
Hardware
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INSPECTA hardware manual Rev 1.86 page 27
2.2.5.7 Assembly Drawing INSPECTA-4A, –4C, -4D Opto I/O
This is a detail of the assembly drawing of INSPECTA-4A, -4C, 4D, showing the components of
the optically insulated I/O-Port:
2.2.5.8 Opto-couplers, specifications:
Typ Current
transfer
ratio
Isolation
Voltage
Diode
Forward
Current
Diode
Reverse
Voltage
Transistor
Collector
Current
Transistor
Collector
Voltage
Band-
width
ILD30
Opto-Out
>100% 6000V 50 mA 3V 125mA
UCE 10V
30V -
HCPL2531
Opto-In
27% typ
19% min
2500V 16mA 5V TTL
level
3 Mhz
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