7.Electrical Interface
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 82
7.3.1.3.
ME2S Series
ME2S Series I/O port is implemented by 6-pin Hirose connector (No. HR10A-7R-6PB(73)), and the
corresponding plug is HR10A-7P-6S(73).
Diagram
Pin
Definition
Description
1
POWER_IN
Camera external power, +12VDC(-10%)~+24VDC(+10%)
2
Line0+
Opto-isolated input+
3
Line2
GPIO input/output
4
Line1+
Opto-isolated
5
Line0/1-
Line0-: Opto-isolated input -; Line1-:Opto-isolated output -
6
GND
PWR GND & GPIO GND
Table 7-5 I/O port definition (back sight of camera)
The polarity of GPIO pins cannot be reversed, otherwise, camera or other peripherals could burn out.
7.3.2.
I/O Electrical Features
The MER2/ME2P/ME2L/ME2S cameras have different available I/O (MER2/ME2P/ME2L: 8-pin connector,
ME2S: 6-pin connector), see details in 7.3.1.I/O Connector Pin Definition. I/O with the same signal
definition are also have the same electrical features.
7.3.2.1.
Line0 (Opto-isolated Input) Circuit
Hardware schematics of opto-isolated input circuit is shown as Figure 7-1.
8
5
1
4
3
7
2
6
3.3V
Line0+
Line0-
INPUT0
External Circuit
5V-24V
Camera internal circuit
Figure 7-1 Opto-isolated input circuit (MER2/ME2P/ME2L)