2. Safety instructions EN
12.7.23 V2.1 7 / 24
1.7 Abbreviations
The following abbreviations are used in this document:
Tabelle 1
1.8 Variants and type code
The following combinations for various system features are possible:
• 4621273E
• 4621213E
The 6th position of the article number describes the type of operating volta-
ge. More information can be found in chapter 4.2.6 Terminal connections,
page 14.
2. Safety instructions
2.1 General labelling of hazards and information
The severity of the hazard and its consequences are classified in the manual
with the following signal words and colours.
GEFAHR!
.
Here is a brief description of the type and source of danger.
If the safety instruction “DANGER” appears, there is a high risk of danger.
The occurrence of the mentioned hazard results in irreversible personal
injury or death.
Listing of all measures which must be taken to prevent the consequen-
ces.
AWG American Wire Gauge
BTR Ready for operation, the LED that provides information about
the operational readiness of the SAE
Cu Copper
EDM External Device Monitoring
HFT Hardware Fault Tolerance in accordance with IEC 61508
PFH
D
Probability Failure per Hour
PL Performance Level in accordance with ISO 13849
SAE Safety evaluation unit
SA Safety output
SE Safety input
SIL CL Safety Integrity Level claimed in accordance with IEC 62061
UL248 United Laboratories
üNHN Above normal height zero (height above sea level)
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