ES-8508 Rev.6
W5LCS
Terminal Block Dual Output Signal Conditioners W5-UNIT
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 selectable among 2.5 V, 5 V and 10 V
• Wide-range adjustment: 0 – 60 % for zero, 100 – 40 % for span
• High density mounting
MODEL: W5LCS-[1][2][3][4]-[5][6]
ORDERING INFORMATION
• Code number: W5LCS-[1][2][3][4]-[5][6]
Specify a code from below for each of [1] through [6].
(e.g. W5LCS-1224W5W-R2/K/Q)
• Special input and output ranges (For codes Z & 0)
• Specify the specification for option code /Q
(e.g. /C01/S01)
[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
[2] EXCITATION
1
: 2.5 V
2
: 5 V
3
: 10 V
0
: Specify
[3] OUTPUT 1
Current
A
: 4 – 20 mA DC (Load resistance 550 Ω max.)
B
: 2 – 10 mA DC (Load resistance 1100 Ω max.)
C
: 1 – 5 mA DC (Load resistance 2200 Ω max.)
D
: 0 – 20 mA DC (Load resistance 550 Ω max.)
E
: 0 – 16 mA DC (Load resistance 685 Ω max.)
F
: 0 – 10 mA DC (Load resistance 1100 Ω max.)
G
: 0 – 1 mA DC (Load resistance 11 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] OUTPUT 2
Same range availability as Output 1
Y
: None
[5] POWER INPUT
AC Power
M
: 85 – 264 V AC (Operational voltage range 85 – 264 V,
47 – 66 Hz)
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.)
P
: 110 V DC
(Operational voltage range 85 – 150 V, ripple 10 %p-p max.)
[6] OPTIONS (multiple selections)
Response Time (0 – 90 %)
blank
: Standard (≤ 0.5 sec.)
/K
: Fast Response (Approx. 25 msec.)
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
TERMINAL SCREW MATERIAL
/S01
: Stainless steel
GENERAL SPECIFICATIONS
Construction
: Terminal block
Connection
Input
: M3.5 screw terminals (torque 0.8 N·m)
Output & power
: M3 screw terminals (torque 0.8 N·m)
Screw terminal
: Nickel-plated steel (standard) or stainless steel
Housing material
: Flame-resistant resin (black)
Isolation
: Input to output 1 to output 2 to power
Overrange output
: Approx. -10 to +120 % at 1 – 5 V
Zero adjustment
: 0 – 60 % (front)
Span adjustment
: 100 – 40 % (front)
INPUT SPECIFICATIONS
Input
: Bridge voltage from load cells
Max. leadwire resistance
:
Strain gauge’s combined resistance × 0.25
• Strain Gauge
Rated output from strain gauge
:
1 – 20 mV/V; voltage range -100 – +100 mV (Input to the
W5LCS must be 5 mV or more.)
(Input must be 10 mV or more for the input strain gauge
and/or the excitation suffix code 0)
• Excitation
: 2 – 10 V
Maximum current
: 45 mA
OUTPUT SPECIFICATIONS
■ DC Current
: 0 – 20 mA DC
Minimum span
: 1 mA
Offset
: Max. 1.5 times span
Load resistance
: Output drive 11 V max.
■
DC Voltage
: -10 – +12 V DC
Spans
: Min. 5 mV, max. 20 V
Offset
: Max. 1.5 times span
Load resistance
: Output drive 10 mA max.; 5 mA for negative voltage output; at ≥ 0.5 V
INSTALLATION
Power Consumption
•
AC
:
Approx. 4 VA at 100 V
Approx. 5 VA at 200 V
Approx. 6 VA at 264 V
•
DC
: Approx. 3 W
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 0 to 90 %RH (non-condensing)
Mounting
: DIN rail
Weight
: 130 g (0.29 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.1 %
Temp. coefficient
: ±0.02 %/°C (±0.01 %/°F)
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 1 or output 2 to power to ground)
1000 V AC @1 minute (output 1 to output 2)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM