Siemens SIMATIC HMI Mobile Panel 277 RO - Safety Characteristics

Technical specifications
10.2 Specifications
Mobile Panel 277 RO
Operating Instructions, 10/2015, A5E36824256-AA
133
10.2.3
Safety characteristics
Note
The fail
-safe performance characteristics in the technical data apply to a proof-test interval
of
20 years.
STOP button
Rated voltage
24 V DC
Minimum current
10 mA, per contact
Max. current carrying capacity
500 mA, per contact
Utilization category
DC-13, in accordance with IEC 60947-5-1
B
10d
100 000
Enabling button
Output type
Solid-state output
Rated voltage, switchable
24 V DC, tolerance 19.2 to 30 V DC in accordance with EN 611312
Rated current, switchable, max.
400 mA
Breaking current, max.
Circuit 1
1.5 A
Circuit 2
0.8 A
Inductive load, max. Circuit 1 145 mJ/1.16 H at 24 V DC, 500 mA
(comparable to 13 DC in accordance
with EN 60947-5-1)
Circuit 2 145 mJ/1.16 H at 24 V DC, 500 mA
(comparable to 13 DC in accordance
with EN 60947-5-1)
Reverse polarity protection
Circuit 1
Yes
Circuit 2
Yes
Short-circuit and overload pro-
tection
Circuit 1
Yes, integrated in the output FET
Circuit 2
Yes, through protective circuit
Switching cycles
Switch position 2
10
5
Switch position 3
5 * 10
4
Actuation forces From switch position 1 to 2,
typical
5 N
From switch position 2 to 3,
typical
20 N
Specifications in accordance with EN ISO 13849-1
Stop with PLUS connection box
Category 3
1.01 * 10
–7
PFH
d
for both channels
1.01 * 10
–7
Enable
Category 3
PL d
PFH
d
1.35 * 10
–7
Panic
Category 3
PL d
PFH
d
1.14 * 10
–7