open_valve()

set_pol_cplus(offset = -8)
set_file('Er_hyst_plus')
hyst_cont(field_x, 6.5, -6.5, 2.0, [1401.8, 1389.4])

set_pol_cplus(offset = -8)
set_file('Er_hyst_plus')
hyst_cont(field_x, -6.5, 6.5, 2.0, [1401.8, 1389.4])

set_pol_cminus(offset = -2)
set_file('Er_hyst_minus')
hyst_cont(field_x, 6.5, -6.5, 2.0, [1401.8, 1389.4])

set_pol_cminus(offset = -2)
set_file('Er_hyst_minus')
hyst_cont(field_x, -6.5, 6.5, 2.0, [1401.8, 1389.4])




set_pol_cplus(offset = -8)
set_file('Er_hyst_plus')
hyst_cont(field_x, 6.5, -6.5, 2.0, [1401.8, 1389.4])

set_pol_cplus(offset = -8)
set_file('Er_hyst_plus')
hyst_cont(field_x, -6.5, 6.5, 2.0, [1401.8, 1389.4])

set_pol_cminus(offset = -2)
set_file('Er_hyst_minus')
hyst_cont(field_x, 6.5, -6.5, 2.0, [1401.8, 1389.4])

set_pol_cminus(offset = -2)
set_file('Er_hyst_minus')
hyst_cont(field_x, -6.5, 6.5, 2.0, [1401.8, 1389.4])



close_valve()