dSPACE DS1103 - Page 183

If your encoder provides single‑ended TTL signals, the inverted pins
(PHI90, PHI0 and IDX) must be left unconnected (see illustration
below).
Encoder providing single-
ended TTL signals
GND
Incremental encoderDS1103
GND
PHI0 PHI0
PHI90
INDEXIDX
PHI90
VSupply
VCC
PHI0
PHI90
IDX
(optional)
s
Incremental Encoder Interface
t
DS1103 Hardware Installation and Configuration November 2014
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