BEI Sensors MHK5 Absolute Hollow Shaft Encoder - Manual (Page 75)

Version 07/10 BEI Sensors CANopen Manual serie M 75
SDO Communication object, with a low priority for messaging (configuration, error
handling, diagnostics). Slave Bus node that sends data at the request of the master.
The encoders are always slaves.
W
WO Write Only: Parameter that is only accessible in write mode.