Sharp CP-SR421 Manuale Utente Scaricare il pdf (Pagina 68)

100

101

3. SIGNALS AND WIRING

3 - 27

3.8.2 Detailed description of interfaces

This section provides the details of the I/O signal interfaces (refer to the I/O division in the table) given in

section 3.5. Refer to this section and make connection with the external device.

(1) Digital input interface DI-1

Turn on/off the input signal with a relay or open collector transistor. The following is a connection

diagram for sink input. Refer to section 3.8.3 for source input.

Approximately

6.2 k

Approximately

5 mA

CES

ื 1.0 V

CEOื 100 μA

24 V DC ± 10%

300 mA

Switch

For transistor

EM2,

etc.

Servo amplifier

DICOM

(2) Digital output interface DO-1

A lamp, relay or photocoupler can be driven. Install a diode (D) for an inductive load, or install an inrush

current suppressing resistor (R) for a lamp load.

(Rated current: 40 mA or less, maximum current: 50 mA or less, inrush current: 100 mA or less) A

maximum of 2.6 V voltage drop occurs in the servo amplifier.

The following is a connection diagram for sink output. Refer to section 3.8.3 for source output.

(Note) 24 V DC ± 10%

300 mA

If polarity of diode is

reversed, servo amplifier

will malfunction.

Servo amplifie

ALM,

etc.

Load

DOCOM

Note. If the voltage drop (maximum of 2.6 V) interferes with the relay operation, apply high

voltage (maximum of 26.4 V) from external source.

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Sharp CP-SR421 Manuale Utente Pagina 68

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