The intelligent single loop digital/light column display controller features a dedicated integrated instrument chip with more reliable anti-interference and stability.
Digital display controllerTECHNICAL INDEX
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particular sexually
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Display mode: arranged in a single row with four digitsLEDDisplay measurement values(PV)Simulate and display the percentage of measured values using a monochromatic light column.
Display range:-1999～9999Words.
Measurement accuracy: ±0.2%FSperhaps0.5%FS；±0.1%FS(Special customization required).
Resolution: ±1Words.
Alarm method:1-4Road alarm control (lower limit)LLLower limitL, upper limitHUpper limitHH）LEDinstructions.
Alarm accuracy: ±1Words.
Protection method: Input circuit disconnection, input signal overload/Under range alarm; Input circuit disconnection, transmission output hold, maximum, minimum optional
Setting method: Panel touch button numerical setting, set value permanently saved after power-off.
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Input signal
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Thermocouple:K、E、S、B、J、T、R、WRe3-25Automatic compensation range for cold end temperature0～50℃, compensation accuracy ±1℃.
Thermal resistance:Pt100、Cu100、Cu50、BA2、BA1Compensation range for lead resistance ≤15Ω.
Linear resistance:0～400Ω
Remote transmission resistor:30～350Ω(Remote pressure gauge)
DC voltage:0～20mV、0～100mV、0～5V、1～5V、0～5VOpening the formula1～5VOpening the formula-5V～5V；
-10V～10V、0～10V (Please specify when ordering, incompatible with other signals).
Direct current:0～10mA、0～20mA、4～20mA、0～10mAOpening the formula4～20mAOpen the door.
Input impedance: current signalRi≥500KΩ.
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output signal
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Output accuracy: Same as measurement accuracy.
Current signal:DC 4～20mALoad resistanceR≤500Ω；DC 0～10mALoad resistanceR≤750Ω.
Voltage signal:DC 0～5V；DC 1～5VLoad resistanceR≥250KΩ, otherwise the output accuracy after connecting external instruments cannot be guaranteed.
Alarm output: Relay control output---relayON/OFFBring back the difference,CONTACT CAPACITY---AC220V/1A；DC24V/3A(Resistive load)
Communication output: baud rate---2400、4800、9600bpsInternally customizable, usingMODBUS RTUCommunication protocol.
Distribution output:DC24±1VLoad current ≤30mA.
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Usage environment
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Environmental temperature:-10～55℃；
Environmental humidity: ≤85%RHAvoid strong corrosive gases.
Pressure resistance strength: input/output/power supply/Communication between each other ≥1000V.AC/minute.
Insulation impedance: input/output/power supply/Communication between each other ≥100MΩ.
AC power supply:90～265V(Switching power supply), frequency:50Hz/60Hz.
DC power supply:24V±2V(Switching power supply).
work Consumption:<5W.
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