KEYENCE DL-EP1 User Manual
DANGER
WARNING
CAUTION
NOTICE
Important
Reference
CAUTION
NOTICE
96M11243
EtherNet/IP Compatible Network Unit
DL-EP1
Noise Protection
If this product is installed in a location near a noise source, e.g, power source or high-voltage
line, it may malfunction or fail. Use protective measures, such as using a noise filter or running
the cables separately.
About the Power Supply
• Noise superimposed on the power supply may result in malfunction. Use a stabilized DC
power supply configured with an isolation transformer.
• When using a commercially available switching regulator, be sure to ground the frame ground
terminal.
Instruction Manual
Read this manual before use.
Keep this manual in a safe place for future reference.
Symbols
The following symbols alert you to matters concerning the prevention of injury and product
damage.
It indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
It indicates a hazardous situation which, if not avoided, could result in
death or serious injury.
It indicates a hazardous situation which, if not avoided, could result in
minor or moderate injury.
It indicates a situation which, if not avoided, could result in product
damage as well as property damage.
It indicates cautions and limitations that must be followed during
operation.
It indicates additional information on proper operation.
Point
It indicates tips for better understanding or useful information.
The listed system names and product names, etc., are the trademarks or registered trademarks
of the respect companies.
Safety Precautions
General Precautions
• Before and while operating this product, confirm that it provides its functions and performance
correctly.
• Implement sufficient safety measures to prevent human and physical damages in case this
product fails.
• Be aware that the product functions and performance are not warranted if the product is used
outside the range of stated specifications or is modified by the customer.
• Combining this product with other equipment requires sufficient consideration because the
proper functions and performance may not be provided depending on the environment.
• Do not use this product for the purpose to protect a human body or a part of human body.
• This product is not intended for use as explosion-proof product. Do not use this product in
hazardous location and/or potentially explosive atmosphere.
• Do not expose equipment, including peripherals, to rapid temperature changes. Equipment
failure may result from condensation build up.
Precautions on Regulations and Standards
UL Certification
This product is an UL/C-UL Listed product.
• UL File No. E207185
• Category NRAQ, NRAQ7
Be sure to consider the following specifications when using this product as an UL/C-UL Listed
Product.
• Use this product under pollution degree 2.
• This product is an open type device. Therefore, it must be installed in an enclosure with IP 54
or higher. (e.g. Industrial control panel)
CE Marking
Keyence Corporation has confirmed that this product complies with the essential requirements
of the applicable EC Directive, based on the following specifications.
Be sure to consider the following specifications when using this product in the Member State of
European Union.
z EMC Directive
EMI : EN55011, Class A
EMS : EN61000-6-2
• Use a STP (shielded twisted pair) cable for connection to the network.
These specifications do not give any guarantee that the end-product with this product incorporated complies with the essential requirements of EMC Directive. The manufacturer of
the end-product is solely responsible for the compliance on the end-product itself according
to EMC Directive.
Outline
The DL-EP1 is an EtherNet/IP compatible adaptor which can read and write the data from the
connected sensor amplifier from a PLC (programmable controller) or PC (personal computer).
• The DL-EP1 supports cyclic communication. Data can be exchanged without a ladder program.
• The DL-EP1 also supports UCMM and Class 3 (explicit message communication). The sensor amplifier settings and status can be read and written at a random timing, and motion commands can be issued to the sensor amplifier.
Types and Number of Connectable Sensor Amplifi
The DL-EP1 can connect a maximum of 15 sensor amplifiers (main units and 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-EP1
unit.
The number of connectable units, and a mixed environment of different models, depend on the
particular sensor amplifiers or units. Refer to the “DL-EP1 User’s Manual”.
Checking the Package Contents
Before using the DL-EP1, make sure that the following equipment and accessories are included
in the package.
We have thoroughly inspected the package contents before shipment. However, in the event of
defective or broken items, contact your nearest KEYENCE office.
Package contents
• DL-EP1 main unit x1 • Expansion connector sticker x1 • End unit x2
Precautions for Use
• To avoid injury or failure, turn off the power immediately in the following cases.
- Water or foreign matter entered the main unit.
- The case is broken, for example if it is dropped.
- Smoke or unusual smell is emitted from the product.
• Use the correct power voltage. Failure to observe may result in
injury, or failure.
• Do not disassemble or modify this product. Failure to observe may
result in injury.
Do not turn off the power while you are setting any item.
Doing this may cause loss of data settings.
Equipment Environment
For safe, trouble-free operation of this product, the product must not be installed in the following
locations:
• Humid, dusty, or poorly ventilated.
• Exposed to direct sunlight or heating source.
• Exposed to corrosive or flammable gases.
• Exposed directly to vibration or shock.
• Exposed to water, oil, or chemical splashes.
• Exposed to static electricity.
• Instruction manual x1
List of Optional Parts)
• STP (shielded twisted-pair) cable
(Category 5e, straight)
- OP-51504 (0.2m)
- OP-51505 (0.5m)
- OP-51506 (1m)
- OP-51507 (3m)
- OP-51508 (5m)
* The working ambient temperature of the above cable is 0 to 50 °C.
1
Names of Each Part
(1)
(2)
(3)
NOTICE
NOTICE
Sensor amplifier connector
EtherNet/IP Compatible Network Unit DL-EP1
NOTICE
NOTICE
Sensor amplifier connector
(for DIN rail mounting type)
Expansion
connector sticker
(1) RJ-45 connector
(2) Reset switch
(3) Link/activity indicator (green)
(4) Module status indicator (green/red)
(5) Network status indicator (green/red)
(6) Sensor communication indicator
(green/red)
(7) MAC address
(8) Sensor amplifier connector
(for DIN rail mounting type)
(9) Sensor amplifier connector
(for panel mounting type/large
display type)
Name Description
(1) RJ-45 connector Attach the network cable to this connector.
(2) Reset switch
(3) Link/activity indicator (green) Normal: Green LED lights up or blinks
(4) Module status indicator (green/red) Normal: Green LED lights up
(5) Network status indicator
(green/red)
(6) Sensor communication indicator
(green/red)
(7) MAC address MAC address for this DL-EP1.
(8) Sensor amplifier connector
(for DIN rail mounting type)
(9) Sensor amplifier connector
(for panel mounting type/large display
type)
* The table above shows the display state when communication has been set and normal
communication is enabled. Refer to the "NU-EP1 User's Manual" for details.
When held down for three seconds or longer, the
DL-EP1 settings will be reset to the default settings.
Normal: Green LED lights up
Normal: Green LED lights up
Attach the sensor amplifier to this connector.
Attach the sensor amplifier to this connector.
A protective label is attached when shipped from the
factory. Connect with the optional expansion cable
(OP-35361).
Installation and Connection to Sensor Amplifiers
2 Mount the EtherNet/IP Compatible Network Unit DL-EP1 on the DIN rail and
connect to the sensor amplifier.
Push and fix the EtherNet/IP Compatible Network Unit DL-EP1 to make sure there is no
space between the output unit and the sensor amplifier.
Sensor amplifier
Connector
Refer to the figure below, and check that the sensor amplifier
connector (for DIN rail mounting type) on the side of the
EtherNet/IP Compatible Network Unit DL-EP1 is not mounted at
an angle. Connecting to the sensor amplifier with the connector
diagonally may damage the equipment.
CC-Link Compatible
Network Unit DL-CL1
3 Mount the attached end units (OP-26751: a set of two pieces) on both sides of the
sensor amplifier and the EtherNet/IP Compatible Network Unit DL-EP1, then fix
the end units with screws on the upper part of each end unit (2 points x 2 units).
(Tightening torque:0.6 N•m or less)
The mounting method of the end unit is the same as that of the EtherNet/IP Compatible
Network Unit DL-EP1.
End unit
End unit
Be sure to insert the EtherNet/IP Compatible Network Unit DLEP1 to the sensor amplifier to the end. Turning on the power
with diagonal insertion or improper insertion may damage the
equipment.
z Connecting to a panel mounting type sensor amplifier
1 Connect the sensor amplifier to the EtherNet/IP Compatible Network Unit DL-EP1
using the optional expansion cable (OP-35361).
Mounting on a DIN rail
1 Fit the tab of the lower part of the main unit
to the DIN rail. While inserting the main unit
in the direction of arrow 1, push the body in
the direction of arrow 2
2 To detach the main unit, while pushing the
main unit in the direction of arrow 1, pull
the body in the direction of arrow 3.
.
How to connect to the sensor amplifier
The EtherNet/IP Compatible Network Unit DL-EP1 is used by connecting it to a sensor amplifier.
The connection method varies according to the mounting type of the sensor amplifier to connect
to.
When connecting the EtherNet/IP Compatible Network Unit DL-EP1, be
sure to check the power of sensor amplifier is OFF before performing the
operation. Performing the operation when the power of sensor amplifier
is ON may damage the equipment.
Refer to the Instruction Manual of each sensor amplifier for details
Point
about how to add the sensor amplifier.
z Connecting to a DIN rail mounting type sensor amplifier.
1 Detach the expansion protective cover of the sensor amplifier to which the
communication unit is to be connected.
Sensor amplifier
Expansion protective cover
Detach the protection sticker
Expansion cable (cable length:300mm)
• Turn OFF the power before connecting the expansion cable
and connect securely. Diagonal or otherwise improper insertion may damage the equipment.
• Inserting or pulling the cable when the power is turned ON
may damage the equipment.
2 Detach the sensor amplifier connector (for DIN rail mounting type) of the
EtherNet/IP Compatible Network Unit DL-EP1 with pliers and mount the attached
expansion connector sticker.
2
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