KEYENCE DL-DN1 - Manual (Page 12)

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- DeviceNet Compatible Network Unit DL-DN1 User's Manual -
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DL-DN1 Overview
The DL-DN1 operates as a slave unit of DeviceNet communication. Using DeviceNet
communications, the sensor amplifiers and other units connected to the DL-DN1 can
transmit their ON/OFF control signals and current values as communication data to a
PLC or other equipment.
The DL-DN1 supports DeviceNet I/O communication (polling) and explicit messaging.
I/O polling enables data communication without the need of a ladder program. Explicit
messaging allows for reading/writing sensor amplifier parameters and issuing motion
commands to the sensor amplifiers.
„System configuration example
The DL-DN1 can connect a maximum of 15 sensor amplifiers (main units and expan-
sion 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. For details, refer to the user's manual of
your sensor amplifiers and "Connecting with Sensor Amplifiers" (page 5-2) in this
manual.
Overview
D-bus compatible sensor amplifier
PLC or other host device
(DeviceNet master unit)
DL-DN1 (This unit)
DeviceNet slave unit
KV -DN20
MS
NS
ON
TERM.
Types and Number of Connectable Sensor Amplifiers