Emerson Control Techniques Epsilon Eb Series Reference Manual page 29

Epsilon Eb and EN Drives Reference Manual
negative changes to the Pulse Position Input. All edges of A and B are counted, therefore one
revolution of a 2048 line encoder will produce an 8192 count change on the Pulse Position
Input.
Figure 5: Pulse/Quadrature Signals, + Command
Figure 6: Pulse/Quadrature Signals, – Command
Pulse/Pulse Interpretation
In Pulse/Pulse interpretation, pulses received on the A channel are interpreted as positive
changes to the Pulse Position Input. Pulses received on the B channel are interpreted as
negative changes to the Pulse Position Input.
Figure 7: Pulse/Pulse Signals, Differential Inputs
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