KEYENCE DL-DN1 - Manual (Page 12)

1-2
1
Be
fo
re
U
s
in
g
- DeviceNet Compatible Network Unit DL-DN1 User’s Manual (SK-1000) -
1-1
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
Number of Connectable Sensor Amplifiers
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.
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
Name Amplifier form Main unit
Expansion
unit
Maximum number of
connectable units
SK-1000
Series DIN rail
mounting type
SK-1000 SK-1050
8
(1 main unit, 7 expansion units)