Installation manual
Mercury 3000Si Encoder System 
with Rotary scale
Page 3
Double 
shielded cable
SSyysstteemm  VViieeww
Shown with Rotary scale
Sensors
(shown attached to a customer-supplied 
mounting brackets)
Rotary scale
Dual Axis/SmartPrecision electronics module 
(interpolator)
EExxppaannddeedd  VViieeww
Rotary scale
Mounting hole (2)
Top reflective
rotary scale
Typical user-supplied 
sensor mounting bracket
Mounting screws & flat
washers (2 needed per screw)
25 pin High Density 
D-sub connector
Signal - Sensor 1
Power/Calibration - Sensor 1
Index Calibration Button - Sensor 1 and 2 
Signal - Sensor 2
PowerPower/Calibration -
Sensor 2
USB interface
Sensor 1
Sensor 2










