RS485 Output Signal low cost price ultrasonic liquid level meter
gauge ultrasonic tank water level sensor
1. Parameter
General specifications
| Sensing range | 100... 1000 mm |
| Unusable area | 0 ... 100 mm |
| Standard target plate | 100 mm x 100 mm |
| Transducer frequency | approx.220 kHz |
| Response delay | approx. 50 ms |
Indicators/operating means
| LED blue | power-on |
LED yellow | indication of the switching state flashing: program function object detected |
LED red | permanently red: Error Red,flashing:program function,object not
detected |
Electrical specifications
| Operating voltage UB | 15 ... 30 V DC , ripple 10 %SS |
| No-load supply current I0 | ≤ 45 mA |
Input
| Input type | 1 TEACH-IN input |
operating range A1: -UB ... +1 V, operating range A2: +6 V ...+UB |
| input impedance: > 4.7 kΩ ; TEACH-IN program pulse: ≥ 1 s |
Output
| Output type | 1 switch output E4, NPN NO/NC,programmable |
| Rated operating current Ie | 200 mA , short-circuit/overload protected |
| Default setting | Switching point A1:70mm Switching point A2: 800mm |
| Voltage drop | ≤ 2.5 V |
| Repeat accuracy | ≤1 % |
| Switching frequency f | ≤ 13 Hz |
| Range hysteresis H | 2 % of the set operating distance |
| Temperature influence | ±1.5% of full-scale value |
Ambient conditions
| Ambient temperature | -25…70℃(248...343K) |
| Storage temperature | -40…85℃(233...358K) |
Mechanical specifications
| Connection | V1 connector(M12×1),4-pin |
| Protection degree | IP67 |
| Material Housing | brass, nickel-plated |
| Transducer | epoxy resin/hollow glass sphere mixture; foam polyurethane, cover PBT |
2. Dimensions
3. Electronic interface and signals definition
4. Description of Sensor Functions
Adjust the paramater
The ultrasonic sensor features a switch output with two teachable
switching points. These are set by applying the supply voltage - UB
or + UB to the TEACH-IN input. The supply voltage must be applied
to the TEACH-IN input for at least 1 s.LEDs indicate whether the
sensor has recognised the target during the TEACH-IN procedure.
Switching point A1 is taught with - UB,A2 with +UB. Eight different
output functions can be set. Switching point, Setting distance only after power on. The internal
clock can assure can't be changed after 5 mins when power on. If
want to change the switching point, the user can only setting the
request distance after power restart.
TEACH-IN window mode, normally-open function
- Set target to near switching point
- TEACH-IN switching point A1 with - UB
- Set target to far switching point
- TEACH-IN switching point A2 with + UB
TEACH-IN window mode, normally-closed function
- Set target to far switching point
- TEACH-IN switching point A2 with - UB
- Set target to near switching point
- TEACH-IN switching point A1 with + UB
TEACH-IN switching point, normally-open function
- Set target to near switching point
- TEACH-IN switching point A1 with - UB
- Cover sensor with hand or remove all objects
from sensing range
-TEACH-IN switching point A2 with + UB
TEACH-IN switching point, normally-closed function
- Cover sensor with hand or remove all
objects from sensing range
- TEACH-IN switching point A2 with - UB
- Set target to near switching point
- TEACH-IN switching point A1 with + UB
TEAC-IN large hysteresis interval, normally-open mode
- Set target to near switching point
- TEACH-IN switching point A1 with + UB
- Set target to far switching point
- TEACH-IN switching point A2 with - UB
TEAC-IN large hysteresis interval, normally-closed mode
- Set target to far switching point
- TEACH-IN switching point A2 with + UB
- Set target to near switching point
- TEACH-IN switching point A1 with - UB
TEACH-IN detection of objects presence normally open mode
- Cover sensor with hand or remove all objects from
sensing range
- TEACH-IN switching point A2 with - UB
- Cover sensor with hand or remove all objects from
sensing range
- TEACH-IN switching point A2 with + UB
TEACH-IN detection of objects presence normally closed mode
- Cover sensor with hand or remove all objects from sensing range
- TEACH-IN switching point A2 with +UB
- Cover sensor with hand or remove all objects from sensing range
- TEACH-IN switching point A2 with -UB
Default setting of switching point
A1=blind range,A2=nominal distance
| LED displays |
| Displays in dependence on operating mode | Red LED | Yellow LED |
TEACH-IN switching point Object detected No object detected Object uncertain(TEACH-IN invalid) |
off flashes On |
flashes off off |
| Normal operation | off | Switching state |
| Fault | on | Previous state |
5. Installation conditions
If the sensor is installed at the environment temperature fall
below 0℃,It should do well on the protective measures. In case of
direct mounting of the sensor in a through hole using the steel
nuts, it has to be fixed at the middle of the housing thread.
6.Shipment & payment
