OLT Overload controller


4 Output, RS232, 0-5V

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OLT Overload control indicator provides integrity with other elements in the panel with its box suitable for rail mounting, while providing easy connection to industrial control devices.

It is a robust and quality control unit designed for use in cranes with 4 relay outputs.

It can communicate with computer and external display via RS 232 serial port, 110-220 volts operating voltage.

High precision 24 bit sigma delta ADC can connect 4 loadcells (350Ω), calibration without reference weight (mV / V).

Housing suitable for DIN rail mounting.


Sensitivity Class1/30000
EU Type Approval(III) n=3000 Division
Display5 Digit 7 Segment 16mm Red LED
State LEDsStable , SP1, SP2, SP3, SP4
Keypad5 Function Keys (Zero, Function, Enter, SP, Print (ESC)
ADCΔ-Σ Delta-Sigma 24 bits
A/D Convert Speed10 times/second
Load cell input-15mV ~ +15mV input range
In-Linearity & TC0.0015% of Maximum Capacity
Excitation voltage5V DC Max 150mA:
Load Cell CountMax 4 x 350Ω
Connection Type4 or 6 wires
CalibrationReference dead load or without reference dead load (mV/V Calibration)
Filter3 Steps Digital Filter
Outputs4 Output, NO/NC Röle
Serial PortsCOM1-RS232
Analog Output0-5V
HousingDIN Rail Mountage
Power SupplyAC100/240V
Operating Temperature-10C ~ 45C , 95%RH