power supply connected to the expansion module?
● In addition, always ensure that you switch on the power supply to the expansion module
LOGO!
Manual, 04/2011, A5E03556174-01
memory/battery card, or SD card for a LOGO! 0BA7.)
properly?
first before activating the power supply to the LOGO! Base Module (or activate both
power supplies at the same time); if you do not do this, the system does not detect the
expansion module when you start up the LOGO! Base Module.
LOGO! installation and wiring
2.4 Putting into operation
63