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General information pertaining to
safe practices and accepted standards |
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| Push button
colours according to standard |
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EN60073 /
VDE
0199 DIN EN60073
VDE
0113-1 Table 2
Ref:
Moeller wiring manual |
Ref: Panel design Rittal |
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| Emergency - Emergency switching off;
Firefighting |
RED |
RED |
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| Abnormal condition- Intervention, to
suppress abnormal condition to avoid unwanted changes |
Yellow |
YELLOW for functions indicating a warning
or abnormal status. |
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| Enforced action - Resetting function |
Blue |
BLUE functions of urgent significance (compulsary) |
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| RESET |
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BLUE, WHITE, GREY or BLACK.
If these are also used as STOP/OFF buttons, the colours WHITE, GREY or
BLACK are preferred, preferably BLACK. GREEN must not be used.
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| Ready, safe to start |
Green |
GREEN = safe or normal operation. |
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| START/ON |
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WHITE(pref), GREY or BLACK,
GREEN= ok
RED must not be used.
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| Momentary switches eg jog |
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WHITE, GREY and BLACK
RED, YELLOW and GREEN must not be used. |
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| Push On/Push OFF |
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WHITE, GREY and BLACK
The colours RED, YELLOW or GREEN must not be used. |
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| Stop/OFF |
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BLACK(pref), GREY or WHITE, *RED = ok
GREEN must not be used.
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| No function assigned |
White, |
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| No function assigned |
Grey |
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| No function assigned |
Black |
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t
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| Indicator light
colours according to standard
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EN60073 / VDE
0199 DIN EN60073
VDE
0113-1 Table 2
Ref:
Moeller wiring manual |
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Warning of potential danger or a situation
which requires immediate
action e.g.
Failure of pressure in the
lubricating system
•
Temperature outside
specified (safe) limits
•
Essential equipment stopped
by action of a protective
device |
RED |
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Abnormal
condition Impending critical
condition- e.g.
•
Temperature
(or pressure) different from
normal level
•
Overload, which is
permissible for a limited time |
Yellow |
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| Enforced action - Operator
action essential - e,g,
•
Remove obstacle
• Switch over to
Advance |
Blue |
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| Normal - Ready to start or safe / normal
operating conditions prevailing e..g.
•
Machine ready to be started
• Mode
/ control x running normally |
Green |
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No function assigned |
White, |
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| No function assigned |
Grey |
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| No function assigned |
Black |
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Labelling standards:
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IEC |
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| START/ ON |
 417 IEC 5007 |
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| STOP/OFF |
 417 IEC 5008 |
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| Alternating ON/OFF |
 417 IEC 5010 |
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| Momentary control eg. jogging |
 IEC- IEC 5011 |
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Safety systems
according to standards
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B10d: Number of operations until 10 % of the tested
components fail dangerously.
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EN ISO 13849-1 |
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| B10:
Number of operations until 10 % of the tested components fail. |
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| MTTFd: Mean
Time To Dangerous Failure.
Average of the time expected
up to a dangerous failure |
EN ISO 13849-1 |
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| PL :
Performance Level |
EN ISO 13849-1 |
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| PFHd:
Probability of a Dangerous Failure per Hour
Probability of a dangerous failure per hour |
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IEC 62061 |
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| SIL CL:
Safety Integrity Level Claim Limit.
SIL claim limit (for a subsystem).
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IEC 62061 |
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