Large-size digital displays of DL type are destined to display measured values o set values through the communication interface. Taking in consideration the application of 7-segment LED displays they are destined to be installed inside buildings.
The 100 mm digit height ensures a good readout from the distance of 40 m. They find application in office accommodations , production workshops, in production management rooms as information about production parameters, state of machines or devices. The displayed value is transmitted from external devices working in MODBUS standard. The display is working as the network „master”. The basic display version includes three digits and the unit, in two rows or three rows.
DL21 numerical display panels are destined to display numerical values read out from a connected device or assigned value through the programming interface in the selected colour by the user. Considering the luminosity of display segments and the housing design they are destined for indoor applications. These display panels find application to display numerical quantities in office rooms, production halls in management points as information about production parameters, machine state, device working state, etc. The displayed value on the display can originate from external devices operating in MODBUS standard, and at the same time it is possible to configure the display to work as “Master” or “Slave”. Moreover, the display enables to connect 10 slave devices to it, and this make possible to fulfill the task of a local point of data acquisition. All data read out from slave devices can be read out through the RS-485 interface. The value can be displayed in the chosen colour (green, red or orange) by the user or the display colour can be changed depending on the indicated value. Moreover, the minimal and maximal indicated value is defined by the user. DL21 display panels are equipped with two RS-485 communication interfaces operating in the MODBUS RTU standard. One of the interfaces is destined to connect slave devices, whereas the second interface is destined to configure the display or to introduce the displayed value ( the display fulfills the part slave in the MODBUS network). The basic display execution includes three digits and the place destined to locate the unit. It is possible to make a display composed of DL21 digits in the configuration defined by the user.
Digital displays of DN type can be applied for the visualisation of essential parameters in automation and measurement processes when supervising the quality or working safety. Information put in a visible place helps in the efficient work in industrial communication, logistics, automation and control technology, and material handling. These displays are destined to be installed in: industrial plants, sports objects, trade buildings and communication areas. The character height ensures a good visibility and reading from a long distance, up to 120 m.
Digit heights: DN1 – 100 mm; DN2 – 200 mm; DN3 – 300 mm. Digital displays are offered in four colours: red, green, yellow and blue.
Basic installations are applied for measurements and indications of: temperature, humidity, time, pressure, flow, rotations, pulses, and also the gas content and material quantity. These DN displays together with an external measuring element or transducer can display any physical quantity and co-operate with external sevices equipped with an RS485 digital output with the MODBUS RTU/ASCII protocol. The configuration of transmission parameters and measuring ranges is made agree with the customer. Each customer obtains a service manual together with the display unit. The standard version includes the digital diode display field and the unit field. The number of characters and the display colour are expressed by the ordering code or defined by the customer. The display field brightness is established automatically in accordance with external conditions. The unit can be selected from the list inserted
LED DNL digital display panels are designed for display of digital values indoor: offices, manufacturing plants or production supervision points, providing information such as production parameters, machine condition, device operational status etc.
DNL display panels can be configured with LPCon software application available for free on the website www.lumel.com.pl. DNL display panels are equipped with two RS485 communication interfaces using MODBUS RTU standard. First interface (programming interface) is used for the configuration of the display panel settings or for the input of displayed value (the display panel is a Slave device in MODBUS RTU network) e.g. from the SCADA application or PLC drivers Second interface (object interface) is used for plugging slave devices (the display panel is a Master device in MODBUS RTU network) the display panel gets displayed data from. Display panel configuration allows reading up to 100 registers from slave devices (up to 10 registers per each of 10 devices), so the display panel can act as the local data collection point. All data received from slave devices can be accessed as internal registers of the display panel for the SCADA application or PLC drivers via RS485 MODBUS RTU Slave interface. It is possible to define minimum and maximum displayed value for the display panels. Additionally, the display panel may be equipped with auxiliary measurement input for the measuring of standard analog signal 4..20 mA used in automatics and with output powering external measurement transducers. Basic configuration of the display panel includes one or two fields for readings (4 digits each) and space for the unit placement.
The N21 meter is a digital programmable panel mounted instrument designed to measure d.c. voltages or d.c. currents: unipolar or bipolar, temperature with use of thermocouples J (Fe-CuNi), K (NiCr-NiAl) and Pt100 resistance thermometers. The readout field is an OLED graphic display with a resolution of 32×128 points.
The eCon program is designed for the configuration of the N21 meter. The meter should be connected to a PC via a mini USB connector located on the rear of the meter.
Following parameters can be set:
• Measuring input
• Display precision of the result (decimal point)
• Relay output operating mode
• Thresholds triggering the relay output
• Time delays of the relay output triggering
• Individual characteristic for measuring signal
• Automatic or manual temperature compensation of cold junctions
• Averaging time of the measurement
• User-defined units of measured signal
• Bargraph configuration.
Meter output signals are isolated from the input signals and power supply.
Meters of the N24 and N25 series are digital instruments destined for the measurement of d.c. voltage or d.c. current: uni or bipolar, temperature through J, K thermocouples, Pt100 resistance thermometers and for the measurement of a.c. voltage and a.c. current. A LED display (4 digits for N24 and 5 digits for N25 meter series) constitutes the readout field. The LPCon program is destined for the configuration of N24 and N25 meter series. One must connect the meter with the PC computer through the PD14 programmer.
Following parameters can be reprogrammed:
– thresholds of displayed overflows,
– precision of the displayed result (decimal point),
– measurement averaging time ,
– counting of indications (individual characteristic),
– automatic or manual compensation: cold junction temperature for measurements with thermocouples, or wire resistance for Pt100 measurements (only in N24T and N24S meters).
All meters are galvanically separated between the supply, measuring inputs and the programmer input
Protection grade from the frontal side: IP65.
Meter overall dimensions: 96 x 48 x 64 mm (with terminals).
Meters of the N24 and N25 series are digital instruments destined for the measurement of d.c. voltage or d.c. current: uni or bipolar, temperature through J, K thermocouples, Pt100 resistance thermometers and for the
measurement of a.c. voltage and a.c. current. A LED display (4 digits for N24 and 5 digits for N25 meter series) constitutes the readout field. The LPCon program is destined for the configuration of N24 and N25 meter series. One must connect the meter with the PC computer through the PD14 programmer.
Following parameters can be reprogrammed:
– thresholds of displayed overflows,
– precision of the displayed result (decimal point),
– measurement averaging time ,
– counting of indications (individual characteristic),
– automatic or manual compensation: cold junction temperature for measurements with thermocouples, or wire resistance for Pt100 measurements (only in N24T and N24S meters).
All meters are galvanically separated between the supply, measuring inputs and the programmer input
Protection grade from the frontal side: IP65.
Meter overall dimensions: 96 x 48 x 64 mm (with terminals).
The N30H meter is a programmable digital panel meter destined for the measurement of d.c. voltage or d.c. current. Additionally, the meter enables the indication of the current time. The readout field is a LED display, which allows the exposition of results in colours: red, green and orange. The measured input signal can be arbitrary converted by means of a 21-point individual characteristic.
Features of the N30H meter:
l display colour individually programmed in three intervals,
l programmable thresholds of displayed overflows,
l 2 NOC relay alarms operating in 6 modes,
l 2 switched relay alarms with a switching contact operating in 6 modes (option),
l signaling of the measuring range overflow,
l automatic setting of the decimal point,
l programming of alarm and analog outputs with the reaction on the chosen input quantity (main or auxiliary input),
l real-time clock with the function of the clock supply support in case of the meter supply decay,
l programmed averaging time – function of walking window with the averaging time up to 1 hour,
l monitoring of set parameter values,
l interlocking of introduced parameters by means of a password,
l recount of the measured quantity on the base of a 21-point individual characteristic,
l service of the interface with MODBUS protocol in the RTU mode (option),
l conversion of the measured value into a standard – programmable current or voltage signal (option),
l highlight of any measuring unit acc. to the order.
l signaling of alarm operation – switching the alarm on causes the highlight of the output number,
l galvanic separation between connectors: alarm, supply, input, analog output connections and RS-485 interface.
Protection degree from frontal side: IP65
Meter overall dimensions: 96 x 48 x 93 mm (with terminals).
The meter casing is made of plastics.
The programmable digital panel meter N30O is destined for measurements:
number of pulses, frequency, period, work-time, encoder position. Additionally, the meter enables the indication of the current time. The readout field is a LED display, which allows the exposition in colors: red, green and orange. The measured input signal can be arbitrary converted by means of mathematics functions and/or a 21-point individual characteristic.
Features of the N30O Meter:
l display colour individually programmed in three ranges,
l programmable thresholds of displayed overflows,
l 2 NOC relay alarms operating in 6 modes,
l 2 switched relay alarms with a switching contact operating in 6 modes (option),
l signaling of measuring range overflow,
l automatic setting of the decimal point,
l programming of alarms and analog outputs with the reaction on the selected input quantity (main or auxiliary input),
l additional counter input,
l control inputs of the main input work, additional or both simultaneously,
l signaling of additional input state,
l possible control of counter operation by means of the meter keyboard,
l automatic reset of counters at the set point value
l real-time clock with the function of the clock supply support in case of the meter supply decay,
l programmed averaging time – function of walking window with the averaging time up to 1 hour,
l monitoring of set parameter values,
l locking of introduced parameters by means of a password,
l mathematic functions for measured value calculation,
l recount of the measured quantity on the base of the 21-point individual characteristic,
l interface with MODBUS protocol in the RTU mode (option),
l firmware updating by RS485 interface (option)
l conversion of the measured value into a standard – programmable current or voltage signal (option),
l highlight of any measuring unit acc. to the order.
l signaling of alarm operation – switching the alarm on causes the highlight of the output number,
l galvanic separation of pulse inputs between them,
l galvanic separation between terminals: alarm, supply, input, analog output, auxiliary supply, RS-485 interface.
Protection grade from frontal side: IP65
Meter overall dimensions: 96 x 48 x 93 mm (with terminals).
The meter casing is made of plastic.
The N30U meter is a programmable digital panel meter destined for measurements of signals originating from standard sensors destined for temperature measurements and for the measurement of analog standard signals applied in automation. Additionally, the meter enables the indication of the current time. The readout field is a LED display, which allows the exposition of results in colors: red, green and orange. The measured input signal can be arbitrary converted by means of a 21-point individual characteristic.
Features of the N30U meter:
l display colour individually programmed in three intervals,
l programmable thresholds of displayed overflows,
l 2 NOC relay alarms operating in 6 modes,
l 2 switched relay alarms with a switching contact operating in 6 modes (option),
l signaling of measuring range overflow,
l automatic setting of the decimal point,
l programming of alarm and analog outputs with the reaction on the selected input quantity (main or auxiliary input),
l real-time clock with the function of the clock supply support in case of the meter supply decay,
l programmed averaging time – function of walking window with the averaging time up to 1 hour,
l monitoring of set parameter values,
l locking of introduced parameters by means of a password,
l recount of the measured quantity on the base of the 21-point individual characteristic,
l service of the interface with MODBUS protocol in the RTU mode (option),
l conversion of the measured value into a standard – programmable current or voltage signal (option),
l highlight of any measuring unit acc. to the order,
l signaling of alarm operation – switching the alarm on causes the highlight of the output number,
l galvanic separation between connections: alarm, supply, input, analog output, output of the auxiliary supply, RS-485 interface.
Protection grade from frontal side: IP65
Meter overall dimensions: 96 x 48 x 93 mm (with terminals).
The meter casing is made of plastic.
NA3 series meters with a multi-colored bargraph have an universal input destined to measure temperature, resistance, voltage from shunts, standard signals, d.c. voltage and d.c. current. NA3 meters can optionally have a continuous analogue output, relays, OC type (Open Collector) and digital RS-485 outputs. They can find application in various industrial fields, e.g. food industry, intermediate pumping stations, sewage treatment plants, chemical industry, weather stations, breweries.
NA3 meters are executed in three basic versions:
NA3-F with a 4-digit LED readout field (digit height: 7 mm) and a multicolour bargraph,
NA3-D with a 4-digit LED readout field (digit height: 14 mm),
NA3-B with a multicolour bargraph.
The type choice is made in the execution code.
They are programmed by means of the keyboard and through RS-485. Meters only with the bargraph can be programmed through RS-485.
NA3 meters realise following functions:
– measurement of the input quantity and displaying it on the display and/or the bargraph,
– evaluation of the input signal into indication on the base of the individual linear characteristic,
– programming of the colour and bargraph resolutions (no concerns NA3-D),
– signalling of alarm value setting exceeding,
– recording of the measured signal in programmed time segments,
– storage of maximal and minimal values,
– programming of the indication resolution,
– programming of the measurement averaging time,
– locking of the parameter introduction by means of a password,
– conversion of the measured quantity into a voltage or current output signal,
– service of the RS-485 interface in MODBUS protocol, both in ASCII and RTU mode.
NA5 series meters with multicoloured bargraphs have an universal input destined to measure temperature, resistance, voltage from shunts, standard signals, d.c. voltage and d.c. current. They can find application in various industrial fields, e.g. food industry, intermediate pumping stations, sewage treatment plants, chemical industry, weather stations, breweries. They are destined for the visualisation of the measured value and evaluation of change trends of checked technological processes. They can also find application in automation systems where programmed controllers are applied. NA5 meters can have in option: a continuous analogue output, a relay output, open collector (OC) type outputs and an RS-485 digital output. They are programmed by means of the keyboard and through RS-485.
NA5 meters realise following functions:
– measurement of the input quantity and displaying it on the display and the bargraphs,
– recounting of the input signal into indication on the base of the individual linear characteristic,
– arithmetical functions: raising to a power, extraction of roots,
– programming of colours and bargraph resolutions,
– signalling of alarm value setting exceedings,
– recording of the measured signal in programmed time segments,
– storage of maximal and minimal values,
– programming of the measurement averaging time,
– programming of the indication resolution,
– deadlock of the parameter introduction by means of a password,
– conversion of the measured quantity into a voltage or current output signal,
– service of the RS-485 interface in MODBUS protocol, both in ASCII and RTU mode.
NA6 series meters with multicoloured bargraphs have an universal input destined to measure temperature, resistance, voltage from shunts, standard signals, d.c. voltage and d.c. current. They can find application in various industrial fields, e.g. food industry, intermediate pumping stations, sewage treatment plants, chemical industry, weather stations, breweries. They are destined for the visualization of the measured value and evaluation of change trends of checked technological processes. They can also find application in automation systems where programmed controllers are applied.
NA6 meters can have in option: a continuous analogue output, a relay output, open collector (OC) type outputs and an RS-485 digital output. They are programmed by means of the keyboard and through RS-485.
NA6 meters realise following functions:
– measurement of the input quantity and displaying it on the display and the bargraphs,
– recounting of the input signal into indication on the base of the individual linear characteristic,
– arithmetical functions on channels: addition, subtraction, multiplication, division, raising to a power, extraction of roots,
– programming of colours and bargraph resolutions,
– signalling of alarm value setting exceedings,
– recording of the measured signal in programmed time segments,
– storage of maximal and minimal values,
– programming of the measurement averaging time,
– programming of the indication resolution,
– deadlock of the parameter introduction by means of a password,
– conversion of the measured quantity into a voltage or current output signal,
– service of the RS-485 interface in MODBUS protocol, both in ASCII and RTU mode.
The ND10 meter is a digital programmable panel meter destined for the measurement of the 3-phase, 4-wire power network parameters in balanced and unbalanced systems. It is also capable of displaying measured quantities and their simultaneous digital transmission. The meter is also capable of controlling and optimization of the power electronic devices, systems, and industrial installations. The meter can be used for measuring: RMS value of voltage and current; active, reactive and apparent power; active and reactive energy, power parameters; frequency, 15-, 30- and 60-minute mean active power and THD. Additionally, a current in the neutral wire is calculated from the phase current vectors . Voltage and current values are multiplied by given voltage and current ratios of measuring transformers. Power and energy indications take into account all programmed ratio values. Any and all measured values can be sent to the master via the RS-485 interface. The relay outputs signal alarm when selected parameters exceed set limits. Impulse output can be used for consumption check of the 3‑phase real energy. This meter is also able to detect and signal incorrect phase sequence. The meter is powered by the measuring circuit, i.e. from the voltage output.
There is a galvanic separation between following units of the meter:
– voltage and current inputs,
– RS-485 output,
– impulse output.
The N20D meter is a digital programmable panel meter destined for the measurement of single-phase power network parameters (2-wire network) and 3-phase, 3,4-wire network in balanced and unbalanced systems with the simultaneous display of measured quantities on a LCD display. The meter enables the control and optimization of power electronics devices, systems and industrial installation operations. The meter ensures the measurement of: rms values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency, 15, 30, 60 minutes’ mean active power, archive of power profile, THD and harmonic measurements. Additionally, the current value in the neutral wire is calculated. Voltages and currents are multiplied by given voltage and current ratios of measuring transformers. Indications of power and energy take into consideration values of programmed ratios. The value of each measured quantity can be transmitted to the master system through the RS-485 interface. The relay output signals the overflow of the chosen quantity, and the pulse output can be used for the consumption check of 3-phase active and reactive energy. The meter has additionally a continuous current output.
The meter has a galvanic separation between respective blocks:
– supply,
– measuring inputs,
– voltage and current inputs,
– analog output,
– RS-485 output,
– impulse output.
The ND20LITE meter is a digital programmable panel meter destined for the measurement of single-phase power network parameters (2-wire network) and 3-phase, 3,4-wire network in balanced and unbalanced systems with the simultaneous display of measured quantities on a LCD display. The meter enables the control and optimization of power electronics devices, systems and industrial installation operations. The meter ensures the measurement of: rms values of voltage and current, active, reactive and apparent power, active, reactive energy, power factors, frequency, 15, 30, 60 minutes’ mean active power, THD. Additionally, the current value in the neutral wire is calculated. Voltages and currents are multiplied by given voltage and current ratios of measuring transformers. Indications of power and energy take into consideration values of programmed ratios. The value of each measured quantity can be transmitted to the master system through the RS-485 interface. The relay output signals the overflow of the chosen quantity, and the pulse output can be used for the consumption check of 3-phase active and reactive energy.
The meter has a galvanic separation between respective blocks:
– supply,
– measuring inputs,
– voltage and current inputs,
– RS-485 output,
– impulse output.
