Xylem Lowara SM30 Manual De Instalación, Funcionamiento Y Mantenimiento página 42

en
Phas Display
e
0 ALARM RELAY
1 DELAY ON RELAY
2 DELAY OFF
RELAY
3 LOGIC RELAY
4 DISABLE RELAY
5 RELAY ON O.L.
6 RELAY ON L.O.W.
7 RELAY ON
SENSOR
8 RELAY ON
C.LIMIT
9 RELAY ON
EXT.AL.
10 RELAY ON MAX P. MAX PRESSURE ALARM
11 RELAY ON MIN P.
6.2.8 PROGRAMMING THE ALARMS
Phas Display
e
0 ALARMS
1 MIN.PRES.THR
ESH.
42
Comment
Delay in seconds of alarm relay
activation
Delay in seconds of alarm relay
deactivation
Active: for event =ON
The contact is open in case of event
Passive: for event =OFF
The contact is closed in case of event
Automatic when the alarm ceases or
manually with button P3 (EXIT)
PUMP OVERLOAD ALARM
Activates alarm relay for tripping of an
overload/ptc of any active pump.
LOW WATER ALARM
Activates alarm relay for low
level/pressure on intake through
probes/float/min. pressure switch
SENSOR ALARM
Activates relay for fault in activated
sensors.
CONVEYOR LIMIT
Activates relay for Minimum Pressure
Switch alarm (connected to digital
input AUX3, to be set as
CONV.L.SWITCH)
EXTERNAL FAULT ALARM
Activates relay for external fault
arriving from digital input AUX2.
Activates relay for maximum pressure
alarm arriving from digital input AUX1
or from MAX.PRES.THRESH.
MINIMUM THRESHOLD ALARM
Activates relay for minimum pressure
threshold alarm.
Comment
MINIMUM PRESSURE ALARM
Function available only with systems with
a pressure sensor.
Set the minimum pressure value below
which the system interrupts pump
operation.
The system control is performed only if at
least one pump is active.
To disable, insert pressure = 0 bar
Field Default
0..60 s 0 s
0..60 s 0 s
ACTIVE PASSIVE
PASSIVE
AUTOMATIC AUTOMATIC
MANUAL
YES YES
NO
YES YES
NO
YES YES
NO
YES NO
NO
YES NO
NO
YES NO
NO
YES NO
NO
Field Default
0..FS bar 0 bar