WLCA2M1 Water Level Controller
Features :
! Specially Designed Sensors
! Trip Relay Indication
! Used for Drain and fill control
! 1 C/O Output
! Adjustable Sensitivity 1K to 200 K Ohms
! DIN Rail Mount
Certifications:
DIN : 35mm
Display Specifications Mechanical Specifications
Type Analog Mounting Din Rail
No of LEDs 2 Weight Sensors : 50gms each
NO of Knob 1
Unit : 105gms
LED Indication Power ON, Relay ON
Screw Tightening Torque 0.5 N-M
Input Specifications
Functions Dimensions
Function Level Monitoring of Conductive Liquid
One Level or Two level monitoring
One tank or Two Tank Level monitoring
Using Suction Logic & Delivery Logic
Reset Automatic
Input Sensor 3 no. Stainless steel prods
Electrical Connection 1Ø-2 wire
Trip Settings
According to the levels of sensor placed in
the water tank
Trip Time Settings 0.5 sec (approx.)
Output Specifications
Output Contact SPDT (1C/O)
Output Rating 10A @ 250VAC / 28VDC
Terminal connection
Auxiliary Supply Specifications
Supply Voltage 85-270V AC / DC
Frequency 50 - 60Hz
VA Rating 3VA max
Environmental Specifications
Temperature Operating Temperature : 00C to 500C
Storage Temperature : -200C to 700C
Humidity (non-condensing) Upto 95% RH
Pollution Degree
For PCB 2
For Product 3
Degree of Protection Device IP20
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WLCA2M1 Water Level Controller
Input Sensor Dimensions
One level controller
Timing Diagram
Two level controller for both tank
Note:
1. Relay contacts shown in healthy condition
2. The connection shown in fig 1 for suction logic.
3. Provide an external link across ON push button as shown by dotted line
Timing Diagram
NOTE:
Relay contacts shown in healthy condition.
Provide an external link across ON push button as shown by dotted line.
TESTING CHART
Sr. SENSOR PROD IN SENSOR PROD IN RELAY OUTPUT
No. SUCTION TANK (T1) DELIVERY TANK (T2) STATUS WLCA2M1
P1 P2 P3 P1 P2 P3
1 IN IN IN IN IN IN OFF
2 IN IN IN IN IN OUT OFF
Two level controller 3 IN IN IN IN OUT OUT ON
4 IN IN OUT IN IN IN OFF
5 IN IN OUT IN IN OUT OFF
6 IN IN OUT IN OUT OUT ON
7 IN OUT OUT IN IN IN OFF
8 IN OUT OUT IN IN OUT OFF
9 IN OUT OUT IN OUT OUT OFF
NOTE : IN : SENSOR PROD INSIDE THE WATER
OUT : SENSOR PROD OUTSIDE THE WATER
Note:
1. Relay contacts shown in healthy condition
2. The connection shown in fig 1 for suction logic.
3. Provide an external link across ON push button as shown by dotted line
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WLCA2M1 Water Level Controller
Compliance
Applicable EMI / EMC Standards
Product Standard IEC 60947-5-1
Category Reference Standards Testing Level
Radio Frequency Interference
IEC 61000-4-20 Class-A
Radiation Disturbance Test
Electrostatic Discharge
IEC 61000-4-2 Class-A
Immunity Test
Radio Frequency Interference
CISPR 11 Class-A
Conducted Disturbance Test
Immunity To Conducted
Disturbances, Introduced By Radio IEC 61000-4-6 Class-A
Frequency Fields Test
Electrical Test Transient / Burst
IEC 61000-4-4 Class-A
Immunity
Radiated, Radio-Frquency,
IEC 61000-4-8 Class-A
Electomagnetic Field Immunity test
Surge Immunity Test IEC 61000-4-3 Class-A
Voltage Dips, Short Interruption And
IEC 61000-4-5 Class-C
Vlotage Variations Immunity Test
AC Voltage Test IEC 61000-4-11 Clause 6.7
Temperature Rise Test IEC 61010-1 Clause 10.1-10.4
Resistance To Heat Test (RTH) IEC 61010-1 Clause 10.5
Single Fault Test (SFT) IEC 61010-1 Clause 4.4
Ordering Information
Product Code Supply Voltage Certification
WLCA2M1 85-270V AC/DC
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