MLV-4-V/E 概述
Plug-in Signal Conditioners M-UNIT
MLV-4-V/E 数据手册
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PDF下载MODEL: MLV
3: 0 – 1 V DC (Load resistance 100 Ω min.)
Plug-in Signal Conditioners M-UNIT
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)
LVDT TRANSMITTER
Functions & Features
• Providing synchronous demodulation and conditioning for
LVDT (Linear Variable Differential Transformer) transducers
• Wide input range 20 – 1000 mV/V
• Isolation up to 2000 V AC
[2] POWER INPUT
AC Power
• LCD meter
• High-density mounting
B: 100 V AC
C: 110 V AC
D: 115 V AC
F: 120 V AC
G: 200 V AC
H: 220 V AC
J: 240 V AC
Typical Applications
• Measuring motion and other dynamic parameters
50
(1.97)
DC Power
80
(3.15)
S: 12 V DC
R: 24 V DC
V: 48 V DC
136
(5.35)
P: 110 V DC
mm (inch)
[3] OPTIONS (multiple selections)
Input Signal Indicator
MODEL: MLV–[1]–[2][3]
blank: Without
/E: With (0.0 - 100.0 % display)
Other Options
ORDERING INFORMATION
• Code number: MLV-[1]-[2][3]
blank: none
Specify a code from below for each of [1] through [3].
(e.g. MLV-A-B/E/Q)
/Q: With options (specify the specification)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
INPUT
/C03: Rubber coating
LVDT 20 – 1000 mV/V at maximum deviation
TERMINAL SCREW MATERIAL
/S01: Stainless steel
[1] OUTPUT
Current
GENERAL SPECIFICATIONS
Construction: Plug-in
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
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
Overrange output: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Gain adjustment: 1 – 50 (front)
1: 0 – 10 mV DC (Load resistance 10 kΩ min.)
2: 0 – 100 mV DC (Load resistance 100 kΩ min.)
MLV SPECIFICATIONS
ES-1356 Rev.8 Page 1/3
http://www.m-system.co.jp/
MODEL: MLV
Excitation adjustment: 6 – 10 Vp-p (front)
■ DISPLAY (Input indicator)
Mounting: Surface or DIN rail
Weight: 400 g (0.88 lb)
LCD digital display: 0.0 - 100.0 % (min. digit 0.1 %)
(No scaling)
PERFORMANCE in percentage of span
Accuracy: ±0.1 %
INPUT SPECIFICATIONS
Display accuracy: ±(0.1 % of FS + 1 digit)
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Input: LVDT; 20 – 1000 mV/V at max. deviation; Input
voltage to the MLV must be over 160m Vp-p.
• Excitation: 6 – 10 Vp-p variable (8 Vp-p standard)
Frequency: Approx. 4 kHz
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input to output
to power to ground)
Maximum current: 20 mA r.m.s.
Caution: The input signal may be affected by the type and
length of the cable between the LVDT and the transmitter.
When calibrating the system before installation, use the
same type and length of cable.
If there is an error greater than the described accuracy, or
when you need to change the frequency, please consult
with M-System.
Certain type of LVDT may not be usable with the MLV.
Consult M-System before ordering to confirm the
compatibility.
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
■ OPERATION DIAGRAM
OUTPUT
V
1
mA
V
20 +10
0.5 12
0
0
4
-10
-100%
0
+100% INPUT
0%
50
100% LCD DISPLAY
INSTALLATION
Power input
• AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 2 VA
• DC: Operational voltage range: rating ±10 %, or 85 – 150
V for 110 V rating (ripple 10 % p-p max.)
approx. 2 W (80 mA at 24 V)
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
MLV SPECIFICATIONS
ES-1356 Rev.8 Page 2/3
http://www.m-system.co.jp/
MODEL: MLV
EXTERNAL VIEW
LCD Meter
Zero Adj.
Span Adj.
Gain Adj.
Excitation Adj.
Front Cover (open)
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
4
5
1
2
7
8
*
GAIN
Z
S
Isolation
LVDT
Synchronous
Demodulation
Output
Driver
+
10
11
6
OUTPUT
POWER
–
EXC.
U(+)
V(–)
3
Excitation
9
Base Socket
*Option /E
Specifications are subject to change without notice.
MLV SPECIFICATIONS
ES-1356 Rev.8 Page 3/3
http://www.m-system.co.jp/
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