3 Colours actuators
The meaning the colours used for the coding actuators shall given Table 7.4.6.g.
Meaning
Symbol
START ON
STOP OFF
push-buttons which act alternatively START and STOP
or and OFF
push-buttons that cause movement while they are pressed and stop the
movement when they are released
7.4.4.SAFETY SYMBOLS AND SAFETY IDENTIFICATION FOR USE ELECTRICAL EQUIPMENT
74
7.4.6 General meaning colour actuators
Colour Meaning Explanation Example application
RED Emergenc
y
Action case danger or
emergency
- Emergency stop
- Stop off with emergency stop
- Initiation emergency function (see
note 1)
YELLO
W
Abnormal Action abnormal
condition
- Intervention suppress abnormal
condition
- Manual intervention restart an
interrupted automatic cycle
GREEN Safe Action case safe
situation prepare
normal condition
( see note 1)
BLUE Mandator
y
Condition which requires
action
- Reset functions
WHITE
GREY
BLACK
No
specific
meaning
assigned
General indication of
functions
- May used for any function, except for
emergency stop, e.4.
Table 7.2 Marking actuators
In case where suitable graphical symbols are standardized IEC 417 mechanical actuators
shall marked with those symbols. OFF/ON,
STOP/START (see note 2)
.5 Graphical symbols for marking pushbuttons according the IEC 417. suitable symbol standardized, the indicator may be
marked complete words recognized abbreviations.
Table 7
