Conditional rated short-circuit current 1000 A, 6A gL/gG according to EN
60947-5-1
B
10d
(if no PN terminal box used) 100 000
When the PN Plus connection box is used:
PFH
d
1.01 * 10
-7
Service life 20 years
Forced dormant error detection interval (mechanical actua‐
tion to the test the emergency stop)
1 year
Category 3
Performance Level PL d
Note
The quantitative assessment of the emergency stop safety function must be based on the
B
10d
value corresponding to the used standards (e.g. ISO 13849-1) under consideration of the
respective application (frequency of the actuation, service life, diagnostics by the evaluation
unit, etc.). The B
10d
value only applies when the technical properties of the emergency stop
button are taken into account.
When using the PN Plus terminal box, the specified failure probability (PFH
d
) must be taken
into account. This value only applies when the technical properties of the PN Plus terminal box
and the quantitative conditions specified here (e.g. service life) are observed.
Enabling button
2-circuit , 3-stage
Supply voltage 24 V DC
Current rating, max.: 250 mA
Current rating, min.: 0 A
Operating cycles Switch position 2 10
5
Switch position 3 5 * 10
4
Actuation forces From switch position 1 to 2, typically 3 N
From switch position 2 to 3, typically 17 N
Functional safety
EN ISO 13849-1:2008 Category 4
Performance Level (PL) PL e
Proof test interval (operating duration) 20 years
EN 61508 Safety Integrity Level (SIL) SIL 3
PFH
d
5.07 * 10
-9
Forced dormant error detection interval (mechanical actuation to the
test the enable and panic position)
1 year
Technical specifications
8.1 Handheld Terminal HT 8
Handheld Terminal HT 8
140 Manual, 07/2015, A5E36371621B-AB
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