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4.4: Connecting the Transducer (continued)
Half-Bridge Electrical Connections
Red and Blue
Yellow
Red and Yellow
Black
4.5: Connecting the Power Supply
The LDX-4 requires a dc power supply in the range 10-30 V. A fully regulated
supply is not required, but the voltage at the input to the LDX-4 must remain
within specification. Ideally, the 0 V at the power supply should not be connected
to earth or the chassis, as this would result in ground loops being formed. The 0
V supply, 0 V signal and case are all internally connected together at the LDX-4.
4.6: Connecting the Signal Out
The output signal may be voltage or current.
S ta n d a rd L V D T G a u g in g P ro b e P lu g C o n n e c tio n s
L V D T
+
-
C a se
N o te 1 : + in d ica te s in w a rd m o ve m e n t o f th e tip .
N o te 2 : T h e tra n sd u ce r b o d y m a y b e d isco n n e cte d fro m th e ca b le scre e n b y
cu ttin g th e b la ck w ire in sid e th e co n n e cto r
Energizing
Signal
In Phase for Inward Dis-
placement
Transducer Body Ground
S ta n d a rd H a lf-B rid g e G a u g in g P ro b e P lu g C o n n e c tio n s
H a lf-B rid ge
+
-
C a se
N o te 1 : + in d ica te s in w a rd m o ve m e n t o f th e tip .
N o te 2 : T h e tra n sd u ce r b o d y m a y b e d isco n n e cte d fro m th e ca b le scre e n b y
cu ttin g th e b la ck w ire in sid e th e co n n e cto r
B la ck
C a b le S cre e n
B lu e
W h ite
Y e llo w
G re e n
R e d
B la ck
C a b le S cre e n
L IN K
B lu e
Y e llo w
R e d
C a se
3
4
2
5
1
P lu g vie w
in to p in s
B lue
V
A
Y ellow
C entre T ap
V
O
V
B
R ed
C a se
3
4
2
5
1
P lu g vie w
in to p in s
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