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Tibbo Project System (TPS)
© Tibbo Technology Inc.
7.2.9.10
#04-3, M1S: Three Isolated Inputs, Common (+)
Function:
Three optically isolated inputs with common (+). Inputs are fully isolated
from system ground.
Category:
Input module
Special needs:
---
Power requirements:
5V/35mA
Mates with:
See also:
,
Details
If no external resistor is added these inputs activate at about 2V. Forward current
should not exceed 10mA, and this caps the maximum input voltage at around 5V.
Add external resistors if you need to apply higher input voltage.
Combine this Tibbit with terminal block devices –
(nine terminal blocks) or
(four terminal blocks).
LEDs
There are three green LEDs which are connected to three control lines. LEDs light
up for the LOW state of control lines (i.e. when current passes through the diodes
of the opto-couples).