TESTO 6381 Instruction Manual page 142

7 Parameterizing, adjusting and analyzing software (P2A software)
Field
Collective alarm
Min control
Max control
Hysteresis
142
The graphic display in the centre of the screen refers to
the relay wiring as a NO contact (ON).
Explanation
A relay can be used as a collective
alarm detector in the event that
selected messages appear.
Selection of the messages (OR
linkage) by selecting the
checkbox.
If switched to ON (NO contact) or
OFF (NC contact) under the limit
value; in the event of a
subsequent exceeding of
value plus Hysteresis, it is
switched to OFF (NO contact) or
ON (NC contact).
If switched to ON (NO contact) or
OFF (NC contact) above the limit
value; in the event of a
subsequent undershooting of
Limit value minus Hysteresis, it
is switched to OFF (NO contact) or
ON (NC contact).
To avoid switching cycles.
Limit