SFA ZPS 2.3 Instrucciones De Manejo Y De Montaje página 6

various sensors for level measurement can be used: floating switches, dynamic pressure, air bubble
level measurement systems, external 4- 20mA- sensors. The respective sensors to be employed can
be selected via the control program. Then two pumps are directly activated by motor contactors.
The pump changeover can be effected via time-control or level-control.
Furthermore, the following devices for error messages are available: acoustic signaler, 4 relay
alarm contacts potential-free (programmable for: high-water, combined fault, pump on, malfunction
pump, unit okay), safety circuits in the form of a turn-on- and a turn-off-delay, motor current
monitoring systems, motor temperature monitoring systems and flood control sensors guarantee a
safe operation of the pump station.
The control system is operated via 9 short travel key switches, the program settings are displayed
on an LCD display. All settings are saved so that they are available when the control system is
restarted. The display language can be changed.
Besides the actual operational parameters, the control system also saves the controlling process
and the occurring malfunctions in a record which can be displayed on the LCD display.
2.2 General characteristics
• Clear LCD display
• Hand- Stop- Auto- Function
• 1 acknowledgement button, 2 parameter
select buttons
• Menu which can be switched through
• Internal acoustic alarm
• Programmable operation and collective fault
signal potential-free
• Floating flood control potential-free
• Omnibus fault message potential-free
• Setting via short travel key switches
• Operating hours counter
• Maintenance interval counter
• Pump start counter
2.3 Technical data
Operating voltage
Voltage of control system
Power consumption
Pressure range
Turn-on-delay
Follow-up time
Runtime monitoring
Turn-on-delay 2 pumps
Motor current limitation
Fault protocol memory
Maintenance interval counter
Operating temperature range
Dimensions
Max. pre-fuse
Potential-free alarm contact
Degree of protection
Housing
• Recording of fault protocol
• Electronic monitoring of the motor current
• Programmable turn-on-delay
• Programmable pump follow-up
• Programmable pump changeover interval
• Switchable service- and ATEX- mode
• Internal pressure sensor
• Level indication in cm
• 4 digital inputs for thermostatic switch
• 4 digital inputs for floating switch or reed
sensor
• 1 analogue input for transmitter 4-20mA
• 1 analogue pressure input 0-100(500) mBar
230V or 400V/AC/50-60 Hz
230V/AC/50-60 Hz
env. 6VA
0-1mWs
0-180 sec
0-180 sec
0-300 sec
0-60 sec.
0.5- 14A
32 memory positions
0 – 365 days, adjustable
-20 - +60°C
180x180x90 mm
20A
3 A max.
IP 65
Polycarbonate
5