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OEM-AT6400 Installation Guide
General-Purpose Programmable Inputs & Outputs
INPUT PIN OUTS & SPECIFICATIONS
Pin #
Function
Internal Schematic
Specifications
36
+5 VDC
38
IN-P
Input Pullup
49
Input #1
(LSB)
51
Input #2
53
Input #3
55
Input #4
57
Input #5
59
Input #6
(MSB)
74HCxx
6.8 K
Ω
47 K
Ω
Input
Connection
Ground
Connection
+5VDC
IN-P
+5V
GND
OEM AT-6400
GND
GND
Pulled up to +5V
External Supply
(up to 24VDC)
+
–
HCMOS-compatible voltage levels
(low
≤
1.00V, high
≥
3.25V).
Voltage range = 0-24V.
Sourcing Current: Connect
IN-P
to
+5V
or to your own power supply of
up to 24VDC.
Sinking Current: Connect
IN-P
to
GND
.
STATUS: Check with the
TIN
status command.
Active level: Default is active low,
but can be changed to active high
with the
INLVL
command.
OUTPUT PIN OUTS & SPECIFICATIONS
Pin #
Function
Internal Schematic
Specifications
40
+5 VDC
42
OUT-P
Output Pullup
44
Output #1
(LSB)
46
Output #2
48
Output #3
50
Output #4
(MSB)
7406
4.7 K
Ω
Output
Connection
Ground
Connection
+5VDC
OUT-P
+5V
GND
Pulled up to +5V
OEM-AT6400
GND
GND
Open
Collector
GND
External Supply
(up to 24VDC)
+
–
Open collector output.
Pull-up connection for outputs.
Connect
OUT-P
to
+5V
, or to an
external supply of up to 24V.
Max. voltage in the OFF state (not
sinking current) = 24V, max. current
in the ON state (sinking) = 30mA.
STATUS: Check with the
TOUT
status command.
Active level: Default is active low,
but can be changed to active high
with the
OUTLVL
command.
NOTE:
LSB = least significant bit; MSB = most significant bit
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