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Festo — CPX-F8DE-P — 2022-10d
Safety
Term/abbreviation
Meaning
Depassivation
In the “Passivation by channel” operating mode depassivation involves
setting the acknowledge bit in the output data
2.3.2 Overview of applications.
In the "Passivation by module" operating mode depassivation involves
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reintegration.
Wire break detection
Function that, under certain conditions, detects and reports a wire
break.
Input image
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Process image at the input of the safety control unit
Replacement value
Preset safe value that replaces the real process value or the pro-
grammed value in the event of a malfunction or when booting safety-
related systems.
The value 0 is transmitted in the input image with the CPX-F8DE-P
(digital inputs).
F-Device
Collective term for safety-related devices
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Safety control unit.
F-Host
Safety control unit for controlling safety-related devices.
F-System
Safety-related system that restores a safe state in the event of dan-
gerous system and device errors.
GSDML/GSD
Device description file
i-Parameters
Technology-specific individual parameters for a defined device.
Channel
è
Input channel
Category
Category (cat.) is a scale for the resilience of a safety-related system to
errors and its subsequent response to an error, which is achieved by the
structural arrangement of the parts, error detection and their reliability
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EN ISO 13849-1.
Channel-based passivation Type of passivation whereby only the channel pair of the affected
defective input channel is passivated. The input module remains inte-
grated. An acknowledgement signal via the process image is required
for depassivation
2.2.4 Channel-based passivation.
Short circuit
Connection of switching points with normally different electrical poten-
tials, e.g. of 0 V and 24 V of one voltage source.