R3-LC2 STRAIN GAUGE INPUT MODULE
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R3-LC2 Remote I/O R3 Series STRAIN GAUGE INPUT MODULE (2 points, isolated)
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Detail
·Some details are not shown. Please refer to specification sheets for all information.
R3-LC2
Remote I/O R3 Series
STRAIN GAUGE INPUT MODULE
(2 points, isolated)
MODEL: R3-LC2[1][2]
ORDERING INFORMATION
• Code number: R3-LC2[1][2]
Specify a code from below for each of [1] and [2].
(e.g. R3-LC2W/Q)
• Specify the specification for option code /Q
(e.g. /C01/SET)
NO. OF CHANNELS
2: 2
[1] COMMUNICATION MODE
S: Single
W: Dual
[2] OPTIONS
blank: none
/Q: With options (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
EX-FACTORY SETTING
/SET: Preset according to the Ordering Information Sheet
(No. ESU-8371)
GENERAL SPECIFICATIONS
Connection
Internal bus: Via the Installation Base (model: R3-BSx)
Input: M3 separable screw terminal (torque 0.5 N·m)
Internal power: Via the Installation Base (model: R3-BSx)
Screw terminal: Nickel-plated steel
Isolation: Input 1 to input 2 to contact input 1 to contact input 2 to internal bus or internal power
Input range: Selectable with the side DIP SW
Conversion rate: Selectable with the side DIP SW
RUN indicator: Bi-color (red/green) LED;
Red when the bus A operates normally;
Green when the bus B operates normally;
Amber when both buses operate normally.
ERR indicator: Bi-color (red/green) LED;
Red with input abnormality;
Green in normal operating conditions.
INPUT SPECIFICATIONS
■ Strain Gauge Input
•Strain Gauge
Rated output from strain gauge:
0.0 – 1.0 mV/V (-5.0 – +5.0 mV, span 1.0 – 10 mV)
0.0 – 3.0 mV/V (-15.0 – +15.0 mV, span 5.0 – 30 mV)
•Excitation: 5 V
Maximum current: 60 mA
Load resistance: 85 Ω minimum
■ Contact Input
Number of input: 3 points (zero, span, tare adjustments) per input channel, 6 points in total
Isolation: Optical isolator + transformer (internal power supply)
Input resistance: Approx. 5.9 kΩ
Common: Negative commons, every 3 points
Contact detecting: 13 V DC
(max. 24 V DC with no load)
ON current/resistance: ≥ 1.5 mA, ≤ 1.5 kΩ
OFF current/resistance: ≤ 0.75 mA, ≥ 18 kΩ
Detection levels
ON: ≥ 10 V
OFF: ≤ 4 V
INSTALLATION
Operating temperature: -10 to +55°C (14 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Atmosphere: No corrosive gas or heavy dust
Mounting: Installation Base (model: R3-BSx)
Weight: 250 g (0.55 lb)
PERFORMANCE
Conversion accuracy: Refer to the table at the end of this section.
Conversion rate: 160 / 80 / 40 / 20 msec. selectable
Data range: 0 – 10000 of the input range
Data allocation: 4
Current consumption: 300 mA
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F) of max. span
Excitation supply: 5 V ±250 mV
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input 1 to input 2 to contact input 1 to contact input 2 to internal bus or internal power)
2000 V AC @ 1 minute (power input to FG; isolated on the power supply module)
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
M-System Co., Ltd.
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PRODUCTS LIST
- Signal Conditioners
- 2-wire Signal Conditioners
- Power Transducers
- Indicators
- Tower Lights
- Limit Alarms
- Gateway, Remote IO
- Paperless Recording System
- PC Recorder
- Web Data Loggers
- PID Control Components
- BA&Energy Monitoring Components
- Temperature Controllers
- Electric Actuators
- Lightning Surge Protectors
STATISTIC
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