N20ZPLUS LUMEL | Alldatasheet
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Technical content
www.lumel.com.pl EXAMPLE OF APPLICATION N20ZPLUS - DIGITAL PANEL METER WITH RS-485 Alarms current a.c. motor RS-485/USB converter PD10 type GALVANIC ISOLATIONFEATURES HzAC RS 485 INPUTS OUTPUTS MOD BUS IP65 2x RS 485Zasilanie RS 485 INPUTS Input type Measuring range Parametrs Basic error Voltage input Input resistance >2 MΩ ± (0.5% of range+ 1 digit) Input resistance: 50 mΩ ± 10% Input resistance: 10 mΩ ± 10% ± (0.5% of range+ 1 digit) Frequency TECHNICAL DATA
- Measurement of voltage, a.c. current or frequency,
- Three-colour LED display (5 digits, 14 mm high).
- Digital output RS-485 - Modbus RTU protocol.
- Two alarm outputs of OC type.
- Programmable parameters through RS-485 interface using the free eCon software: – recounting of indications (individual characteristic), – two alarms of OC type operating in 6 working modes, – display colour programmable in three intervals, – precision of displayed results (decimal point), – thresholds of displayed overflows, – highlight of the unit, – measurement averaging time. Digital meter N20ZPLUS Measurement and signalling of one-phase motor load current overflows. configuration through eCon program Supply CAT III VV V Electrical Safety
Three-colour display (changes of colour depend on the displayed value): red, green, orange. Fig. 2 Electrical connections of the N20Z meter with the measurement of current. TABLE 1. ORDERING CODE:
100 V 1
250 V 2
400 V 3
1 A 4
5 A 5
TABLE 2. CODES OF HIGHLIGHTED UNIT:
01 V 18 mm 35 rad
02 A 19 cm 36 Ω
05 MV 22 l 39 °
08 MA 25 ms 42 rpm
11 K 28 N 45 km/h
12 Hz 29 kN 46 imp
Fig. 1 Electrical connections of the N20ZPLUS meter with the measurement of voltage and frequency.