MDE142E0
18/60
06/04/04
6.2. Variables, alarms and warnings visualisation
The following drawing shows the use of the OPEN/YES, CLOSE/NO and selector to visualise the VARIABLE,
LIST OF AVAILABLE ALARMS
LIST OF AVAILABLE WARNINGS
CONFIGURATION
(configuration error) THERMOSTAT
(motor over temperature)
INT.TEMPERATURE
(internal temperature out of the limits)
INT.TEMPERATURE
(internal temperature near limits)
MAIN VOLTAGE
(supply voltage out of the limits)
MAIN VOLTAGE
(supply voltage near limits)
HARDWARE
(hardware error) PUMP STARTS
(pump starts
>
1,000,000)
POSITION SENSOR
(feed-back failure) MAINTENANCE REQ
(maintenance request)
JAMMED IN CL
(jammed valve in closing) N2 REF TIME
(accumulator Nitrogen pressure value too low)
JAMMED IN OP
(jammed valve in opening) COMP. LEAKAGE
(leakage on hydraulic components)
REQUEST SIGNAL
(set-point failure) STROKE LIMITS
(uncorrected stroke limits)
VEM1 SENSOR
(VEM1 Hall sensor failure)
VEM2 SENSOR
(VEM2 Hall sensor failure)
LOW PRESSURE
(hydraulic pressure supply failure)
PUMP FAILURE
(hydraulic pump failure)
NOTE: the alarm indication could be reset only after having removed the condition that causes the malfunctioning
(see relevant instructions on the table of the TROUBLE-SHOOTING paragraph.
YES
ALARM # 1
next?
................….
...............….
……………
……………
ALARM # n
next ?
RESET ALARM
OK?
YES
WARNING # 1
next?
.................…….
................……..
WARNING # n
next?
RESET WARNING
OK?
YES
NO
3-POSITION SELECTOR
Press
YES
or
NO
to answer at
the prompt
(OK?, view?, next?)
Variable and alarm list
NORMAL LOCAL
R 37,5 %
37.5 %
NORMAL OFF
R 37,5 % next
37.5 %
NORMAL REMOTE
R 37,5 % next
37.5 %
= pulsante OPEN / YES
= pulsante CLOSE / NO
POSITION ERROR
%
next?
VEM1/VEM2 POSITION.
% / %
next?
SUPPLY VOLTAGE.
V-Hz
next ?
INT. TEMPERATURE
xx °C
next ?
TIME
hour/min/sec
next ?
DATE
day/month/year
next ?
ALARMS
none
next ?
WARNINGS
none
next ?
YES
YES
NO
YES
NO
LOCAL
OFF
REMOTE
YES
YES
YES
NO
=
OPEN / YES push-button
= CLOSE / NO push-button
= STOP push-button
