Node('PPMS.psi.ch', 'PPMS at PSI', interface='tcp://5000', ) Mod('mf', 'frappy_psi.ppms.Field', description='magnetic field', io='ppms', ) Mod('ppms', 'frappy_psi.ppms.Main', description='the main and poller module', class_id='QD.MULTIVU.PPMS.1', pollinterval=2.0, )