Omega Engineering OME-A8111 manual Digital I/O, CN3

2.5 Digital I/O

The OME-A-8111 provides 16 digital input channels and 16 digital output channels. All levels are TTL compatible. The connections diagram and block diagram are given below:

	Output Latch Register
Base+D	Read	CN3
D0...D7		1...8	TTL	DO
	D0...D7	17...18		DGND
	D8...D15	DGND
		9...16
				OME-DB-16R
Base+E	Read			16-Channel Isolated
	Output Latch Register			Input Board
				(Option)
		OME-A-8111

Input Buffer Register

Base+6

Read

D0...D7

D0...D7

D8...D15

Base+7 Read

Input Buffer Register

OME-A-8111

CN2

1...8

17...18

DGND

Strobe 20

9...16

TTL DI

DGND

OME-DB-16P

16-Channel Isolated

Input Board

(Option)

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003) 19