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

11
rSt-n
2145.3
UN-ACK
A 140.5
H150.2
•1
2 OPERATOR MODE…
2.4 Operating Page – Maths Functions (Level 1)
Note. It is possible to have totalizer and maths functions together.
•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)
UN-ACK. – alarm unacknowledged
ACK. – acknowledged
Average Value
This is the mean average value of the process variable
input, since the average was reset.
rSt-Y – reset
rSt-n – do not reset
To reset the average value, select
rSt-Y then press
the
key.
Continued on next page.