LC2-12D-C/K [MSYSTEM]

Plug-in Signal Conditioners M-UNIT;


型号：	LC2-12D-C/K
厂家：	M-SYSTEM
描述：	Plug-in Signal Conditioners M-UNIT
文件：	总3页 (文件大小：110K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: LC2

Plug-in Signal Conditioners M-UNIT

[2] OUTPUT

Current

A: 4 – 20 mA DC (Load resistance 750 Ω max.)

B: 2 – 10 mA DC (Load resistance 1500 Ω max.)

C: 1 – 5 mA DC (Load resistance 3000 Ω max.)

D: 0 – 20 mA DC (Load resistance 750 Ω max.)

E: 0 – 16 mA DC (Load resistance 900 Ω max.)

F: 0 – 10 mA DC (Load resistance 1500 Ω max.)

G: 0 – 1 mA DC (Load resistance 15 kΩ max.)

Z: Specify current (See OUTPUT SPECIFICATIONS)

Voltage

STRAIN GAUGE TRANSMITTER

(remote sensing; non-isolated)

Functions & Features

• Provides a DC output signal compatible with a bridge type

strain gauge utilized in load cells, pressure transducers

• Six-wire remote sensing compensates for lead resistance

variations

• Excitation adjustable from 2 V to 5 V

• Wide-range adjustment: 0 – 80 % for zero, 100 – 20 % for

span

1: 0 – 10 mV DC (Load resistance 10 kΩ min.)

2: 0 – 100 mV DC (Load resistance 100 kΩ min.)

3: 0 – 1 V DC (Load resistance 100 Ω min.)

4: 0 – 10 V DC (Load resistance 1000 Ω min.)

5: 0 – 5 V DC (Load resistance 500 Ω min.)

6: 1 – 5 V DC (Load resistance 500 Ω min.)

4W: -10 – +10 V DC (Load resistance 2000 Ω min.)

5W: -5 – +5 V DC (Load resistance 1000 Ω min.)

0: Specify voltage (See OUTPUT SPECIFICATIONS)

• High-density mounting

Typical Applications

• Weighing system for tanks, hoppers, silos

• Weighing system using cranes

• Float level meter utilizing strain gauges

(1.97)

[3] POWER INPUT

AC Power

(3.15)

B: 100 V AC

C: 110 V AC

D: 115 V AC

F: 120 V AC

136

(5.35)

mm (inch)

G: 200 V AC

H: 220 V AC

J: 240 V AC

MODEL: LC2–[1][2]–[3][4]

DC Power

R: 24 V DC

ORDERING INFORMATION

• Code number: LC2-[1][2]-[3][4]

Specify a code from below for each of [1] through [4].

(e.g. LC2-2A-B/E/K/Q)

[4] OPTIONS (multiple selections)

Input Signal Indicator

blank: Without

• Special output range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

/E: With (0.0 - 100.0 % display)

Response Time (0 – 90 %)

blank: Standard (≤ 0.5 sec.)

/K: Fast Response (Approx. 25 msec.)

Other Options

[1] INPUT STRAIN GAUGE

1: 1 mV/V

blank: none

/Q: Option other than the above (specify the specification)

12: 1.25 mV/V

15: 1.5 mV/V

2: 2 mV/V

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

3: 3 mV/V

4: 4 mV/V

5: 5 mV/V

/C02: Polyurethane coating

6: 10 mV/V

/C03: Rubber coating

7: 20 mV/V

TERMINAL SCREW MATERIAL

/S01: Stainless steel

0: Specify (strain gauge and excitation)

LC2 SPECIFICATIONS

ES-1357 Rev.4 Page 1/3

http://www.m-system.co.jp/

MODEL: LC2

GENERAL SPECIFICATIONS

Construction: Plug-in

PERFORMANCE in percentage of span

Accuracy: ±0.1 % (input ≥ 3 mV)

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

Display accuracy: ± (0.1 % of FS + 1 digit)

(input ≥ 3 mV)

Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) (input ≥ 3

mV)

Housing material: Flame-resistant resin (black)

Isolation: Input or output to power

Overrange output: Approx. -10 to +120 % at 1 – 5 V

Excitation adjustment: 2 – 5 V (front) limited to ≤ 10 V when

the remote sensing terminals are open.

Zero adjustments (tare): 0 – 80 % (front)

(Excitation voltage: factory default)

Span adjustment: 100 – 20 % (front)

(Excitation voltage: factory default)

■ DISPLAY (Input indicator)

Line voltage effect: ±0.1 % over voltage range

Insulation resistance: ≥ 100 MΩ with 500 V DC

Dielectric strength: 2000 V AC @1 minute for AC power

1000 V AC @1 minute for DC power

(input or output to power)

2000 V AC @1 minute

(input or output or power to ground)

LCD digital display: 0.0 - 100.0 % (min. digit 0.1 %)

(No scaling)

INPUT SPECIFICATIONS

Input: Bridge voltage from load cells

Allowable leadwire resistance: ≤ Total Strain Gauge

Resistance × 0.25

• Strain Gauge

Rated output from strain gauge: 1 – 20 mV/V; Input to the

transmitter must be over 3 mV.

• Excitation: 2 – 5 V adjustable (5 V standard)

Maximum current: 65 mA

OUTPUT SPECIFICATIONS

■ DC Current: 0 – 20 mA DC

Minimum span: 1 mA

Offset: Max. 1.5 times span

Load resistance: Output drive 15 V max.

■ DC Voltage: -10 – +12 V DC

Minimum span: 5 mV

Offset: Max. 1.5 times span

Load resistance: Output drive 10 mA max.; 5 mA for

negative voltage output; at ≥ 0.5 V

INSTALLATION

Power input

•AC: Operational voltage range: rating ±10 %,

50/60 ± 2 Hz, approx. 5 VA

•DC: Operational voltage range: 24 V ±10 %,

approx. 150 mA, ripple 10 %p-p max.

Operating temperature: -5 to +60°C (23 to 140°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface or DIN rail

Weight: 430 g (0.95 lb)

LC2 SPECIFICATIONS

ES-1357 Rev.4 Page 2/3

http://www.m-system.co.jp/

MODEL: LC2

EXTERNAL VIEW

LCD Meter

Excitation Adj.

Zero Adj.

Span Adj.

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

CLAMP

(top & bottom)

7.8 (.31)

DIN RAIL

35mm wide

2–

4.5 (.18) dia.

MTG HOLE

25 (.98) deep

10 11

–M3.5

SCREW

50 (1.97)

107 (4.21)

136 (5.35)

40 (1.57)

50 (1.97)

[3.3 (.13)]

• When mounting, no extra space is needed between units.

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

STRAIN

GAUGE

Output

Driver

–

Low Drift

Amplifier

OUTPUT

Low Drift

DC Volt.

Stabilizer

EXC.

–

S +

S –

U(+)

V(–)

Remote

Sensing

POWER

Base Socket

Close across the terminal 3 – 4 and 5 – 9 when the remote sensing is not used.

* Option /E

Specifications are subject to change without notice.

LC2 SPECIFICATIONS

ES-1357 Rev.4 Page 3/3

http://www.m-system.co.jp/

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