These motors are introduced to Online by adding the following lines to /online_dir/online.xml:
<device>
<name>mi_hyd_1</name>
<type>stepping_motor</type>
<module>smchydra</module>
<device>p23/hydramotor/exp.01</device>
<control>tango</control>
<hostname>haspp23:10000</hostname>
</device>