Omega OME-A822PG manual Digital I/O, CN2

2.5 Digital I/O

The OME-A-822PGL/PGH provides 16 digital input channels and 16 digital output channels. All levels are TTL compatible. The connection diagram and block diagram are given below:

	Output Latch Register
Base+D	Latch	CN2
D0..D7	D0..D7	1..8	TTL	DI
Power on	Reset	17..18		DGND
reset	Reset	DGND
	D8..D15	9..16
Base+E	Latch			External
	Output Latch Register			Device
	OME-A-822PGL/PGH

	Input Buffer Register	OME-A-822PGL/PGH
Base+6	Read	CN1
D0..D7	D0..D7	1..8	TTL
	D8..D15	17..18
		DGND
Base+7	Read	9..16
	Input Buffer Register

DO

DGND

External

Device

OME-A-822PGL/PGH Hardware Manual ---- 25