English
Suffix code
| Model | Code | Content | |||||
| LM |  – |
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– |
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– |
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LCD Multi Panelmeter |
| Appearance | 3 | 96(W) X 48(H) mm | |||||
| 6 | 72(W) X 36(H) mm | ||||||
| Displayable Digit | 4 | 4 Digit indication | |||||
| Input Specification | DV | DC voltage | |||||
| DA | DC current | ||||||
| AV | AC voltage | ||||||
| AA | Alternating current | ||||||
| Output specifications | N | Non only (Indication option output) | |||||
| R | 1-stage contact output *LM6 only (For LM6-RC/RT, 1-stage contact output fixed.) |
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| 3R | 3-stage contact output | ||||||
| 3N | 3-stage NPN open collector output | ||||||
| 3P | 3-stage PNP open collector output | ||||||
| Optional output | – | Non option output | |||||
| C | RS-485 output (MODBUS-RTU) | ||||||
| T | Transmission output (4 – 20 mA d.c.) | ||||||
| Power supply voltage | A | 100 – 240 V a.c. 50/60 Hz | |||||
· Specification
| Model | LM3/6-DV | LM3/6-DA | LM3/6-AV | LM3/6-AA |
| Size | • LM3 : 96(W) X 48(H) X 68(D) mm • LM6 : 72(W) X 36(H) X 81(D) mm | |||
| Power | 100 – 240 V a.c. 50/60 Hz | |||
| Power Consumption |
• LM3-N: 6 VA or less • LM3-3R/3RC: 10 VA or less • LM3-3RT: 11 VA or less • LM3-3NC/3PC: 9 VA or less • LM3-3NT/3PT: 10 VA or less • LM6-N: 5 VA or less • LM6-3R: 7 VA or less • LM6-3N/3P: 5 VA or less • LM6-RC: 6 VA or less • LM6-RT: 7 VA or less |
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| Input signal | DC voltage | DC current | AC voltage / frequency | AC current / frequency |
| Input range | 500 V / 100 V 50 V / 10 V 5 V / 1 V 200 mV / 50 mV |
5 A / 2 A 500 mA / 200 mA 50 mA / 4 – 20 mA 5 mA / 2 mA |
500 V / 250 V 110 V / 50 V 20 V / 10 V 2 V / 1 V |
5 A / 2 A 500 mA / 200 mA 50 mA / 20 mA |
| AC measurement method |
AVG / RMS selective measurement | |||
| Input sampling cycle |
50 ms | |||
| Input sampling method | OVER sampling method using continuous approximation A / D converter | |||
| Maximum allowable input |
F.S. of each input range 110 % | |||
| Frequency measurement range |
0.2 ~ 9999 Hz (Frequency measurement range depends on the decimal point position) |
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| Display | • Negative-LCD • 4 digit 2 rows • PV (White) • SV (Green) | |||
| Character size | • LM3 : 17.6 X 10.6 mm • LM6 : 7.0 X 11.5 mm | |||
| Maximum display | -9999 ~ 9999 | |||
| Display degree | • [23 ℃ ± 5 ℃] – F.S. ± 0.1 % rdg ± 2 digit • [23 ℃ ± 5 ℃, 5 A] – F.S. ± 0.3 % rdg ± 3 digit • [50 ℃ ~ -10 ℃] – F.S. ± 0.5 % rdg ±3 digit |
• [23 ℃ ± 5 ℃] – F.S. ± 0.3 % rdg ±3 digit • [23 ℃ ± 5 ℃, frequency] – F.S. ± 0.1 % rdg ± 2 digit • [50 ℃ ~ -10 ℃] – F.S. ± 0.5 % rdg ± 3 digit |
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| Control output | • Contact output : 3 stage, SPST (1a), 250 V a.c. 5 A • Solid state output: 3-stage, NPN or PNP open collector, 12 – 24 V d.c. 50 mA or less |
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| Relay life time | • Electrical (about 100,000 times, 250 V a.c. 5 A) • Mechanical (about 5 million times) |
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| Optional output | • Transmission output (4-20 mA) • RS-485 output | |||
| External input | • HOLD/ZERO Optional input • Non-voltage input • Short circuit impedance: 300 Ω or less • Residual voltage: 1 V or less • Impedance when open: 100 kΩ or more |
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| Communication | • Communication protocol : Modbus-RTU • Communication method : RS-485 (2-wire half duplex) • Communication speed : 2400 / 4800 / 9600 / 19200 / 38400 bps |
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| Insulation Resistance |
100 ㏁ or more (500 V d.c. Mega standard, between conductive terminal and case | |||
| Withstand voltage | 2000 V a.c. 60 Hz 1 minute (between conductive terminal and case) | |||
| Noise | ± 2 kV(Between operation power terminals, Pulse width = 1 us, Square wave noise by noise simulator) |
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| Vibration resistance |
10 – 55 ㎐, Single amplitude 0.5 ㎜, 3-axis angular, 2 hours | |||
| Approval |  |
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| Protection structure |
• IP66 (front) • Terminal block protection cover applied | |||
| Ambient temperature and humidity |
-10 ~ 50 ℃, 35 ~ 85% RH | |||
| Storage temperature |
-20 ~ 65 ℃ | |||
