Target-Cos(Phi) Changeover; Alarm Output; Check Alarm Output - janitza Prophi Operating Instructions Manual

Reactive Power Controller

Target-cos(phi) changeover

Via the input target-cos(phi) changeover it can be
changed over between target-cos(phi1) and target-
cos(phi2).
If there is no voltage at the input, the target-cos(phi1)
is active. If there is a 85 bis 265V AC connected to the
input, the target-cos(phi2) is active.
Prophi
15
16
Diagr.: Connection diagram target-cos(phi) changeover
In the standard display (please see example), apart from
the active channels and the actual cos(phi) also the ac-
tive target-cos(phi) is indicated.
cosϕ ϕ ϕ ϕ ϕ
ind
Target-cos(phi1) is active.
cosϕ ϕ ϕ ϕ ϕ
ind
Target-cos(phi2) is active.
= Key 1
85 - 250V AC
ϕ2
ϕ1
1 2 3
ϕ1 ϕ1 ϕ1 ϕ1 ϕ1
Actual cos(phi) mean
value
1 2 3
ϕ2 ϕ2 ϕ2
ϕ2 ϕ2
Actual cos(phi) mean
value
= Key 2 = Key 3

Alarm output

The alarm relay attracts in undisturbed operation, and
the contact of the alarm output is closed. If a distur-
bance occurs, the alarm relay releases and the contact is
opened. Various events can be assigned to the alarm
output via OR-logic interconnections. Each event is as-
signed to an alarm number, an alarm delay and alarm
duration.
max. 250V
13
14
Diagr.: Connection diagram alarm output

Check alarm output

If there is no alarm, the alarm relay attracts immedi-
ately. In order to trigger off an alarm, the threshold for
overtemperature can be set to zero, for instance, and
the alarm relay releases immediately.
Error
Prog
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