Cheetah Python Camera with USB3 Interface
–
User Manual
December 5, 2017
Page
17
of
78
Rev 1.0
Figure 6: IN1 electrical connection
B. Input IN 2 LVTTL
Input signals IN2 and IN2 Rtn provide interfaces to a TTL or LVTTL input signal. The signal
level (voltage difference between the inputs IN2 and IN2 Rtn)
must
be
LVTTL (3.3 volts) or
TTL (5.0 volts). The total maximum input current
must not
exceed 2.0 mA.
Figure 7: IN2 electrical connection.
C. Output OUT 1 LVTTL
Output OUT1 is a 5v TTL (5.0 Volts) compatible signal and the maximum output current
must not
exceed 8 mA.
Figure 8: OUT1 LVTTL electrical connection.
D. Output OUT 2
–
Solid state relay, optically isolated
Output OUT2 is an optically isolated switch. There is no pull-up voltage on either contact.
External pull-up voltage of up to 25 volts is required for operation. Output is not polarity
sensitive. AC or DC loads are possible. The voltage across OUT2 Contact 1 and OUT2
Contact 2
must not
exceed 25 volts and the current through the switch
must not
exceed
50 mA. On resistance is less than 5 Ohms.
