Festo — CPX-F8DE-P — 2022-10d
Safety
15
Term/abbreviation
Meaning
Module-based passivation
Type of passivation in which all channel pairs of the input module are
passivated, e.g.:
–
with safety-related communication errors (PROFIsafe)
–
in the case of self-test errors
–
channel errors if “channel-based passivation" is switched off.
Regular re-integration is required with "module-based passivation"
(standard PROFIsafe process for acknowledgment).
–
The input module sets the “Device_Fault” signal.
–
As soon as the cause of the error has been remedied, the input
module automatically cancels the “Device_Fault” signal. With errors
that cannot be remedied during runtime, “Device_Fault” remains set
until the next time the system is powered down.
–
To ensure that substitute values (0) continue to be transmitted once
the cause of the error has been remedied, the safety control unit
can transmit “Activate_FV” to the input module. The input module
responds with “FV_Activated” until the safety control unit displays
the “Activate_FV” signal to indicate that safe operation with process
values is possible again.
N/O
Abbreviation for normally open contact
è
sensor
N/C
Abbreviation for normally closed contact
è
sensor
OSSD
Output Signal Switching Device. Sensor with autonomous line moni-
toring.
Passivation
Safety function in which the input module CPS-F8DE-P is automatically
set to the safe status for all input channels (
è
module-based passi-
vation) or only for defective input channels (
è
channel-based passiva-
tion) depending on the specific error. Instead of the process values
è
substitute values (0) are transmitted.
Performance Level (PL ...)
Discrete characteristics level that specifies the capacity of safety-
related parts of a safety control unit to perform a safety function under
defined conditions. EN ISO 13849-1 defines 5 levels. PL a is the lowest
level and PLe the highest.
PROFIBUS
Standard for fieldbus communication between controllers (PLC/IPC) and
devices in automation technology (PROcess Field BUS)
PROFINET IO
Fieldbus standard based on Industrial Ethernet for communication
between controllers (PLC/IPC) and devices