Beckhoff EK1960 Series, Operating Instructions Manual

Page: 25 / 145

Product description
EK1960 25 Version: 1.3.1
Relay output parameters (Cat. 2 – single-channel) Value
PFH
D
7.25 E-10
PFD
G
6.42 E-05
MTTF
D
high
DC
avg
high
Performance Level PL d
Category 2
SIL 2
B
10D
relay option values
Characteristic numbers EK1960-260x
B
10D
value (DC13 24 V
DC
and I
max
≤ 2 A) 1,500,000 [switching cycles]
B
10D
value (AD15 230 V
AC
and I
max
≤ 1 A) 750,000 [switching cycles]
B
10D
value (AD15 230 V
AC
and I
max
≤ 3 A) 300,000 [switching cycles]
Digital input safety parameters
The following table contains the safety parameters for the digital input of the EK1960. This must be added to
the logic and input value to determine the total PFH value.
Digital input parameters Value
PFH
D
6.4 E-11
PFD
G
6.1 E-06
MTTF
D
high
DC
avg
high
Performance Level PL e
Category 4
SIL 3
Safety mat input safety parameters
The following table contains the safety parameters for the analog input in the safety mat operation mode of
the EK1960. This must be added to the logic and input value to determine the total PFH value.
Safety mat input parameters Value
PFH
D
8.84 E-10
PFD
G
7.5 E-05
MTTF
D
high
DC
avg
medium
Performance Level PL d
Category 2
SIL 2
Logic safety parameters
The following table contains the safety parameters for the logic module of the EK1960. This must be added
to the input and output value to determine the total PFH value. The Safety-over-EtherCAT communication is
included in the logic part.