
Page 20
Appendix B
Wiring Diagrams
Connector Pin Configuration
!
!5
!'
!
O.P.S. 15P D-SUB
P
5 Volts
0 Volts
Electrically conductive mechanical
connection (as supplied by MicroE
Systems).
POWER
SUPPLY
INNER SHIELD:
Insulated from outer shield, sensor case, and
connector housing. Connected to circuit common
internally as supplied by MicroE Systems
OUTER SHIELD: Connected to
sensor and connector housing
5 Volts
0 Volts
POWER
SUPPLY
Grounding Considerations
Sensor mounted with good electrical contact to well grounded surface (preferred):
Sensor mounted to poorly grounded or non-conducting surface:
N
OTE:
GN
D
a
n
d
I
N
N
ER
SH
I
EL
D
AR
E I
N
TER
N
AL
LY C
ON
N
EC
TED
.
Max cable length: 5m. Contact MicroE Applications Engineering if longer length required.
Recommended Signal Termination
Cable Zo=
120 W
OPS Series
Encoder
Customer
Electronics
120
W
+
-
Digital Outputs:
A, B, I
A, B, I
Standard RS-422 Line Receiver Circuitry
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