3.6.10.3.1.1 Secure Detection Of A Discrepancy Timeout; Table 24: Tgd : Offset Defined By Smoothing And Sampling - WAGO 753-668/000-004 Manual

44 Device Description

3.6.10.3.1.1 Secure Detection of a Discrepancy Timeout

The following formula can be used to calculate the minimum actual discrepancy
time between two input signals T
certainly report a discrepancy error.
Factor
T
D,min
Discrepancy Time
Discrepancy Factor 1.01233
T
GAD
Table 24: T
GD
T
GAD
Manual
Version 1.0.0, valid from HW/SW Version 01/01
�� = Discrepancy Time × ��. ���������� + ��
D,min
Value
Minimum actual discrepancy time between two input
signals
Configured discrepancy time
Offset defined by smoothing and sampling – see table
below for exact values
: Offset Defined by Smoothing and Sampling
100
1 25 ms
2 34 ms
4 53 ms
8
87 ms
16 156 ms
32
293 ms
64 567 ms
753-668/000-004 4FAI 0/4-20 mA Diff PROFIsafe
as a result of which the F AI module will
D,min
Sampling Frequency in Hz
60
38 ms
53 ms
80 ms
136 ms
246 ms
464 ms
904 ms
WAGO-I/O-SYSTEM 750
GAD
50
45 ms 200 ms
63 ms 286 ms
98 ms 457 ms
166 ms 800 ms
303 ms 1487 ms
578 ms 2859 ms
1127 ms 5604 ms
10