Reference: output signal description, Output signal description – MicroE 1500V Mercury User Manual
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SINE+/COSINE+
Analog signal with nominal peak to peak amplitude of 0.8V. The output signal has a source impedance of 1K
Ω. This signal is only used to
align the sensor using an oscilloscope and is not suitable for feedback in a control system.
Output Signal Description
-1.2
-0.6
0
0.6
1.2
Output Signal Description
A+/A-
Digital Quadrature output. Signal is a RS-422 compatible square wave.
Pulses are 90° out of phase with B+/B- outputs. Please see below.
B+/B-
Digital Quadrature output. Signal is a RS-422 compatible square wave.
Pulses are 90° out of phase with A+/A- outputs. Please see below.
Index Window
The Index Window defines one particular fringe on the grating.
A+
B+
Index+
A+, B+ and Index Window+
0.8V pp ±25%
single ended
Output from 8X encoder shown
1.7 V offset
(nominal)
-0.6
0
0.6
1.2