This is how the VDOT32 looks in /online_dir/online.xml:
<device> <name>exp_ireg01</name> <type>input_register</type> <module>vdot32in</module> <device>p99/vdot32/exp.in01</device> <control>tango</control> <hostname>haspp99:10000</hostname> </device> <device> <name>exp_ireg02</name> <type>input_register</type> <module>vdot32in</module> <device>p99/vdot32/exp.in02</device> <control>tango</control> <hostname>haspp99:10000</hostname> </device> <device> <name>exp_ireg03</name> <type>input_register</type> <module>vdot32in</module> <device>p99/vdot32/exp.in03</device> <control>tango</control> <hostname>haspp99:10000</hostname> </device> <device> <name>exp_oreg01</name> <type>output_register</type> <module>vdot32out</module> <device>p99/vdot32/exp.out01</device> <control>tango</control> <hostname>haspp99:10000</hostname> </device>
The properties:
VDOT32 PETRA-3 VDOT32 p99/vdot32/exp.in01 Properties: Base: 2688 Channel: 1 isInput: True SimulationMode: 0 p99/vdot32/exp.in02 Properties: Base: 2688 Channel: 2 isInput: True SimulationMode: 0 p99/vdot32/exp.in03 Properties: Base: 2688 Channel: 3 isInput: True SimulationMode: 0 p99/vdot32/exp.out03 Properties: Base: 2688 Channel: 0 isInput: False SimulationMode: 0
This is the typical configuration: channel 0: output, channel 1-3 input.