WAGO -I/O-SYSTEM 750 Manual page 140

140 Glossary
D
Dangerous Failure
Termination of the capacity of a unit to complete the required function (see also
"Failure").
DC (Diagnostic Coverage)
The diagnostic coverage is the decrease in probability of dangerous hardware
failures that result from executing automatic diagnostics tests.
DC13 (Utilization Category)
Utilization category DC13 of EN 60947-5-1 describes the making and breaking
capacity for switching elements to apply an electromagnetic load.
Default Individual Parameter Set
A data set persistently stored in the F I/O module with default values that
correspond to the individual parameter set in the delivery condition of the
F I/O module
Diagnostic Coverage Level
See "DC (Diagnostic Coverage)"
Discrepancy Time
The discrepancy time specifies the maximum permissible duration of unequal
states of two signals.
See also "Discrepancy Time Monitoring"
Discrepancy Time Monitoring
Discrepancy time monitoring is performed by the F I/O module when using the
two-channel analysis by comparing the signal states of two digital inputs against
the valence rule. If the inputs signals deviate from the valence rule, discrepancy
time monitoring is activated (see also "Discrepancy Time").
E
Equivalence
Two same input signals, e.g., two open contacts on two inputs of the
F I/O module
F
F parameters
Parameters for configuring data communication between the safe PLC and the
F I/O module
Failure
Termination of the capacity of a unit to complete the required function (see also
"Dangerous failure").
Manual
Version 1.4.2, valid from HW/SW Version 01/02
750-667/000-003 4FDI/4FDO 24V/2A PROFIsafe V2 iPar
WAGO-I/O-SYSTEM 750