Operating Page - Maths Functions (Level 1) - ABB COMMANDER 150 User Manual

2.4 Operating Page – Maths Functions (Level 1)
Note. It is possible to have totalizer and maths functions together.
2145. 3
UN-ACK
A 140. 5
rSt-n
H150. 2
•1 This frame can be disabled – see Section 4.3.3.
The average value is reset automatically on power-up and can also be reset from
a digital input – see Section 4.3.4.
The reset function in this frame can be disabled – see Section 4.3.3.
Process Variable
To view the input value (in electrical units) press the
key.
Global Alarm Acknowledge (latch alarms only)
Average Value
•1
This is the mean average value of the process variable
input, since the average was reset.
To reset the average value, select
the key.
Continued on next page.
2 OPERATOR MODE...
UN-ACK. – alarm unacknowledged
– acknowledged
ACK.
rSt-Y – reset
– do not reset
rSt-n
then press
rSt-Y
11