HikRobot ID2000 Series - Set PC Environment

ID2000 Series Industrial Code Reader User Manual
32
External Voltage
Output Logic Level Low (VL)
12 VDC
500 mV
24 VDC
900 mV
6.2.3 Bi-directional I/O Circuit
The bi-directional signal in I/O signal can be use as input signal or output signal according
to demands. Its internal circuit is shown below.
Bi-directional I/O Signal
GPI
GPO
VCC
Figure 6-15 Internal Circuit of Bi-Directional Signal
Configured as Input Signal
Input Level High
Input Level Low
Internal Logic
50%
50%
50%
50%
TDF
TDF
Figure 6-16 Input Logic Level
Table 6-6 Input Electrical Feature
Parameter Name
Parameter Symbol
Value
Input Logic Level Low
VL
1 VDC
Input Logic Level High
VH
2 VDC
Input Falling Delay
TDF
200 ns
Input Rising Delay
TDR
1 μs