VOFA−...
Festo VOFA−... 1004NH English
73
13
Technical data
Safety engineering
Conforms to standard
DIN EN ISO 13849−1
Characteristics
Category
Max. achievable performance level
1)
Reliability coefficient B
10
Diagnostic coverage (DC)
PFH (Probability of dangerous failure per
hour)
1)
Category4
P
L
e
10million switching cycles
>99
%
if the logic circuit of control signal and sig
nal change of the proximity sensor (expectation)
is checked with each actuation of both solenoid
valves.
2.47E−8
1)
These values are reached with a maximum actuation rate of 1 million/year and a DC value >99
%
(B
10d
= 2 x B
10
according to EN ISO 13849−1, table C.1, note
1)
General
Individual connection
Vertical stacking
Permitted temperature range
L
ong−term storage
Operation
Medium
−20 ... +40
°
C
−5 ... +50
°
C
−5 ... +50
°
C
Protection class
(with cable from Festo accessories)
IP65, Nema4
Relative air humidity
max. 90
%
Corrosion protection
No corrosion stress, such as through acidic or saline
media
Mounting position
any, but valve longitudinal axis vertical (90
°
) to the main
direction of vibration
Tightening torques
Solenoid coil socket
Solenoid valve on control block
0,5 − 0,6Nm
2Nm (±10
%
)
Materials
Steel,
G
D−A
L
, PA, NBR, FPM, Mg chromed, materials
containing PWIS included
Summary of Contents for VOFA-B26-T52-M Series
Page 26: ...VOFA Festo VOFA 1004NH Deutsch 26 Bild 11 Funktionstest Schritte 1 bis 4...
Page 27: ...VOFA Festo VOFA 1004NH Deutsch 27 Bild 12 Funktionstest Schritte 5 bis 7...
Page 64: ...VOFA Festo VOFA 1004NH English 64 Fig 11 Function test steps 1 to 4...
Page 65: ...VOFA Festo VOFA 1004NH English 65 Fig 12 Function test steps 5 to 7...
