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Encoder Hardware Manual

DI/DO Connection Specifications

The table below shows the DI/DO connection specifications:

Device

Connection design

TTL - compatible logic levels

Voltage

To trigger (low)

Logic level 0: 0V ~ 0.4V

Normal (high)

Logic level 1: 3.1V ~ 30V

Current

10mA ~ 100mA

Connection design

Transistor (Open Collector)

Voltage & Current

< 24V DC, < 50mA

Typical Connection

Based on these specifications, if the DI device has a voltage of 0V ~ 30V or the DO device has a

voltage of < 24V (< 50mA), then the encoder can supply internal power to these devices and

there is no need to connect the DI/DO device to an external power source.

Use the GND and DI pins to connect a DI device and use the DIO and 12V pins to connect a DO

device. See wiring scheme below:

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 31 32

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Acti V21 Manual de usuario Pagina 20