positions = [   ("pos_07",  18,    -4.2),  \
                ("pos_09",   2,    -4.2),  \
                ("pos_11", -14,    -4.2)    ] 
                
for pos in positions:
    caput("X10DA-ES1-MA1:TRX", pos[1])
    caput("X10DA-ES1-MA1:TRY", pos[2])
    set_exec_pars(name = pos[0], reset = True)
    run_fda("users/20201127_Vogelin/Fe_EXAFS_transmission.xml")