Hohner Automaticos VI96, Руководство по эксплуатации

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User Reference Manual - VI96 Display
1.19.11 Alarms
The ‘ Alarms ’ (‘ ALr ’) menu configures the independent activation
of up to 3 relay outputs (or transistor or SSR modules), installed
with the R1 optional modules (or T1 or SSR) (see section 2.1) . For
outputs up to 4 and 6 relays, see special modules R2, R4 and R6
at section 2.6 . The alarm states are indicated in the front display
with leds marked as ‘1’, ‘2’ and ‘3’.
To configure an alarm, enter into the alarm menu (‘
ALr1
’, ‘
ALr2
’
or ‘ ALr3 ’) and configure the following parameters :
• select ‘ Active ’ (‘ Act ’) to ‘ on ’
• at ‘ Alarm type ’ (‘ TypE ’) select the alarm to act as a maxi-
mum type alarm (‘ MAX ’) or a minimum type alarm (‘ MIn ’). The
maximum type alarm (or minimum type alarm) activates when
the display value is higher (or lower) than the setpoint value.
• at ‘ Setpoint ’ (‘ SEt ’) enter the value for the alarm activation
point . This parameter is eligible for configuration through the
‘ Fast access ’ menu (see section 1.19.12).
• configure the hysteresis value at ‘
Hysteresis
’ (‘
hySt
’). The
hysteresis applies to the deactivation process of the alarm. The
alarm deactivates when the reading has passed the setpoint va-
lue plus the hysteresis value. Hysteresis helps to avoid repetiti-
ve switching of the alarm relays, due to fluctuating input signals
around the setpoint.
• at ‘
Activation delay ’ (‘ dEL.0 ’) configure the delay to apply
before alarm activation. The activation delay starts counting
when the setpoint value is passed. Value from 0.0 to 99.9 se -
conds.
• at ‘
Deactivation delay ’ (‘ dEL.1 ’) configure the delay to apply
before alarm deactivation. The deactivation delay starts coun-
ting when the setpoint value plus the hysteresis value, is pas-
sed. Value from 0.0 to 99.9 seconds.
• to work with ‘windowed alarms’ (see graphical example be-
low) activate ‘ Setpoint 2 ’ (‘ SEt2 ’) to ‘ on ’ and then configure the
desired second setpoint value. Second setpoint must always be
higher in value than the first setpoint.
• the ‘ Relay inverted ’ (‘ r.Inv ’) parameter inverts the normal re-
lay connections. When set to ‘ on ’ the relay will be active when
alarm is inactive. For security applications where an inactive
relay controls the shutdown of the system.
• the ‘ Locked alarm ’ (‘ A.Lck ’) parameter disables the automa-
tic deactivation of the alarm. Alarm deactivation must be per-
formed manually, by pressing the ‘LE’ front button (see section
1.19.14)
• the ‘ On alarm ’ (‘ on.AL ’) parameter assigns a predefined
behaviour when alarm is activated. Select ‘
cont
’ to continue
counting. Select ‘ to_0 ’ to load ‘0’ on displays. Select ‘ to_p ’ to
load preset value on display. Parameter ‘ dEL.1 ’ is set to 1 se -
cond when ‘ to_0 ’ or ‘ to_p ’ are selected.
On alarm
Continue
To zero
To preset
Alarm 1
Setpoint
Hysteresis
Setpoint 2
Active
Alarm type
Alarms
Activation delay
Deactivation
delay
Relay inverted
Locked alarm
Reading
Time
setpoint
hysteresis
Alarm as maximum,
no hysteresis, no delays
on
off
Time
activation
delay
on
off
deactivation
delay
Time
Alarm as maximum, with
hysteresis and delays
on
off
Time
Alarm as minimum,
no hysteresis, no delays
Reading
Time
Setpoint 2
Setpoint 1
Alarm as minimum,
with double setpoint,
no hysteresis, no delays
on
off
Time