Screw Terminal Adapter for OpenLogger
SKU: 410‐388
Product Description
Screw terminals are a common and handy connection method for data logging. The Screw
Terminal Adapter provides screw terminal block access to the eight analog inputs, 8 digital
I/O, waveform generator, power supplies, and ground signals on the OpenLogger. The trigger
pins, prog, and reset signals are broken out into male pin headers. The Screw Terminal
Adapter is designed to attach on top of the OpenLogger so that the OpenLogger stays
compact, and can be used with the OpenLogger in it's acrylic case.
What's
Included:
Screw Terminal Adapter for OpenLogger
Custom Digilent protective packaging
OpenLogger Screw Terminal Adapter
The OpenLogger Screw Terminal Adapter is intended to be used with the Digilent OpenLogger
to provide external connections to the OpenLogger via screw terminal adapters for more readily
accessible inputs. The Screw Terminal Adapter connects directly on top of the OpenLogger to
maintain a small form factor.
Features
Standard Screw Terminal Adapters for easy connectivity
Designed to fit directly on top of the OpenLogger
Physical Dimensions
The long side of the Screw Terminal Adapter for the Openlogger is 2.838 inches (72.1 mm) and
the short side of the PCB is 2.2835 inches (58 mm) in length.
Functional Description
The OpenLogger Screw Terminal Adapter provides screw terminals for each analog input and
each digital pin, with an analog ground pin to pair with each analog input. A screw terminal pair
for the 5V power supply from the OpenLogger is available in the center of the board as well as
additional headers for access to a few of the OpenLogger specific pins.
Pinout Diagram
Primary connector
West Screw Terminals
North Screw Terminals
1
GPIO3
2
GPIO7
DC2
DC Output 2
DIO0
GPIO 0
3
GPIO2
4
GPIO6
GND
Digital Ground
DIO1
GPIO 1
5
GPIO1
6
GPIO5
DC1
DC Output 1
DIO2
GPIO 2
7
GPIO0
8
GPIO4
WGEN Waveform
Generator
DIO3
GPIO 3
Primary connector
West Screw Terminals
North Screw Terminals
9
DC 2
10 GND
AI8+
Analog Input 8
DIO4
GPIO 4
11
DC 1
12 GND
AGND
Analog Ground
DIO5
GPIO 5
13
Wavegen 14 GND
AI7+
Analog Input 7
DIO6
GPIO 6
15
Reserved 16 Reserved
AI6+
Analog Input 6
DIO7
GPIO 7
17
Reset
18 PROG
19
+5V
20 GND
AGND
Analog Ground
5V
5V Output
21
AI8+
22 AGND8
AI5+
Analog Input 5
GND
Digital Ground
23
AI7+
24 AGND7
AI4+
Analog Input 4
25
AI6+
26 AGND6
AGND
Analog Ground
TRG
OUT
Trigger Output (unused)
27
AI5+
28 AGND5
AI3+
Analog Input 3
TRG
IN
Trigger Input (unused)
29* AI4+
30 AGND4
AI2+
Analog Input 2
PROG Program Button
BTN
31* AI3+
32 AGND3
AGND
Analog Ground
RESET Reset Button
BTN
South Screw Terminals
Center Screw Terminals
Center Pin Headers
Primary connector
33
AI2+
34 AGND2
35
AI1+
36 AGND1
West Screw Terminals
AI1+
Analog Input 1
North Screw Terminals
GND
Digital Ground
*Note – pin 29 is mislabeled as pin 31 on the silkscreen in Rev A of the Screw Terminal Adapter
https://store.digilentinc.com/screw‐terminal‐adapter‐for‐openlogger/7‐16‐19
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