1 2
OEM-AT6400 Installation Guide
OUTPUT CONNECTIONS –
for electronic devices such as PLCs
Connection to a Sinking Input (active high)
Connection to a Sourcing Input (active low)
Electronic
Device
Output
Connection
Ground
Connection
Input
Ground
OUT-P
+5V
GND
OEM-AT6400
7406
4.7 K
Ω
+5VDC
GND
GND
External Supply
(up to 24VDC)
+
–
(open collector)
NOTE: It is not necessary to use the OUT-P pin for a sourcing input.
Electronic
Device
Output
Connection
Ground
Connection
Input
Ground
OUT-P
+5V
GND
OEM-AT6400
7406
4.7 K
Ω
+5VDC
GND
GND
External Supply
(up to 24VDC)
+
–
(open collector)
V+
Connection to a Combination of Sinking & Sourcing Inputs
Combinations of sourcing
and sinking inputs can be
accommodated at the same
voltage level. Be aware of
the input impedance of the
sourcing input module, and
make sure that there is
enough current flowing
through the input module
while in parallel with the
OUT-P pull-up resistor.
Electronic
Devices
Output 1
Input
Ground
OUT-P
+5V
GND
OEM-AT6400
7406
4.7 K
Ω
+5VDC
GND
External Supply
(up to 24VDC)
+
–
(open collector)
V+
Output 2
Ground
Connection
Input
Ground
7406
4.7 K
Ω
GND
(open collector)
Sourcing Input
Sinking Input
Connection to an Inductive Load (active low)
Output
Connection
OUT-P
+5V
GND
OEM-AT6400
7406
4.7 K
Ω
+5VDC
GND
External Supply
(up to 24VDC)
+
–
(open collector)
Use an external diode when driving
inductive loads. Connect the diode
in parallel to the inductive load,
attaching the anode to the OEM-
AT6400 output and the cathode to
the supply voltage of the inductive
load.
PROGRAMMING TIP
Connecting to an active-high
sinking input? Set the output's
active level to high with the
OUTLVL
command (
1
= active high).
Connecting to an active-low
sourcing input? Set the output's
active level to low with the
OUTLVL
command (
Ø
= active low).
Thus, when the OEM-AT6400's
output is activated, current will flow
through the attached input and the
TOUT
status command will report a
“
1
” (indicates that the output is
active), regardless of the type of
input that is connected.
Details on setting the active level
and checking the output status are
provided in the
6000 Series
Programmer's Guide. Refer also to
the
OUTLVL
and
TOUT
command
descriptions in the
6000 Series
Software Reference Guide.
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