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Full Bridge Half Bridge
Module OM5-WBS38-01-C, -WBS-1/-2/-4/-5-C OM5-WBS38-03-C,-WBS-3-C
Input Range ±10mV to ±100mV
*
Input Bias Current ±0.3nA *
Input Resistance
Normal 50MΩ *
Power Off 40kΩ *
Overload 40kΩ *
Signal Input Protection
Continuous 240Vrms max *
Transient ANSI/IEEE C37.90.1-1989 *
Excitation Output (-1/-2/-3/-5-C)
+10V ±3mV *
Excitation Output
(-4-C,-01/-03-C)
+3.333V ±2mV *
Excitation Load Regulation ±5ppm/mA *
Excitation Stability ±15ppm/°C*
Half Bridge Voltage Level (-3-C) NA +5V ±1mV
Half Bridge Voltage Level (-03-C) NA +1.667V ±1mV
Isolated Excitation Protection
Continuous 240Vrms max *
Transient ANSI/IEEE C37.90.1-1989 *
CMV, Input to Output
Continuous 1500Vrms max *
Transient ANSI/IEEE C37.90.1-1989 *
CMR (50 or 60Hz) 100dB *
NMR (–3dB at 10kHz) 120dB per Decade above 10kHz *
Accuracy
(2)
±0.08% Span ±10µV RTI
(3)
*
Nonlinearity ±0.02% Span *
Stability
Input Offset ±1µV/°C*
Output Offset ±40µV/°C*
Gain ±25ppm of Reading/°C*
Noise
Input, 0.1 to 10Hz 0.4µVrms 2µVrms
Output, 100kHz 10mVp-p *
Bandwidth, –3dB 10kHz *
Rise Time, 10 to 90% span 35µs*
Setting Time, to 0.1% 250µs*
Output Range ±5V *
Output Resistance 50Ω *
Output Protection Continuous Short to Ground *
Output Selection Time 6µs at C
load
= 0 to 2000pF *
(to ±1mV of V
OUT
)
Output Current Limit ±8mA
Output Enable Control
Max Logic “0” +0.8V *
Min Logic “1” +2.4V *
Max Logic “1” +36V *
Input Current, “0,1” 0.5µA*
Power Supply Voltage +5VDC ±5% *
Power Supply Current 170mA Full Exc. Load, 70mA No Exc. Load *
Power Supply Sensitivity ±2µV/% RTI
(3)
*
Mechanical Dimensions 2.28" x 2.26" x 0.60" (58mm x 57mm x 15mm) *
Environmental
Operating Temperature Range –40°C to +85°C*
Storage Temperature Range –40°C to +85°C*
Relative Humidity 0 to 95% Noncondensing *
Emissions EN50081-1, ISM Group 1, *
Class A (Radiated, Conducted)
Immunity EN50082-1, ISM Group 1, Class A (ESD, RF, EFT) *
MODEL (10kHz) INPUT BRIDGE TYPE INPUT RANGE EXCITATION OUTPUT RANGE
OM5-WBS38-01-C Full Bridge 100Ω to 10kΩ 3.333V at 3mV/V Sensitivity -5V to +5V
OM5-WBS-1-C Full Bridge 300Ω to 10kΩ 10.0V at 3mV/V Sensitivity –5V to +5V
OM5-WBS38-03-C Half Bridge 100Ω to 10kΩ 3.333V at 3mV/V Sensitivity -5V to +5V
OM5-WBS-3-C Half Bridge 300Ω to 10kΩ 10.0V at 3mV/V Sensitivity –5V to +5V
OM5-WBS-2-C Full Bridge 300Ω to 10kΩ 10.0V at 2mV/V Sensitivity –5V to +5V
OM5-WBS-4-C Full Bridge 100Ω to 10kΩ 3.333V at 10mV/V Sensitivity –5V to +5V
OM5-WBS-5-C Full Bridge 300Ω to 10kΩ 10.0V at 10mV/V Sensitivity –5V to +5V
SPECIFICATIONS Typical at T
A
= +25°C and +5V power.
FIGURE 2. Full Bridge Connection.
ORDERING
INFORMATION
* Same as Full Bridge modules.
NOTES: (1) Strain element. (2) Includes excitation error, nonlinearity,
hysteresis and repeatability. (3) Referenced to input.
FIGURE 4. Quarter Bridge Connection.
FIGURE 3. Half Bridge Connection.
4
6
5
3
V
EXC
+EXC
+In
–In
–EXC
R
g
(1)
R
g
(1)
R
g
(1)
R
g
(1)
Backpanel
Terminal Block
OM5-WBS38-01-C
OM5-WBS-1-C
OM5-WBS-2-C
OM5-WBS-4-C
OM5-WBS-5-C
4
3
2
1
4
6
5
3
+EXC
+In
–In
–EXC
R
g
(1)
Backpanel
Terminal Block
OM5-WBS38-03-C
OM5-WBS-3-C
R
1
R
2
NC
R
1
= R
2
R
g
(1)
4
3
2
1
V
EXC
4
6
5
3
+EXC
+In
–In
–EXC
R
g
(1)
Backpanel
Terminal Block
OM5-WBS38-03-C
OM5-WBS-3-C
R
1
R
2
NC
R
1
= R
2
R
3
Customer
Supplied
4
3
2
1
V
EXC