xiX - Technical Manual Version 1.3
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3.10.2.3.
Optically isolated Digital Output – Internal schematic
Following scheme is the internal scheme of the Digital Output signal flow inside the camera.
figure 3-51, digital output, interface schematic
Output Transfer Characteristic
When Output is in On state - typical transfer characteristic of output is as on following figure:
figure 3-52, digital output transfer characteristics
3.10.2.4.
Digital Output – Wiring
Digital output has an open collector switching transistor with common IO Ground. In most cases a power source for external
device must be provided.
3.10.2.4.1.
Connecting Digital OUTPUT to a NPN-compatible PLC device input (biased)
Output state
Output switch state
Input state
ON
Sourcing
current
Pull
up
(energized)
OFF
Relaxing
Not energized
PTC Fuse
FPGA_OUTPUT
GND
10
K
1K
DIGITAL OUTPUT
GND (Common IO Ground)
Idrive=2mA
I
LOA D
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
5
10
15
20
25
30
V
OUTPUT
(V)
I
OUTPUT
(mA)
Output Transfer Characteristic (Receptacle)
