MODEL: MLS Plug-in Signal Conditioners M-UNIT

MODEL: MLS Plug-in Signal Conditioners M-UNIT
MODEL: MLS
Plug-in Signal Conditioners M-UNIT
DIGITAL MULTIPLIER
Functions & Features
• Accepting two DC inputs and providing a standard process
signal proportional to the multiplication of the two signals
• Isolation up to 2000 V AC
• LCD meter
• High-density mounting
Typical Applications
• DC wattmeter (multiplying voltage and current inpus)
• Remote gain control (potentiometer signals pre-converted
into 1 – 5 V, provided to the MLS inputs)
50
(1.97)
80
(3.15)
127
(5)
mm (inch)
MODEL: MLS–[1][2][3]–[4][5]
ORDERING INFORMATION
• Code number: MLS-[1][2][3]-[4][5]
Specify a code from below for each [1] through [5].
(e.g. MLS-6AA-B/E)
• Special input and output ranges (For codes Z & 0)
• Parameters (e.g. K1 = 0.50, K2 = 0.90)
[1] INPUT 1
Current
A: 4 – 20 mA DC (Input resistance 250 Ω)
A1: 4 – 20 mA DC (Input resistance 50 Ω)
B: 2 – 10 mA DC (Input resistance 500 Ω)
C: 1 – 5 mA DC (Input resistance 1000 Ω)
D: 0 – 20 mA DC (Input resistance 50 Ω)
E: 0 – 16 mA DC (Input resistance 62.5 Ω)
F: 0 – 10 mA DC (Input resistance 100 Ω)
G: 0 – 1 mA DC (Input resistance 1000 Ω)
H: 10 – 50 mA DC (Input resistance 100 Ω)
K: 0 – 100 μA DC (Input resistance 1000 Ω)
GW: -1 – +1 mA DC (Input resistance 1000 Ω)
FW: -10 – +10 mA DC (Input resistance 100 Ω)
Z: Specify current (See INPUT SPECIFICATIONS)
Voltage
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1: 0 – 10 mV DC (Input resistance 10 kΩ min.)
2: 0 – 100 mV DC (Input resistance 100 kΩ min.)
3: 0 – 1 V DC (Input resistance 1 MΩ min.)
4: 0 – 10 V DC (Input resistance 1 MΩ min.)
5: 0 – 5 V DC (Input resistance 1 MΩ min.)
6: 1 – 5 V DC (Input resistance 1 MΩ min.)
4W: -10 – +10 V DC (Input resistance 1 MΩ min.)
5W: -5 – +5 V DC (Input resistance 1 MΩ min.)
0: Specify voltage (See INPUT SPECIFICATIONS)
[2] INPUT 2
Same range availability as Input 1
[3] 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
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)
[4] POWER INPUT
AC Power
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
DC Power
S: 12 V DC
R: 24 V DC
V: 48 V DC
MLS SPECIFICATIONS
ES-1644 Rev.3 Page 1/3
MODEL: MLS
Offset: Max. 1.5 times span
Load resistance: Output drive 10 mA max.; 5 mA for
negative voltage output; at ≥ 0.5 V
[5] OPTIONS
Signal Indicator
blank: Without
/E: Front-mounted LCD meter
INSTALLATION
GENERAL SPECIFICATIONS
Construction: Plug-in
Connection: M3.5 screw terminals
Housing material: Flame-resistant resin (black)
Isolation: Input 1 or input 2 to output to power
(Negative sides of the input 1 and 2 must be of the same
potential.)
Overrange output: 0 to 115 % at 1 – 5 V
Zero adjustment: -5 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Equation: Output = K1 × Input 1 × K2 × Input 2
K1, K2: 0.10 – 1.15 (parameters)
where K1 × K2 ≥ 0.2
Input 1, Input 2: 0 – 115 %; forcibly limited to 0 % or 115 %
with overrange.
Output: 0 – 115 % with K1 × K2 ≥ 1;
forcibly limited to 0 % or 115 % with overrange.
0 – [115 × K1 × K2] % with K1 × K2 < 1;
forcibly limited to 0 % or [115 × K1 × K2] % with overrange.
K1, K2 are ex-factory specified.
[example]
K1
K2
INP1
INP2
OUT
1.00 1.15 115 % 100 % 115 %
1.00 1.15 100 % 50 % 57.5 %
1.00 1.15 100 % -5 %
0%
LCD meter: Indicating multiplied result; 0.1 % increments
Power input
•AC: Operational voltage range: rating ±10 %,
50/60 ±2 Hz, approx. 3 VA
•DC: Operational voltage range: rating ±10 %,
ripple 10 %p-p max., approx. 2 W (80 mA at 24 V)
Operating temperature: -5 to +60°C (23 to 140°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: Surface or DIN rail
Weight: 350 g (0.77 lbs)
PERFORMANCE in percentage of span
Accuracy: ±0.2 %
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute (input 1 or input 2
to output to power to ground)
INPUT SPECIFICATIONS
• DC Current:
Shunt resistor attached to the input terminals (0.5 W)
Specify input resistance value for code Z.
• DC Voltage: -300 – +300 V DC
Minimum span: 10 mV
Offset: Max. 1.5 times span
Input resistance
Span 10 – 100 mV : ≥ 10 kΩ
Span 0.1 – 1 V : ≥ 100 kΩ
Span ≥ 1 V : ≥ 1 MΩ
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
http://www.m-system.co.jp/
MLS SPECIFICATIONS
ES-1644 Rev.3 Page 2/3
MODEL: MLS
DIMENSIONS unit: mm (inch)
CLAMP
(top & bottom)
20
(.79)
7.8 (.31)
5
4
3
7
8
1
2
2–4.5 (.18) dia.
MTG HOLE
15 (.59) deep
8–M3.5
SCREW
50 (1.97)
6
80 (3.15)
80 (3.15)
35.4 (1.39)
DIN RAIL
35mm wide
107 (4.21)
40 (1.57)
127 (5)
[3.3 (.13)]
50 (1.97)
• When mounting, no extra space is needed between units.
TERMINAL ASSIGNMENTS unit: mm (inch)
6
5
4
3
7
8
1
2
12 (.47)
INPUT RESISTOR
(model: REM)
Input shunt resistor attached
for current input.
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
**
Isolation
+
INPUT 1
R
*
–
R
–
Digital
Computation
Z
S
Output
Driver
*
5
1 +
OUTPUT
2 –
4
+
INPUT 2
3
Input
Circuit
Input
Circuit
7 U(+)
POWER
8 V(–)
6
Base Socket
* Input shunt resistor attached for current inputs.
**Option /E
Specifications are subject to change without notice.
http://www.m-system.co.jp/
MLS SPECIFICATIONS
ES-1644 Rev.3 Page 3/3
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