51
= Key1
= Key 2
= Key 3
= Max. value or consumption = Min. value or supply
Diagr. Limit supervision with one limit and one measured value.
Limit supervision with
one limit
and
one measured value
.
Minimum connection
time
t
Limit 1
Measured
value1
Exceeding
t
Threshold output
t
1Second
t
Minimum connection
time
t
Limit 1
Measured
value 1
Exceeding
t
Threshold output
t
2 seconds
t
Minimum connection
time
t
Limit 1
Measured
value1
Underscoring
t
Threshold output
t
2 seconds
t
Minimum connection
time
t
Limit 1
Measured
value 1
Underscoring
t
Threshold output
t
1 second
t
Min. connection time = 1second (example)
Min. connection time = 2seconds (example)
Case 1.1
Case 1.2
Case 1.3
Case 1.4
Exceeding
Underscroring