Measurement Computing StrainBook/616 - Manual (Page 81)

CAUTION
Make the DB9 pin # 2 connection to the “low-side” or the “high-side” of the
circuit. BUT NEVER TO BOTH! Doing so will create a short circuit that could
damage equipment.
External Shunt Resistor, Low-Side Connection
Full Bridge (+) with External Shunt Resistor
DB9 Pin 2 Connected to the Low-Side
External Shunt Resistor, High-Side Connection
Full Bridge (+) with External Shunt Resistor
DB9 Pin 2 Connected to the High-Side
CAUTION
Make the DB9 pin # 2 connection to the “low-side” or the “high-side” of the
circuit. BUT NEVER TO BOTH! Doing so will create a short circuit that could
damage equipment.
Note 1: The switches represented in the schematics are controlled by software.
StrainBook/616 User’s Manual 929494 Bridge Configurations 6-17