ES-5047 Rev.17
M2LCS
Super-mini Signal Conditioners Mini-M Series
STRAIN GAUGE TRANSMITTER
Functions & Features
• Provides a DC output signal compatible with a bridge type strain gauge utilized in load cells, pressure transducers
• Supplies required excitation voltage
• Excitation adjustable from 2 to 10 V
• Wide-range adjustment: 0 – 80 % for zero, 100 – 20 % for span
• Three-way isolation
Typical Applications
• Weighing system for tanks, hoppers, silos
• Weighing system using cranes
• Float level meter utilizing strain gauges
MODEL: M2LCS–[1][2]–[3][4]
ORDERING INFORMATION
• Code number: M2LCS-[1][2]-[3][4]
Specify a code from below for each of [1] through [4].
(e.g. M2LCS-2A-M2/K/CE/Q)
• Special output range (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
Note: Must be used with its socket. NOT installable to a multi-unit installation base. (e.g. model: M2BS-16)
[1] INPUT STRAIN GAUGE
1
: 1 mV/V
12
: 1.25 mV/V
15
: 1.5 mV/V
2
: 2 mV/V
3
: 3 mV/V
4
: 4 mV/V
5
: 5 mV/V
6
: 10 mV/V
7
: 20 mV/V
0
: Specify (strain gauge and excitation)
[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
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)
[3] POWER INPUT
AC Power
M2
: 100 – 240 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
(90 – 264 V for UL)
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
R2
: 11 – 27 V DC
(Operational voltage range 11 – 27 V, ripple 10 %p-p max.)
(Select ‘/N’ for ‘Standards & Approvals’ code.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
(110 V ±10 % for UL)
[4] OPTIONS (multiple selections)
Response Time (0 – 90 %)
blank
: Standard (≤ 0.5 sec.)
/K
: Fast Response (Approx. 25 msec.)
Standards & Approvals (must be specified)
/N
: Without CE or UL
/CE
: CE marking
/UL
: UL approval, CE marking
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating (UL not available)
/C04
: Polyolefin coating (UL not available)
TERMINAL SCREW MATERIAL
/S01
: Stainless steel (UL not available)
GENERAL SPECIFICATIONS
Construction
: Plug-in
Connection
: M3 screw terminals (torque 0.8 N·m)
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
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)
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
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 Consumption
•
AC
:
Approx. 3 VA at 100 V
Approx. 4 VA at 200 V
Approx. 5 VA at 264 V
•
DC
: Approx. 3 W
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 % (input ≥ 3 mV)
Linearity
: ±0.05 % (Input ≥3 mV)
Temp. coefficient
: ±0.02 %/°C (±0.01 %/°F) (input ≥ 3 mV)
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)
STANDARDS & APPROVALS
EU conformity
:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
Low Voltage Directive
EN 61010-1
Installation Category II
Pollution Degree 2
Input or output to power: Reinforced insulation (300 V)
Input to output: Basic insulation (300 V)
RoHS Directive
Approval
:
UL/C-UL nonincendive Class I, Division 2,
Groups A, B, C, and D
(UL 121201, CAN/CSA-C22.2 No.213-17)
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.61010-1-12)
FRONT VIEW
(with the cover open)
•
Coarse Zero Adj. (auxiliary)
: Used when the zero cannot be adjusted with only the coarse and fine zero adjustments.
•
Excitation Adj.
: Factory adjusted.
•
Coarse Zero Adj.
: Tare adjustment. Approx. 5 % of input span adjustable with each increment. Max. 80 % by 16 positions.
•
Coarse Span Adj.
: Gain adjustment. 100 – 20 % of input span adjusted by 16 positions.
•
Fine Zero Adj.
: Tare adjustment
•
Fine Span Adj.
: Gain adjustment
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM