Phonetics SENSAPHONE EXPRESS II, User Manual

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13 Chapter 3: Inputs
COMMON
COMMON
COMMON
Input terminal
C
10
C
11
C
9 INPUT
INPUT
INPUT
RED WIRE
+ 4-2
0
m
A
SE
N
SO
R
WIR
E
Dry contact sensor
BLACK WIRE
_
4-2
0
m
A
SE
N
SO
R
WIR
E
EXTERNAL
POWER
SOURCE
(-) (+)
Figure 7: 4-20mA sensor using external power source
To use a 0-5V sensor with Express II, wire the sensor signal lead to a numbered terminal screw
on the unit. Then, wire the sensor common to the corresponding common screw on Express II.
See Figure 8.
COMMON
COMMON
COMMON
Input terminal
C
10
C
11
C
9 INPUT
INPUT
INPUT
0-5V
Signal
Common
Figure 8: 0-5V sensor