DDE Poke problem

Guys-

      We have been using 4J's 3.2 and RSLinx DDE to communicate with
Allen-Bradley PLC 5's for several years.  We have recently installed a
couple of Allen-Bradley ControlLogix PLC's, but we are having difficulty
talking to them.

 

Here is a scrap of our DDE code:

 

        CALL DDEPoke(linksrvr clipped, linktopic clipped,

          linkitem1 clipped, trlyval)

               RETURNING linkstat

        IF NOT linkstat THEN

            CALL DDEGeterror() RETURNING errmsg

            LET string = "echo \"", errmsg clipped, " >> test.file"

            RUN string

        END IF

 

Linksrvr = "RSLinx"

Linktopic = "Staging" (this is a valid DDE tag we can use with visual
basic)

Linkitem1 = "PreFab_Trolley_ID[0]"

Trlyval = 161685 (a trolley ID)

 

When the DDEPoke executes, it returns this message in errmsg:

 

"invalid command name \"0\"

 

Has anyone seen this and possibly have a workaround for it?  

 

                              --EEM

 

                      Everett E. Mills

                      Systems Administrator/Programmer

                      National Beef Packing Co., LLC.

                      P. O. Box 539

                      Dodge City, KS 67801-0539

 

                      Voice: (620)338-4288

                      Fax: (620)338-4335

                      E-Mail: [email protected]