The boolean outputs have to be declared ( i.e. bool1 :BO0001; ) then in the seq, code it is referred to as bool1. From the sample code you've sent along you only to list the boolean variables in sequence in the code to accomplish what you have shown , if you need some time in between steps use the WAIT statement -----Original Message----- From: ZIEGLER, JOHN E [mailto:JEZIEGLER@xxxxxxxxxxxxx] Sent: Thursday, July 24, 2003 2:58 PM To: Foxboro Mailing List (E-mail) Subject: [foxboro] Sequence Block Help I need some help with sequence block coding. I want to turn on and off= several boolean outputs of a sequence code in order. =20 My first thought was to use a "FOR" loop, but I can't seem to address the= output correctly. Here is what I have tried so far. FOR j :=3D 1 TO 5 DO BO000j :=3D TRUE ; {Compiler says parameter 'BO000j' not= declared} BO000'j' :=3D TRUE ; {Complier says parameter 'BO000' not= declared} =20 stringvar :=3D j ; {stringvar is a variable defined as a= string variable} BO000'stringvar' :=3D TRUE ; {Compiler says parameter 'BO000' not= declared} ::.BO000'stringvar' :=3D TRUE ; {Compiles okay but give error 3 at run= time - secured variable} ENDFOR; Any help with this method or an alternative is very much appreciated. Jack Ziegler Sunoco Chemicals Frankford Phenol Plant Margaret & Bermuda Sts Philadelphia, PA 19137 215-537-2450 JEZiegler@xxxxxxxxxxxxx=20 This email and any files transmitted with it are intended solely for the= use of the individual or entity to whom they are addressed. If you have= received this e-mail in error, please notify the originator. _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave