6.1: Connecting the transducer
Half-Bridge Electrical Connections
Red and Blue Energizing
Yellow
Signal
Red and Yellow In Phase for Inward Displacement
Black
Transducer Body Ground
6.2: Setting up the Half-Bridge Transducer
The setting up procedure is the same as LVDT transducers. See section 5. The
sensitivity of half-bridge transducers is generally lower than for LVDT types, the x2
and x4 gain position may have to be used.
7.0: Specifications
7.1: Electrical
Parameter
Value
Comments
Power Supply
Typical Voltage / Current
24 VDC at 55 mA
Voltage Range
10 to 30 VDC
Current Range
140 mA at 10 V to 50 mA
at 30 V
Transducer Excitation
Energizing Voltage
3 Vrms nominal
see note 1
Energizing Frequency
2.5 kHz (Lo) or 5 kHz (Hi)
nominal
10 kHz (Lo) or 13 kHz
(Hi)
link selectable
Half-Bridge version only
Energizing Current
30 mA max.
Transducer Signal Input
Input Signal Range
Standard
400 to 2500 mV FR
6 gain ranges (applies to
LVDT only)
Special
DIV2 2500 to 500 mV FR
x2 150 to 400 mV FR
x4 55 to 150 mV FR
see note 2
Input Load Resistance
2, 10, 10 K
W
link selectable
Options
Forward and Reverse
LVDT Input
Half-Bridge Input
link selectable
standard
special plug wiring or
half-bridge version only
C
O
R
E
Blue
Yellow
Red
V
V
A
B
Centre Tap
V
O
