C
L E A R
P
A T H
U
S E R
M
A N U A L
R
E V
.
1 . 9 7
2 3
C
ONNECTING
D
IGITAL
O
UTPUTS TO
C
LEAR
P
ATH
I
NPUTS
ClearPath inputs are compatible with standard digital output formats
including open collector transistor, and driven outputs from PLCs,
sensors, signal generators, microcontrollers and more.
Required: install 1k resistor on
output side for cable runs > 10 feet.
(Recommended for all applications.)
1k
IN
+
IN
-
Current
Limiter
+V
IN
+
IN
-
Current
Limiter
+V
IN
+
IN
-
Current
Limiter
NPN / Sinking
“Open Collector”
PNP / Sourcing
1k
IN
+
IN
-
Current
Limiter
+V
Signal
Signal
Sourcing
Sinking
Signal low = Input asserted
Signal high = Input asserted
ClearPath Input
ClearPath Input
ClearPath Input
ClearPath Input
Transistor Outputs
Driven Outputs, Single-Ended
Interfacing digital outputs to ClearPath Inputs
Engineer’s Note: 5V differential outputs are not directly compatible
with ClearPath I/O.
T
EKNIC
,
I
NC
.
F
AX
(585)784-7460
V
OICE
(585)784-7454
