5. Each Component Function
72
User’s Manual
General-purpose I/O and Remote Reset
The BOX-PC is equipped with three general-purpose isolated signals each for input
and output. The input signals can also be used for interrupt input or remote reset input.
Specifications
[ Input ]
- Input specifications
: Current-driven input by Optocoupler isolation.
- Input resistance
: 4.7k
Ω
- Input signal count
: 3 [One of them can be used for remote reset and
interrupt input. (bit2<fixed>)]
- Input protection circuit
: Equipped with a reverse-connection protection
diode
- Input response time
: Less than 100
μ
sec
- External circuit power supply: 12 - 24VDC (±10%)
[ Output ]
- Output specifications
: Open-collector output by Optocoupler isolation
- Output rating
: Max. 30VDC, 100mA
- Output signal count
: 3 [One of them can be used for WDT alarm output.
(bit2<fixed>)]
- Output response time
: Less than 300
μ
sec
[ Common ]
- I/O addresses
4000h and 4001h
How to Use General-purpose I/O and Remote Reset
Output data to port 4001h to set PI0, PI2 or PO2 mode.
...
Event output
control
Implement input and output with port 4000h.
...
I/O
Figure 5.11.
How to Use General-purpose I/O and Remote Reset
