KEYENCE DL-DN1 - Manual (Page 13)

1-1 DL-DN1 Overview
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- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (GT2) -
The DL-DN1 can connect to multiple sensor amplifiers (a single main unit and multiple
expansion units) which support D-Bus. "D-bus" is the name of KEYENCE's wiring-
saving system for sensor amplifiers.
Different types of sensor amplifiers with D-bus support can be connected to a single
DL-DN1 unit.
How many and what types of sensor amplifiers can be connected depends on the
sensor amplifiers or units to be connected. Please inquire for details.