GE Series 90-70 manual Module Description, LEDs

1

Module Description

AnI/O Link Interface Module occupies one module slot in a Series 90±70 PLC rack. It can be installed in any rack, in any slot except rack 0 slot 1, which is reserved for the CPU Module.

MODULE OK
LINK ACTIVE
LINK CFG
RESET
PUSHBUTTON	MODEL 70
	BEM 721
	MODULE OK
	LINK ACTIVE
	LINK CFG
	ON OR BLIN K = OK
	PUSH TO RESET
	I/O LINK
	INTERFACE
	MODULE FUNCTION
	SERIES 90±70
	SERIAL I/O LINK
	INTERFACE
	: MASTER MODE
	RS±422/485
	SERIAL PORT
RS±422/485
CONNECTOR
	NEXT
	(JD1A)
	RS±422/485
	SERIAL PORT
RS±422/485
CONNECTOR
	NOT
	USED
	MODULE
	IC697BEM721
	LABEL
	44A726758±125R01

a45015

MODEL 70

BEM 721

MODULE OK

LINK ACTIVE

LINK CFG

ON OR BLIN K = OK

PUSH TO RESET

I/O LINK

INTERFACE

MODULE FUNCTION

SERIES 90±70

SERIAL I/O LINK

INTERFACE

: MASTER MODE

: SLAVE MODE

RS±422/485

SERIAL PORT

NEXT

(JD1A)

PREVIOUS

(JD1A)

RS±422/485

SERIAL PORT

NOT

USED

NEXT

(JD1A)

MODULE

IC697BEM721

LABEL

44A726758±126R01

LEDs

The I/O Link Interface Module has three LEDS that show its operating, configuration, and communications status.

Module OK: indicates the module's operating status.

Link Active: indicates the module's communications status.

Link Cfg: indicates whether I/O Link configuration has occurred.

4 Series 90t-70 I/O Link Interface Module User's Manual ± February 1993 GFK-0644A