Bi-Phase/Tach Optocoupler Input - DigiDesign SYNC HD Manual

Bi-phase/Tach OptoCoupler Input

BIPHA_I
R47
XREF=9
BIPHB_I
R46
XREF=9
OPTRETURN
XREF=9
Bi-phase/Tach
GND_C
5V
+
634 2
3
-
8
VCC
5V
+
634 2
3
-
8
VCC
R79 1K
7
U6
EN 6
6N137_DP
IC, OPTOCOUPLER
5
GND
320003987
DIP8
C27 0.1UF
R77 1K
7
U5
EN 6
6N137_DP
IC, OPTOCOUPLER
5
GND
320003987
DIP8
C25 0.1UF
Appendix C: Wiring Diagrams and Pin Assignments
BIPHA
XREF=13
GND
BIPHB
XREF=13
GND
87