2- Display And Keys; 3- Operating Modes - ITALFARAD SPC Instrucciones De Uso

2. Display and keys
V Voltage
I Current
THD% Total harmonic distortion
Temp. Temperature
Iharm Harmonic current
x 1000 Moltiplier by 1000 of the currently displayed measurement
Indicates exceeding of the first temperature threshold and energization
FAN
of the cooling device control relay
ON: the manual alarm reset mode is selected.
MANUAL
OFF: the automatic alarm reset mode is selected when the alarm
RESET
condition disappears (except for the overtemperature alarm)
Flashes together with the dimension under alarm to indicate that an
ALARM
alarm condition has been reached by one or more of the dimensions
In display mode, it resets all alarms present (press for 5 seconds); in
programming mode, it forces the default value of the current
RESET
parameter. When pressed during switching on of the instrument, it
forces the default programming
Increases the value of the parameter being programmed
+
Decreases the value of the parameter being programmed
-
In display mode, it selects the measurement to appear on the display;
SCROLL
in programming mode, it selects the parameter to be programmed
SCROLL together with
SCROLL together with
+
together with
RESET together with
RESET together with
3. Operating modes
3.1 Voltage protection
The input voltage, measured in true RMS, is compared with the preset threshold value.
If the threshold value is exceeded for a time longer than 30 minutes, visual signalling is
enabled (flashing of the voltage and alarm led's) and the alarm relays are operated.
IT ALFARAD S.p .A. vi a IV novembre n.1 Minerbio (BO) It aly
Measurement led's
Status led's
Special keys
When pressed for about 10 seconds, they enable the
+
parameter programming mode
When pressed in the display mode, they memorize the
-
current measurement taken as default value on the
display each time the instrument is switched on
When pressed in the display mode, they enable cyclic scanning
-
every 3 seconds of all the measurements on the display
+
For manual energizing of the cooling device control relay
-
For manual de-energizing of the cooling device control relay
Keys
15
GB