1. H. Kleines 1, J. Sarkadi 1, K. Zwoll 1, F. Rathmann 2, H. Seyfarth 2, R.Engels 2, M. Mikirtytchiants 2, M. Nekipelov 2, A. Vassiliev 3, P. Kravtsov 3 1 Zentrallabor für Elektronik, Forschungszentrum Jülich, Germany 2 Institut für Kernphysik, Forschungszentrum Jülich, Germany 3 Petersburg Nuclear Physics Institute, St. Petersburg, Russia Implementation of the control system for a polarized gas target with the industrial SCADA system WinCC on a Windows/PC platform internal gas target for ANKE (COSY) polarized atomic beam(H oder D) dissociation by plasma discharge polarisation by inhomogenous fields integrated diagnostics (polarimeter,..) ~ 700 I/O points

2. Requirements –development productivity –stability –heterogenity –flexibility (working control system required during target development) Design decisions –PLCs for interlocks (S7) –Fieldbus: PROFIBUS DP –Computer: PC w. Windows NT –WinCC for the SCADA (Superivisory Control and Data Acquisition) System Graphics Designer Ventil geschlossen Klappe zu Motor ein anzahl () { float zae if wert > 0 { zae = zae + 1 } Archive for process values and alarms alarm system open interfaces: ODBC,DDE,OPC,OLE,.. Script API: ANSI C

3. PROFIBUS DP CONTROL COMPUTER GPIB (IEEE 488) GATEWAY RF Generator Keithley Multimeter (WinCC) Vacuum System + Safety System S7-300 ET200M Intensity device UDP HPT PROFIBUS DP S7-300 PIDs + Chopper Control Physics computer ET200M GATEWAY RF Transitions S7-300 PROFIBUS DP Polarimeter Tektronix Scope S7-300 Dissociator Temporary Lab Equipment S7-300