HikRobot X86 Open Platform Quick Start Manual page 11

The device has 3 opto inputs, and 3 opto outputs.
 I/O interface input wiring method is shown in Figure 1-5. Input voltage ranges from 5
VDC to 30 VDC.
If the input device is NPN signal (suspended or power negative), IN_COM should be
connected with input device power positive, and signal line with corresponding input
interface.
If the input device is PNP signal (suspended or power positive), IN_COM should be
connected with input device power negative, and signal line with corresponding input
interface.
 I/O interface output is open-circuit output, as shown in Figure 1-6. Input voltage ranges
from 5 VDC to 30 VDC. Current cannot exceed 200 mA.
If the output device is NPN signal (suspended or power negative), OUT_COM should be
connected with input device power positive, and signal line with corresponding input
interface.
If the output device is PNP signal (suspended or power positive), the OUT_COM should be
connected with input device power negative, and signal line with corresponding input
interface.
Do not directly connect with inductive load (e.g. relay, DC motor, etc.) when outputting.
X86 Open Platform
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Figure 1-5 I/O Input Wiring
Figure 1-6 I/O Output Wiring
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Quick Start Guide