beautypg.com

53 digital i/o connections, Toshiba – Toshiba LF494 User Manual

Page 28

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

background image

TOSHIBA

6 F 8 A 0 7 7 4

53 Digital I/O Connections

Digital I/O icrmmEils cottsiM ol conlact oulpul lerniiiials (jilatidard DOl

Eind

optional

D02), voJlage signal input terminal (Dl, opcioiial), and signal common terminal {COM).

Hach terminal (DOl, D02 and DI) is isolated from internal circuits. Terminal (COM) is

the signal common for the other three terminals {DOl, DOl and DI).

Functions can be assigned for each xnninal with Ihe LCD control keys (option). See

Chapter 10, ‘‘Digital I/O Functions/

To connect an electromagnetic relay ot counter lo the contact output tcrrtiinal (DOl or 1>02)^

put a surge-absorbing diode into the input circuil of the relay or counter. See Figure 5.3 for

an example of electromagnetic counter connection,

Note I: Use a surge-absorbing diode of the rating: current rating lAand voltage rating

200 V minimum.

Note 2: The Solidstaie relay, photo-coupler and resistor are not provided for the standard

model (the one whth no digital I/O specifications). l.eavc the terminals for D

0 2

and

Dl open.

Figure 5.3 Electromagnetic Counter Connection Exntnple

-

2 7 -

This manual is related to the following products: