02/20
7
OVERALL DIMENSIONS [mm]
SP1
SP2
INFO
MENU
Visualized digits can
be turned electronically
through 180°
Housing can be turned
through 300°
4 pin connector M12x1
G1/4” A
DIN 3852-E
5
INSTALLATION AND USE
3
FEATURES
6
ELECTRONIC CONNECTIONS
E-DAP-2 can be installed in any position.
Rotate the 4 digit display in order to provide the best
visual orientation.
Connect M12 electric connector according the wiring
diagram in section
.
Consult the operating manual, supplied with the elec-
tronic pressure switch, for the parameters setting.
6
• Two independent PNP transistor switching outputs. Imax up to 250 mA per output
• 4 digit display, adjustable on one axes without tools for best visual position or visualized digits can be turned
electronically of 180°
• Pressure reading selectable in: bar, Mpa, kPa, psi, kg/cm²
• Selection of different display modes: unit switching, offset adjustment, actual pressure value, minimum or maxi-
mum pressure value, function switch points, function reset points, display updates/second.
• Hydraulic connection G1/4”
• Electric connector M12x1 supplied with the pressure switch
1
2
4
3
Imax 250 mA
36
Ø 38
26
~ 72
14
Ø 35
~ 56
SP1
SP2
ZBE-
08
4.1 Hysteresis Function
SP
RP
HNO
HNC
FH
FL
FNO
FNC
SP
RP
NO
NC
DS
DR
4
OUTPUTS SWITCHING FUNCTION
The independent outputs can be settable using two different functions: Hysteresis and Windows.
Hysteresis function
- see 4.1
If the system pressure fluctuates around the set point, the hysteresis keeps the switching status of the outputs
stable. With increasing system pressure, the output switches when reaching the switch point (SP).
• HNO - contact normally open: active
• HNC - contact normally closed: inactive
With system pressure falling again, the output will not switch back before the reset point (RP) is reached.
• HNO - contact normally open: inactive
• HNC - contact normally closed: active
Window function
- see 4.2
The window function allows for the control of a defined range.
When the system pressure is between window High (FH) and window Low (FL), the output switches on.
• FNO - contact normally open: active
• FNC - contact normally closed: inactive
When the system pressure is outside window High (FH) and window Low (FL), the output does not switch
on.
• FNO - contact normally open: inactive
• FNC - contact normally closed: active
Delay times (0 ... 50 s)
- see 4.3
This makes it possible to filter out unwanted pressure peaks of a short duration or a high frequency (dam-
ping).
The pressure must be present for at least a certain pre-set time for the output to switch on. The output does not
immediately change its status when it reaches the switching event (SP), but rather only after the pre-set delay
time (DS).
If the switching event is no longer present after the delay time, the switch output does not change.
The output only switches back when the system pressure has fallen down to the reset point (RP) and stays at
or below the reset point (RP) for at least the pre-set delay time (DR).
If the switching event is no longer present after the delay time, the switch output does not change.
Delay times is available for Hysteresis and Window functions.
4.2 Window Function
4.3 Delay times (0 ... 50 s)
hydraulic
pressure
V+
SP1
SP2
V0
TRANSDUCER PINOUT
USER CONNECTION EXAMPLE
Power supply
(15 ÷ 35 V
DC
)
Power supply
(0 V
DC
)
Imax 250 mA
1
0
1
0
1
0
1
0
1
0
1
0
pressure
time
pressure
time
pressure
time
25÷45 Nm
27
