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1.3Definition of symbols1300Definition of symbols1-Einfhrung Zeichen
Information that is particularly important is identified as follows:
DANGER!
This warning must be heeded! It warns of a hazardous situation
that poses an immediate threat of serious injury and death and
indicates preventive measures that can be taken.
WARNING!
This warning must be heeded! It warns of a hazardous situation
that could lead to serious injury and death and indicates preventive measures that can be taken.
CAUTION!
This refers to a hazard that can lead to a less serious or minor
injury plus material damage, and also provides information on
preventive measures that can be taken.
NOTICE
This describes a situation in which the unit(s) could be damaged
and also provides information on preventive measures that can
be taken. It also highlights areas within the text that are of particular importance.
INFORMATION
This gives advice on applications and provides information on
special features.
The operating mode selector switch PIT m3.1p can only be operated in
conjunction with an actuator. 5 actuators are available, each with different authorisations.
2.1Features of the operating mode selector switch2100Features of the operating mode selector switch2-Merkmale BAWS
Supply voltage 24 VDC
4 buttons for switching and displaying the operating mode
Button is back-lit when operated
4 operating modes
1 special service mode
5 monitored semiconductor outputs (24 V) for each operating mode
(OM1 ... OM5)
4 signal outputs (24 V) for status information, divided into information
classes (SI0 ... SI3):
– Selected operating mode
– Set authorisation
– Messages (e.g. user error and fault)
The operating mode selector switch enables you to switch between defined operating modes such as set-up, shutdown, automatic operation
and service. An actuator is used to assign access rights and authorisation to switch operating modes.
A safety system must be used to evaluate the operating modes. Switching must not initiate a hazardous movement, nor can it cancel an existing
control command.