Strobe
A20 Hardware Guide
Datalogic Automation Inc.
5-6
Complete this worksheet to document A20 I/O wiring connections for the optional Unterminated I/O cable. See “Terminal
Block Connection Table” on page 5-3 for details about connecting the optional Terminal Block.
*IMPORTANT NOTE: The power connection terminal numbers for the Terminal Block and the Unterminated cable wire
numbers are not the same. Use caution when connecting power.
Strobe
The strobe output signal is provided on pins 7 and 8 of the camera’s I/O connector. These pins provide optically isolated,
current-mode signals (300mA maximum continuous DC current at 20° C (68° F) – derated at higher temperatures).
Micro D Sub
Connector Pin
Signal Name
Wire Color
External Signal Description
1
2
Trigger Input +
Trigger Input -
White/Brown
Brown/White
3
4
Input 1 and Shift Event+
Input 1 and Shift Event -
White/
Orange
5
6
Input 2 and Event Input +
Input 2 and Event Input -
White/Yellow
Yellow/White
7
8
Strobe
Strobe Output -
White/Green
Green/White
9
10
Output 1 +
Output 1 -
White/Blue
Blue/White
11
12
Output 2 +
Output 2 -
White/Violet
Violet/White
13
14
Output 3 +
Output 3 -
White/Grey
Grey/White
15
16
Output 4 +
Output 4 -
White/Pink
Pink/White
17
18
24 VDC Power + (See Note*)
24 VDC Power +
White/Tan
Tan/White
19
20
24 VDC Power -
24 VDC Power -
Tan/Brown
Brown/Tan
21
22
24 VDC Power Ground
24 VDC Power Ground
Tan/Orange
Orange/Tan
23
24
Serial Transmit
Serial Receive
Serial Ground
Tan/Yellow
Yellow/Tan
