scan_complete=False
scan_result = None

def check_end_scan(record, scan):    
    global scan_complete, scan_result
    if record.index>=50:
        print "Data aquisition completed"
        scan.abort()
        scan_complete=True
        record.cancel()   
        scan_result = scan.result 
    elif (record.index>0) and (record.index % 10 == 0):
        #get_context().dataManager.splitScanData(scan)
        set_exec_pars(split=scan)


xxx=None
def do_scan():
    global scan_complete, scan_result
    scan_complete=False
    try:            
        mscan (sin, [sin,arr], -1, -1, after_read = check_end_scan)       
    except:        
        if not scan_complete:
            raise
    return scan_result


set_exec_pars(group="x_{count}", layout = "SF", reset=True);
#set_exec_pars(group="x_{count}", tag = "scan 1", reset=True);

#set_exec_pars(layout = "Table");

r1 =do_scan()

#set_exec_pars(group="y_{count}", reset=True)
#r2 = do_scan()