Figure 4-7 Input Equivalent Schematic - Novanta vi30 User Manual

DB-9 I/O CONNECTIONS
Input Signals
PWM Positive Input
Laser Enable
Important Note: Do not apply a Laser Enable signal until the OEM vi30/40's internal +5 VDC
power supply has stabilized (approximately 200 ms after DC power-up).

Figure 4-7 Input equivalent schematic.

Table 4-6 DB-9 input circuit specifications.
High-speed optoisolator LED, forward voltage drop (Vf) 1.5 VDC
Off state Vmax +0.8 VDC
On state Vmin +3.5 VDC @ 5 mA
On state (continuous) Vmax +6.7 VDC @ 10 mA
Frequency, max. 100 kHz
5V logic input buffer
Off state Vmax +0.8 VDC
On state Vmin +2.0 VDC @ 0.2 mA
On state (continuous) Vmax +5.0 VDC @ 0.5 mA
Input device type and specifications
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