INSTALLING THE SD17060E
ADVANCED MICRO CONTROLS INC.
4
38
I/O Wiring
Input Wiring
Figure 4.4 below shows how to wire discrete DC differential, sourcing, and sinking sensors to Inputs 1, 2, and
3 of the SD17060E. Encoders typically have differential outputs, but must be wired to the SD17060E in a
specific way. More information on wiring an encoder is given later.
Input Specifications:
Differential. 1500 Vac/dc opto-isolated.
Can be wired as single ended inputs.
Accepts 3.5 to 27Vdc without the need for
an external current limiting resistor.
Because they are low power signals,
cabling from the sensor to the SD17060E
should be done using a twisted pair cable
with an overall shield. The shield should be
grounded at the end when the signal is gen-
erated, which is the sensor end. If this is
not practical, the shield should be grounded
to the same ground bus as the SD17060E.
Figure 4.4 Input Wiring
+5Vdc to +24Vdc
Isolated Power
Supply
Can use the
same supply to
power all inputs.
Grounding Strap maybe
required by local safety
codes.
CABLE SHIELD
SINKING
SENSOR
+
OUT
–
DC Sinking Sensor
DC Sourcing Sensor
+5Vdc to +24Vdc
Isolated Power
Supply
Can use the
same supply to
power all inputs
Grounding Strap maybe
required by local safety
codes.
INPUT "n" +
CABLE SHIELD
SD17060E INPUT
CONNECTOR
SENSOR POWER
Run a seperate wire from the power supply
to each sensor. Do Not daisy chain power
from one sensor to the next.
GROUND THE SHIELD OF THE SENSOR CABLE
1) Ground only one end of shield
2) Shield is usually grounded where the signal is generated. If a good quality
earth ground connection is not available at the sensor, the shield can be
grounded to the same Ground Bus as the SD17060E.
SOURCING
SENSOR
+
OUT
–
INPUT "n" –
SENSOR POWER
Run a seperate wire from the power supply
to each sensor. Do Not daisy chain power
from one sensor to the next.
INPUT "n" +
SD17060E INPUT
CONNECTOR
INPUT "n" –
GROUND THE SHIELD OF THE SENSOR CABLE
1) Ground only one end of shield
2) Shield is usually grounded where the signal is generated. If a good quality
earth ground connection is not available at the sensor, the shield can be
grounded to the same Ground Bus as the SD17060E.
DC Differential Sensor
+5Vdc to +24Vdc
Isolated Power
Supply
Can use the
same supply to
power all inputs
Grounding Strap maybe
required by local safety
codes.
INPUT "n" +
CABLE SHIELD
SD17060E INPUT
CONNECTOR
SENSOR POWER
Run a seperate wire from the power supply
to each sensor. Do Not daisy chain power
from one sensor to the next.
GROUND THE SHIELD OF THE SENSOR CABLE
1) Ground only one end of shield
2) Shield is usually grounded where the signal is generated. If a good quality
earth ground connection is not available at the sensor, the shield can be
grounded to the same Ground Bus as the SD17060E.
SOURCING
SENSOR
+
OUT+
–
INPUT "n" –
OUT–
Input
Optocoupler
+IN
–IN
Figure 4.5 Simplified Input Schematic
