H

09Ð12Ð95

13:21

 

 

GE FANUC SERIES 90Ð70 (v6.01)

Page

9

<< RUNG 19 >>

 

 

 

 

 

 

 

 

 

 

 

 

 

ALW_ON

 

 

 

 

 

 

 

%S00007

+ÐÐÐÐÐ+

 

 

 

 

 

+ÐÐ] [ÐÐÐ+ NE_

 

 

 

 

 

INT

 

 

 

 

 

 

 

 

 

 

WT_CRSW

 

+ÐÐÐÐÐ+

 

 

%R00002Ð+I1 Q+ÐÐÐÐÐÐÐÐÐ+ NE_ +Ð

 

 

 

INT

 

 

 

WRT_ERR

WT_CRSW

%T00006

CONST Ð+I2

%R00002Ð+I1

Q+ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐ(S)ÐÐ

+00000 +ÐÐÐÐÐ+

 

 

 

 

 

 

 

 

 

 

CONST Ð+I2

 

 

 

 

+00001

+ÐÐÐÐÐ+

 

 

 

 

 

 

 

 

 

(****************************************************************************)

(* If RD_OK, fire oneÐshot DO_WRT to execute next Write Channel Command. *) (* If WRT_OK, fire oneÐshot DO_READ to execute next Read Channel Command. *)

(*

This interlock allows the ladder to alternate between read and write

*)

(*

COMREQs.

*)

(****************************************************************************)

<< RUNG 21 >>

 

 

RD_OK

DO_WRT

%T00002

%T00009

+ÐÐ] [ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ(^)ÐÐ

<< RUNG 22 >>

 

 

WRT_OK

DO_READ

%T00005

%T00008

+ÐÐ] [ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ(^)ÐÐ

(****************************************************************************) (* If LANIFOK transitions from 0Ð>1, restart read/write logic. This should *)

(*

only happen if the Ethernet Controller intiating communciations is

*)

(*

restarted.

*)

(****************************************************************************)

 

<< RUNG 24 >>

 

 

LANIFOK

RESTART

%I00048

%T00010

+ÐÐ] [ÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÈÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐÐ(^)ÐÐ

(****************************************************************************)

(*

If an error is

detected

in a

read

or write, toggle bits to restart

*)

(*

read or write.

This is

done

on a

oneÐshot basis.

*)

(****************************************************************************)

 

 

 

Program: LANRDWR

A:\LANRDWR

Block: _MAIN

H-10

TCP/IP Ethernet Communications User's Manual ± January 1996

GFK-1004B

Page 258
Image 258
GE GFK-1004B user manual INT Wtcrsw