ES-0853 Rev.2
10LCK
High-density Signal Conditioners 10-RACK
STRAIN GAUGE TRANSMITTER
(fast response)
Functions & Features
• Providing a DC output signal proportional to a bridge type strain gauge utilized in load cells, pressure transducers
• Supplying required excitation voltage
• Excitation adjustable from 2 V to 10 V
• Wide-range adjustment: 0 – 80 % for zero, 20 – 100 % for span
Typical Applications
• Weighing system for tanks, hoppers, silos
• Weighing system using cranes
• Float level meter utilizing strain gauges
MODEL: 10LCK–[1][2]0–R[3]
ORDERING INFORMATION
• Code number: 10LCK-[1][2]0-R[3]
Specify a code from below for each of [1] through [3].
(e.g. 10LCK-2A0-R/Q)
• Specify the specification for option code /Q
(e.g. /C01)
[1] INPUT STRAIN GAUGE
2
: 2 mV/V
0
: Specify (strain gauge and excitation)
[2] OUTPUT 1
Current
A
: 4 – 20 mA DC (Load resistance 600 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1200 Ω max.)
C
: 1 – 5 mA DC (Load resistance 2400 Ω max.)
D
: 0 – 20 mA DC (Load resistance 600 Ω max.)
E
: 0 – 16 mA DC (Load resistance 750 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1200 Ω max.)
G
: 0 – 1 mA DC (Load resistance 12 kΩ max.)
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 10 kΩ min.)
OUTPUT 2
0
: None
POWER INPUT
DC Power
R
: 24 V DC
(Operational voltage range 24 V ±10 %, ripple 10 %p-p max.)
[3] OPTIONS
blank
: none
/Q
: With options (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
GENERAL SPECIFICATIONS
Construction
: Rack-mounted; terminal access via screw terminals at the front and via card-edge connector at the rear; terminal cover provided
Connection
Input
: M3.5 screw terminals (torque 0.8 N·m)
Output
: Card-edge connector and M3.5 screw terminals (torque 0.8 N·m)
Power input
: Supplied from card-edge connector
Screw terminal
: Nickel-plated 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 adjustment (tare)
: 0 – 80 % (front)
(May not applicable when the excitation voltage is changed after shipment.)
Span adjustment
: 100 – 20 % (front)
(May not applicable when the excitation voltage is changed after shipment.)
INPUT SPECIFICATIONS
■
Input
: Bridge voltage from load cells
•
Strain Gauge
Rated output from strain gauge
: 1 – 20 mV/V;
Input to this module must be over 3 mV.
•
Excitation
: 2 – 10 V adjustable (5 V standard)
Maximum current
: 35 mA
INSTALLATION
Current consumption
: Approx. 120 mA
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Standard Rack 10BXx
Weight
: 200 g (0.44 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 % (input ≥ 3 mV)
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F) (input ≥ 3 mV)
Response time
: Approx. 25 msec. (0 – 90 %)
Line voltage effect
: ±0.1 % over voltage range
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 500 V AC @ 1 minute
(input to output to power)
1500 V AC @ 1 minute (input or output or power to ground)
EXTERNAL VIEW
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM