Endress+Hauser NRF81 - Page 74

Commissioning Tankside Monitor NRF81
74 Endress+Hauser
9.2.12 Configuration of the alarms (limit evaluation)
A limit evaluation can be configured for up to 4 tank variables. The limit evaluation issues
an alarm if the value exceeds an upper limit or falls below a lower limit, respectively. The
limit values can be defined by the user.
A
B
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
10
A0029539
 34 Principle of the limit evaluation
A Alarm mode = On
B Alarm mode = Latching
1 HH alarm value
2 H alarm value
3 L alarm value
4 LL alarm value
5 HH alarm
6 H alarm
7 L alarm
8 LL alarm
9 "Clear alarm" = "Yes" or power off-on
10 Hysteresis
The limit evaluation is configured in the Alarm 1 to 4 submenus.
Navigation path: Setup → Advanced setup → Alarm → Alarm 1 to 4
For Alarm mode = Latching all alarms remain active until the user selects Clear
alarm = Yes or the power is switched off and on.