LCF-4D-H [MSYSTEM]
Plug-in Signal Conditioners M-UNIT;
| 型号： | LCF-4D-H |
| 厂家： | 
M-SYSTEM |
| 描述： | Plug-in Signal Conditioners M-UNIT |
| 文件： | 总4页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MODEL: LCF
6: 10 mV/V
7: 20 mV/V
Plug-in Signal Conditioners M-UNIT
0: Specify (strain gauge and excitation)
STRAIN GAUGE TRANSMITTER
(remote sensing, super-high speed, 10 V / 120 mA
excitation)
[2] OUTPUT
Current
Functions & Features
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
•Provides a DC output signal compatible with a bridge type
strain gauge utilized in load cells, pressure transducers
•Response time 300 μsec.
•Six-wire remote sensing compensates for lead resistance
variations
•Excitation adjustable from 2 V to 10 V, max. 120 mA
•Wide-range adjustment: 0 – 80 % for zero, 100 – 20 % for
span
•Isolation up to 2000 V AC
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 1000 Ω min.)
4: 0 – 10 V DC (Load resistance 10 kΩ min.)
5: 0 – 5 V DC (Load resistance 5000 Ω min.)
6: 1 – 5 V DC (Load resistance 5000 Ω min.)
4W: -10 – +10 V DC (Load resistance 10 kΩ min.)
5W: -5 – +5 V DC (Load resistance 5000 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
50
(1.97)
80
(3.15)
[3] POWER INPUT
AC Power
B: 100 V AC
C: 110 V AC
136
(5.35)
F: 120 V AC
mm (inch)
G: 200 V AC
H: 220 V AC
J: 240 V AC
MODEL: LCF–[1][2]–[3][4]
[4] OPTIONS (multiple selections)
Input Signal Indicator
ORDERING INFORMATION
• Code number: LCF-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. LCF-2A-B/E/Q)
blank: Without
/E: With (0.0 - 100.0 % display)
Other Options
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
blank: none
/Q: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
[1] INPUT STRAIN GAUGE
1: 1 mV/V
12: 1.25 mV/V
15: 1.5 mV/V
2: 2 mV/V
/C02: Polyurethane coating
/C03: Rubber coating
TERMINAL SCREW MATERIAL
/S01: Stainless steel
3: 3 mV/V
4: 4 mV/V
5: 5 mV/V
LCF SPECIFICATIONS
ES-1358 Rev.9 Page 1/4
https://www.m-system.co.jp/
MODEL: LCF
GENERAL SPECIFICATIONS
Construction: Plug-in
PERFORMANCE in percentage of span
Accuracy: ±0.1 %
Connection: M3.5 screw terminals
Screw terminal: Chromated steel (standard) or stainless
steel
Linearity: ±0.05 %
Display accuracy: ±(0.1 % of FS + 1 digit)
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 300 μsec. (0 – 90 %), 2 kHz (-3 dB)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @ 1 minute (input or output
to power to ground)
Housing material: Flame-resistant resin (black)
Isolation: Input to output to power
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Excitation: Adjustable from 2 to 10 V (front); limited to ≤ 15
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)
1000 V AC @ 1 minute (input to output)
STANDARDS & APPROVALS
EU conformity:
EMC Directive
LCD digital display: 0.0 - 100.0 % (min. digit 0.1 %)
(No scaling)
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
INPUT SPECIFICATIONS
Input: Bridge voltage from load cells
Allowable leadwire resistance:
Installation Category II
Pollution Degree 2
Total Resistance [Ω] (of all wires) < (Bridge Resistance [Ω] /
Excitation [V]) × 1.2 [V]
Input or output to power – Basic insulation (300 V)
RoHS Directive
•Strain Gauge
Rated output from strain gauge: 1 – 20 mV/V;
Input to the LCF must be over 3 mV.
•Excitation: 2 – 10 V adjustable (5 V standard)
Maximum current: 120 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 1 mA max. at ≥ 0.5 V
INSTALLATION
Power input
•AC: Operational voltage range: rating ±10 %,
50/60 ± 2 Hz, approx. 5 VA
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)
LCF SPECIFICATIONS
ES-1358 Rev.9 Page 2/4
https://www.m-system.co.jp/
MODEL: LCF
EXTERNAL VIEW
LCD Meter
Excitation Adj.
Coarse Zero Adj.
Fine Zero Adj.
Coarse Span Adj.
Fine Zero Adj.
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
CLAMP
(top & bottom)
7.8 (.31)
DIN RAIL
35mm wide
8
7
6
5
4
2–
4.5 (.18) dia.
MTG HOLE
25 (.98) deep
9
3
2
10 11
1
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
Z
S
Output
Driver
+
–
+
–
10
11
3
1
2
Low Drift
Amplifier
OUTPUT
EXC.
+
Low Drift
DC Volt.
Stabilizer
–
9
S +
S –
U
V
4
7
8
Remote
Sensing
POWER
5
6
Base Socket
Close across the terminal 3 – 4 and 5 – 9 when the remote sensing is not used.
*Option /E
LCF SPECIFICATIONS
ES-1358 Rev.9 Page 3/4
https://www.m-system.co.jp/
MODEL: LCF
Specifications are subject to change without notice.
LCF SPECIFICATIONS
ES-1358 Rev.9 Page 4/4
https://www.m-system.co.jp/
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