Toshiba video game controller PROSEC T1 T1S Manual

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Toshiba video game controller PROSEC T1 T1S
6F3B0250
Basic Hardware and Function
63
3. I/O Application Precautions
(2) Minimum ON/OFF time of the input signal
The following conditions guarantee correct reading of the ON/OFF state of the input
signal:
Input ON time: ON delay time + the time for one scan
Input OFF time: OFF delay time + the time for one scan
The ON and OFF times of the input signals must be longer than these intervals.
(3) Increasing the contact current
The reliability of some contacts cannot be guaranteed by the specified input current. In
this case, install an external bleeder resistor to increase the contact current.
Note) The above solution cannot be applied to the T1-16 dry contact input.
(4) Connecting transistor output device
An example of connecting a transistor output device to T1/T1S’s input circuit is shown
below.
·
For NPN open collector
T1-16 dry contact input T1-28, T1-40 and T1-40S DC input
(current source)
·
For PNP open collector
T1-16 dry contact input T1-28, T1-40 and T1-40S DC input
(current sink)
n
V
T1
input
circuit
n
V
T1
input
circuit
+
T1
input
circuit
I
1
I
Bleeder resistor
R
V
I
2
R
V
II
Wattage
V
R
=
-
>´
1
2
3
n
C
V
T1
input
circuit
n
V
T1
input
circuit
C
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