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C l e a r L i n k H a r d w a r e M a n u a l / R e v . 1 . 0 0
1 3
T
EKNIC
,
I
NC
.
P H O N E ( 5 8 5 ) 7 8 4 - 7 4 5 4
I/O-0 through I/O-5 configured as DIGITAL INPUTS
Note: The wiring examples shown below also apply to all CCIO-8 I/O points
configured as digital inputs.
Input Equivalent Circuit
Typical Sensor Hookup Details
169k
10k
Vsupply (24V)
Vsupply (24V)
3V3
IN[NN]n
Digital “NPN”
Sensor
:
Proximity
Optical
Hall-Effect, etc.
G
S
BLK
BLU
BRN
Switch or Relay Contact
G
S
5V/3.3V Logic System
G
S
IMPORTANT:
Inputs are “negative true”:
On<~1.0V, Off>=~1.0V
G
S
“Ease of Use” Note: 5V Sensors
Before using 5VDC sensors, consider either
1) sourcing 24V alternatives, or 2) providing a
separate 5VDC supply to power your 5V
sensors.
*
*
Wire colors listed are typical of industrial sensors
Digital “PNP”
Sensor
:
Proximity
Optical
Hall-Effect
820 Ω
1 Watt
330 Ω
1/2 Watt
BLK *
BLU
BRN
G
S
Gnd
*
Wire colors shown are
typical of industrial sensors
● Resistors sized for 24VDC supply voltage
● External resistors not included