M3LLC STRAIN GAUGE TRANSMITTER
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M3LLC STRAIN GAUGE TRANSMITTER
(field- and PC-configurable)
Functions & Features
• Provides a DC output signal proportional to a bridge type strain gauge utilized in load cells and pressure transducers
• Compatibility with strain gauges of various
bridge resistances and output ratings
• Supplies required excitation voltage; 0.1 – 10.0 V adjustable
• Response time ≤ 10 msec.
• Front control button function can be locked
Typical Applications
• Weighing system for tanks, hoppers and silos
• Weighing system using cranes
• Pressure sensor utilizing strain gauges
• Float level meter utilizing strain gauges
MODEL: M3LLC–[1]–R4/[2][3]
ORDERING INFORMATION
• Code number: M3LLC–[1]–R4/[2][3]
Specify a code from below for each [1] through [3].
(e.g. M3LLC-S1-R4/A/UL/Q)
• Specify the specification for option code /Q
(e.g. /C01)
• Factory setting:
Input signal
S1: 1.0 mV
S2: 3.0 mV
S3: 10.0 mV
S4: 30.0 mV
Excitation voltage: 1 V
Output range: 4 – 20 mA
[1] INPUT STRAIN GAUGE
S1: 0.0 – 1.0 mV/V
S2: 0.0 – 3.0 mV/V
S3: 0.0 – 10.0 mV/V
S4: 0.0 – 30.0 mV/V
OUTPUT – Field-selectable
Current
0 – 20 mA DC
Voltage
-2.5 – +2.5 V DC
-10 – +10 V DC
POWER INPUT
DC Power
R4: 10 – 32 V DC
(Operational voltage range 9 - 36 V, ripple 10 %p-p max.)
[2] CONFIGURATION OPTIONS
A: PC and field configurable
B: Field configurable
[3] OPTIONS (multiple selections)
Standards & Approvals
blank: CE marking
/UL: UL approval, CE marking
Other Options
blank: none
/Q: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating (UL not available)
RELATED PRODUCTS
• PC configurator software (model: M3CFG)
Downloadable at M-System’s web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
GENERAL SPECIFICATIONS
Construction: Small-sized front terminal structure
Connection: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm2, stripped length 8 mm)
Housing material: Flame-resistant resin (gray)
Isolation: Input to output to power
Overrange output: -15 to +115 %
Zero adjustment: -15 to +15 % (front)
Span adjustment: 85 to 115 % (front)
Status indicator LED: Tri-color (green/amber/red) LED; Blinking patterns indicate operation status of the transmitter.
Configuration
PC configurator:
Programmable features include:
• Input range and output type and range
• Zero and span adjustments
(Refer to the instruction manual)
‘One-Step Cal’ calibration: With I/O type and the full-scale range configured via the internal DIP switches, precise 0 % and 100 % ranges are calibrated via the front control buttons with a help of LED. Also I/O calibration and fine adjustment are available with a PC.
Configurator connection: 2.5 dia. miniature jack;
RS-232-C level
INPUT SPECIFICATIONS
■ Strain Gauge Input
• Strain Gauge
Rated output from strain gauge:
• S1: Volt. range -10.0 – +10.0 mV, span 1.0 – 10.0 mV
• S2: Volt. range -30.0 – +30.0 mV, span 3.0 – 30.0 mV
• S3: Volt. range -99.9 – +99.9 mV, span 10.0 – 99.9 mV
• S4: Volt. range -300.0 – +300.0 mV, span 30.0 – 300.0 mV
Consult factory for use with a compression/tension load cells.
• Excitation: 0.1 – 10.0 V adjustable (0.1 V increments)
Maximum current: 30mA
■ Contact Input: TTL level (5V-CMOS level), open collector or dry contact (detecting voltage: approx. 5 V, saturation voltage: ≤ 1 V, sink current: 0.5 mA)
OUTPUT SPECIFICATIONS
■ DC Current
Maximum range: 0 – 20 mA DC
Minimum span: 1 mA
(Add 0.1 % to accuracy with output span 2 mA or less.)
Conformance range: 0 – 20 mA DC
(Negative overrange current below 0 mA is not available.)
Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance: Output drive 12 V maximum
■ DC Voltage
Narrow Spans (mV)
Maximum range: -2.5 – +2.5 V DC
Minimum span: 250 mV
Conformance range: -3 – +3 V DC
Wide Spans (V)
Maximum range: -10 – +10 V DC
Minimum span: 1 V
Conformance range: -11.5 – +11.5 V DC
(Overrange voltage below -11.5 V is not available.)
Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance: Output drive 10 mA maximum; 5 mA for negative output
INSTALLATION
Power consumption
•DC: Approx. 5 W
Operating temperature: -25 to +65°C (-13 to +149°F)
Max. 55°C (131°F) for UL approval
Operating humidity: 0 to 95 %RH (non-condensing)
Mounting: DIN rail
Weight: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy: Input + output
Input: ±0.1 %
Output: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. range at -5 to +55°C [23 to 131°F];
±0.03 %/°C (±0.02 %/°F) at <-5°C, >+55°C
Response time: ≤10 msec. (0 – 90 %)
Excitation: Set value ±250 mV
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input to output or power to ground)
500 V AC @ 1 minute (output to power)
STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EN 50581
Approval:
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.1010-1)
EXTERNAL VIEW
The DIP switch setting is required to select output types before setting a precise output range using the PC configurator software.
For detailed information on the configuration and calibration, refer to the instruction manual.
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Việt Nam
(field- and PC-configurable)
Functions & Features
• Provides a DC output signal proportional to a bridge type strain gauge utilized in load cells and pressure transducers
• Compatibility with strain gauges of various
bridge resistances and output ratings
• Supplies required excitation voltage; 0.1 – 10.0 V adjustable
• Response time ≤ 10 msec.
• Front control button function can be locked
Typical Applications
• Weighing system for tanks, hoppers and silos
• Weighing system using cranes
• Pressure sensor utilizing strain gauges
• Float level meter utilizing strain gauges
MODEL: M3LLC–[1]–R4/[2][3]
ORDERING INFORMATION
• Code number: M3LLC–[1]–R4/[2][3]
Specify a code from below for each [1] through [3].
(e.g. M3LLC-S1-R4/A/UL/Q)
• Specify the specification for option code /Q
(e.g. /C01)
• Factory setting:
Input signal
S1: 1.0 mV
S2: 3.0 mV
S3: 10.0 mV
S4: 30.0 mV
Excitation voltage: 1 V
Output range: 4 – 20 mA
[1] INPUT STRAIN GAUGE
S1: 0.0 – 1.0 mV/V
S2: 0.0 – 3.0 mV/V
S3: 0.0 – 10.0 mV/V
S4: 0.0 – 30.0 mV/V
OUTPUT – Field-selectable
Current
0 – 20 mA DC
Voltage
-2.5 – +2.5 V DC
-10 – +10 V DC
POWER INPUT
DC Power
R4: 10 – 32 V DC
(Operational voltage range 9 - 36 V, ripple 10 %p-p max.)
[2] CONFIGURATION OPTIONS
A: PC and field configurable
B: Field configurable
[3] OPTIONS (multiple selections)
Standards & Approvals
blank: CE marking
/UL: UL approval, CE marking
Other Options
blank: none
/Q: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating (UL not available)
RELATED PRODUCTS
• PC configurator software (model: M3CFG)
Downloadable at M-System’s web site.
A dedicated cable is required to connect the module to the PC. Please refer to the internet software download site or the users manual for the PC configurator for applicable cable types.
GENERAL SPECIFICATIONS
Construction: Small-sized front terminal structure
Connection: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm2, stripped length 8 mm)
Housing material: Flame-resistant resin (gray)
Isolation: Input to output to power
Overrange output: -15 to +115 %
Zero adjustment: -15 to +15 % (front)
Span adjustment: 85 to 115 % (front)
Status indicator LED: Tri-color (green/amber/red) LED; Blinking patterns indicate operation status of the transmitter.
Configuration
PC configurator:
Programmable features include:
• Input range and output type and range
• Zero and span adjustments
(Refer to the instruction manual)
‘One-Step Cal’ calibration: With I/O type and the full-scale range configured via the internal DIP switches, precise 0 % and 100 % ranges are calibrated via the front control buttons with a help of LED. Also I/O calibration and fine adjustment are available with a PC.
Configurator connection: 2.5 dia. miniature jack;
RS-232-C level
INPUT SPECIFICATIONS
■ Strain Gauge Input
• Strain Gauge
Rated output from strain gauge:
• S1: Volt. range -10.0 – +10.0 mV, span 1.0 – 10.0 mV
• S2: Volt. range -30.0 – +30.0 mV, span 3.0 – 30.0 mV
• S3: Volt. range -99.9 – +99.9 mV, span 10.0 – 99.9 mV
• S4: Volt. range -300.0 – +300.0 mV, span 30.0 – 300.0 mV
Consult factory for use with a compression/tension load cells.
• Excitation: 0.1 – 10.0 V adjustable (0.1 V increments)
Maximum current: 30mA
■ Contact Input: TTL level (5V-CMOS level), open collector or dry contact (detecting voltage: approx. 5 V, saturation voltage: ≤ 1 V, sink current: 0.5 mA)
OUTPUT SPECIFICATIONS
■ DC Current
Maximum range: 0 – 20 mA DC
Minimum span: 1 mA
(Add 0.1 % to accuracy with output span 2 mA or less.)
Conformance range: 0 – 20 mA DC
(Negative overrange current below 0 mA is not available.)
Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance: Output drive 12 V maximum
■ DC Voltage
Narrow Spans (mV)
Maximum range: -2.5 – +2.5 V DC
Minimum span: 250 mV
Conformance range: -3 – +3 V DC
Wide Spans (V)
Maximum range: -10 – +10 V DC
Minimum span: 1 V
Conformance range: -11.5 – +11.5 V DC
(Overrange voltage below -11.5 V is not available.)
Offset: Lower range can be any specific value within the output range provided that the minimum span is maintained.
Load resistance: Output drive 10 mA maximum; 5 mA for negative output
INSTALLATION
Power consumption
•DC: Approx. 5 W
Operating temperature: -25 to +65°C (-13 to +149°F)
Max. 55°C (131°F) for UL approval
Operating humidity: 0 to 95 %RH (non-condensing)
Mounting: DIN rail
Weight: 150 g (0.33 lb)
PERFORMANCE in percentage of span
Accuracy: Input + output
Input: ±0.1 %
Output: ±0.1 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. range at -5 to +55°C [23 to 131°F];
±0.03 %/°C (±0.02 %/°F) at <-5°C, >+55°C
Response time: ≤10 msec. (0 – 90 %)
Excitation: Set value ±250 mV
Line voltage effect: ±0.1 % over voltage range
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input to output or power to ground)
500 V AC @ 1 minute (output to power)
STANDARDS & APPROVALS
EU conformity:
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EN 50581
Approval:
UL/C-UL general safety requirements
(UL 61010-1, CAN/CSA-C22.2 No.1010-1)
EXTERNAL VIEW
The DIP switch setting is required to select output types before setting a precise output range using the PC configurator software.
For detailed information on the configuration and calibration, refer to the instruction manual.
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Việt Nam
Email: Sales@m-system.com.vn
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