LCS-4A-B/E [MSYSTEM]

Plug-in Signal Conditioners M-UNIT;


型号：	LCS-4A-B/E
厂家：	M-SYSTEM
描述：	Plug-in Signal Conditioners M-UNIT
文件：	总3页 (文件大小：118K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: LCS

6: 10 mV/V

7: 20 mV/V

Plug-in Signal Conditioners M-UNIT

0: Specify (strain gauge and excitation)

STRAIN GAUGE TRANSMITTER

(isolated)

[2] OUTPUT

Functions & Features

Current

• Providing a DC output signal proportional to a bridge type

strain gauge utilized in load cells, pressure transducers

• Supplying required excitation voltage

• Drives bridges 80 Ω or above

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

• Excitation adjustable from 2 V to 10 V

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

span

• Fast response type available

• LCD meter (engineering unit display selectable)

• Simple loop test output (0 % and 100 %)

• High-density mounting

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)

Typical Applications

• Weighing system for tanks, hoppers, silos

• Weighing system using cranes

• Float level meter utilizing strain gauges

(1.97)

(3.15)

[3] POWER INPUT

AC Power

B: 100 V AC

C: 110 V AC

136

(5.35)

D: 115 V AC

mm (inch)

F: 120 V AC

G: 200 V AC

H: 220 V AC

MODEL: LCS–[1][2]–[3][4]

J: 240 V AC

DC Power

ORDERING INFORMATION

• Code number: LCS-[1][2]-[3][4]

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

(e.g. LCS-2A-B/E2/Q)

R: 24V DC (Not selectable with option /E or /E2)

[4] OPTIONS (multiple selections)

Input Signal Indicator

• Special output range (For codes Z & 0)

• Specify the specification for option code /Q

(e.g. /C01/S01)

blank: Without

/E: With (0.0 - 100.0 % display)

/E2: With (in engineering unit with backlight and the

simple loop test output)

[1] INPUT STRAIN GAUGE

1: 1 mV/V

Response Time (0 – 90 %)

blank: Standard (≤ 0.5 sec.)

12: 1.25 mV/V

15: 1.5 mV/V

2: 2 mV/V

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

(Not selectable with Option /E2)

Other Options

3: 3 mV/V

blank: none

4: 4 mV/V

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

5: 5 mV/V

LCS SPECIFICATIONS

ES-1360 Rev.3 Page 1/3

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

MODEL: LCS

Minimum span: 5 mV

SPECIFICATIONS OF OPTION: Q (multiple selections)

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

/C01: Silicone coating

Offset: Max. 1.5 times span

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

negative voltage output; at ≥ 0.5 V

/C02: Polyurethane coating

/C03: Rubber coating

TERMINAL SCREW MATERIAL

/S01: Stainless steel

INSTALLATION

Power input

•AC: Operational voltage range: rating ±10 %, 50/60 ±2 Hz,

approx. 3 VA

GENERAL SPECIFICATIONS

Construction: Plug-in

(approx. 4 VA with Option /E2)

•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

Connection: M3.5 screw terminals

Screw terminal: Chromated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Isolation: Input to output to power

Weight: 430 g (0.95 lb)

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

Excitation adjustment: 2 – 10 V (front)

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

(Excitation voltage: factory default)

Span adjustment: 100 – 20 % (front)

(Excitation voltage: factory default)

Simple loop test output: 0 % and 100 % signal simulated by

selecting the front switch positions. (Only for option code

/E2)

PERFORMANCE in percentage of span

Accuracy: ±0.1 % (input ≥ 3 mV)

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

(input ≥ 3 mV)

Simple loop test output setting accuracy: ±0.5 %

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

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

■ DISPLAY (Input indicator)

• Option code: /E

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

(No scaling)

(input or output to power)

• Option code: /E2

1000 V AC @1 minute (input to output)

2000 V AC @1 minute

LCD digital display: Engineering unit

Display scaling: -10000 – +10000

(input or output or power to ground)

Decimal position: 10-1 - 10-4 or no decimal point

Engineering unit: %, μV, mV, V, mA, A, °C, °F, Ω, DEG K,

mHz, Hz, kHz, VAC, AAC, mg, g, kg, t, rpm or rps selectable

Back light: Green at normal, red at loop test output enable

Factory setting: scaling 0.00 - 100.00, unit: %

INPUT SPECIFICATIONS

■ Input: Bridge voltage from load cells

• Strain Gauge

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

Input to the transmitter must be over 3 mV.

• Excitation: 2 – 10 V adjustable (5 V standard)

Maximum current: 35 mA at 10 V, 65 mA at ≤ 7.5 V

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

LCS SPECIFICATIONS

ES-1360 Rev.3 Page 2/3

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

MODEL: LCS

EXTERNAL VIEW

■ Option /E

■ Option /E2

LCD Meter

NEXT Key

Excitation Adj.

Zero Adj.

ENTER Key

Excitation Adj.

Zero Adj.

Loop Test Selector

Span Adj.

Top

: 0% fixed

Middle : 100% fixed

Bottom : Cancel

(normal operating mode)

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

Isolation

STRAIN

GAUGE

Low Drift

Amplifier

Output

Driver

–

OUTPUT

POWER

LOOP TEST

SELECTOR

Low Drift

DC Volt.

Stabilizer

EXC.

U(+)

V(–)

Base Socket

Option /E, E2

** Option /E2

Specifications are subject to change without notice.

LCS SPECIFICATIONS

ES-1360 Rev.3 Page 3/3

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

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