MicroStrain, Inc.
22
Terminal Strip
The SG-Link® OEM has an 8-pin wiring terminal strip incorporated on one edge of the
circuit board. This terminal strip accommodates the differential input channel sensor
connection, the single ended connection, and a power connection.
Vxc
S+
S-
GN
D
S
ens
e
Ain
GN
D
V
input
1
8
Figure 5
Pin Number Pin Name
Pin Description
1 Vxc
3.0 volt sensor excitation.
2 S+
Positive input to the differential amplifier.
3 S-
Negative input to the differential amplifier.
4 GND
Signal ground (common with pin 7).
5 Sense
Input for three wire mode on quarter bridge strain
gauges. Leave unconnected for full and half bridge
strain gauge applications.
6 Ain
Analog 0-3.0 volt input.
7 GND
Input power ground (common with pin 4).
8 Vinput
Input power positive (3.2-9 volts DC).
Table 8
The SG-Link® OEM starter kit is shipped with a Phoenix-brand terminal block connector
to facilitate making lead connections with the Terminal Strip. The terminal block can be
easily soldered into the terminal strip to provide screw-type terminals. Specifications for
the terminal block may be found at:
http://media.digikey.com/pdf/Data%20Sheets/Phoenix%20Contact%20PDFs/1725711.pdf
