7.Electrical Interface
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 19
TRIGIN_F_DELAY
TRIGIN_R_DELAY
2V
0.8V
LINE0+
INPUT0
Figure 7-4 Parameter of opto-isolated input circuit
⚫
Rising time delay (TRIGIN_R_DELAY): the time required for the response to the decrease to 0.8V of
INPUT0 from 50% rising of LINE0+
⚫
Falling time delay (TRIGIN_F_DELAY): the time required for the response to the rise to 2V of INPUT0
from 50% falling of LINE0+
7.3.1.2.
Line2 (Bidirectional) Circuit
1
4
3
2
1.8V
INPUT2
OUTPUT2
33
ΩPTC
Figure 7-5 Line2 (bidirectional) circuit
7.3.1.2.1.
Line2 is Configured as Input
⚫
When Line2 is configured as input, the internal equivalent circuit of camera is shown in Figure 7-6
