DeviceNet-compliant Interface Unit with up to 1,024 I/O Points at
One Node
• Connect up to 64 SmartSlice I/O Units.
• Consolidate a large capacity of I/O points into one Slave (up to
1,024 I/O points).
• Save space by configuring different I/O types using one Slave Unit.
• Easily get the system started simply by setting the node
addresses.
• Replace SmartSlice I/O Units online while maintaining
communications. This helps minimize equipment downtime.
• Smart functions for monitoring equipment operating status. This
helps improve preventive maintenance and the utilization rate.
• Registering SmartSlice I/O for planned future expansion
decreases design work when changes are made. (Supported for
unit version 2.0 or higher.)
Ordering Information
Name
DeviceNet Communications Unit
Specifications
Up to 64 Slice I/O Units can be connected.
(1,024 I/O points max.)
Model
GRT1-DRT
General Specifications
Item
Network power supply voltage
Unit power supply voltage
I/O power supply voltage
Noise immunity
Vibration resistance
Shock resistance
Dielectric strength
Insulation resistance
Ambient operating temperature
Ambient operating humidity
Ambient operating atmosphere
Ambient storage temperature
Mounting method
*
Model
GRT1-DRT
11 to 25
V
DC (Supplied from the communications connector)
20.4 to 26.4
VDC
(24
VDC
-15%/+10%)
20.4 to 26.4
VDC
*
(24
V
+10%/-15%)
Conforms to IEC 61000-4-4, 2 kV (power line)
10 to 60 Hz, 0.7-mm double amplitude 60 to 150 Hz: 50 m/s
2
150 m/s
2
500
V
AC between isolated circuits
20 MΩ min. between isolated circuits
-10°C to 55°C (with no icing or condensation)
25% to 85%
No corrosive gases
-25°C to 65°C (with no icing or condensation)
DIN 35 mm-track mounting
For power supply input to the Slice I/O Units.
72
DeviceNet Communications Unit
GRT1-DRT
DeviceNet Communications Unit Specifications
Item
I/O points
Connectable Slice I/O Units
Communications with Slice I/O Units
Model
1,024 max. (128 bytes), including inputs and outputs
64 max.
64 Units max. in a horizontal connection configuration (for an extension of approx. 2 m max.)
Power consumption is limited to 80 W per block, and the extension must be done using Turnback Cables
(two 1-m cables max., for a distance of 2 m max.)
(1) 0, 2, or 4 bits
(2) 0 to 16 words (in word increments)
One word is allocated (Communications Unit Status Flags)
2 KB of data can be backed up and restored per Unit
Supported
Supported
1 DeviceNet open connector with screws Connectable with multi-drop connector
2 terminals for I/O power supply, 2 terminals for Unit power supply
80 W max. (Unit power supply)
4 A max.
137 g
GRT1-DRT
Slice I/O Unit data capacity
Status flags
Parameter back-up and restore functions
Message communications function
Automatic baud rate detection
Connector
Terminals
Power supply per 1 block
I/O power supply consumption current
Weight
Nomenclature and Functions
GRT1-DRT
Indicators
Indicate the condition of the DeviceNet Communications
Unit and DeviceNet network, and the communications
condition with the Slice I/O Units.
DIP Switch
Used to set the I/O allocation method, and to read and
write configuration data from and to Slice I/O Units
connected to the Communications Unit.
SW1 (REGS): Create/Enable registered table
SW2 (I/O):
Enable/Disable I/O allocation mode
*
SW3 (ADR): Automatic restore
SW4 (BACK): Backup trigger
*
Unit version 2.0 or later.
Rotary Switches
Used to set the node address for the
DeviceNet Slave. (Set in decimal.)
Node addresses from 0 to 63 can be set.
DeviceNet
Communications Connector
Connects to the communications cable
for a DeviceNet network.
Unit Power Supply Terminals
Supply power to the internal circuits of the Unit, and
to the internal circuits of connected Slice I/O Units.
I/O Power Supply Terminals
Supply power to external inputs and outputs connected
to the Slice I/O Units.
Dimensions
GRT1-DRT
3
12
(Unit: mm)
Overall System
SmartSlice DeviceNet
Communications Unit
Slice I/O Units
End Unit
84
80 mm
58 mm
3
24
40
62
70
58
15 mm × n Units
n = 64 max. 19.5 mm
(with current
consumption limit)
DeviceNet Communications Unit
GRT1-DRT
73
Ordering Information
Name
Appearance
Specifications
Model
DeviceNet Communications Unit
Up to 64 SmartSlice I/O Units can be connected (1,024 I/O points).
GRT1-DRT
4 inputs, NPN
4 inputs, PNP
4 outputs, NPN
4 outputs, PNP
8 inputs, NPN
Digital I/O Units
8 inputs, PNP
8 outputs, NPN
8 outputs, PNP
2 relay outputs
4 AC inputs
GRT1-ID4
GRT1-ID4-1
GRT1-OD4
GRT1-OD4-1
GRT1-ID8
GRT1-ID8-1
GRT1-OD8
GRT1-OD8-1
GRT1-ROS2
GRT1-IA4-1
GRT1-IA4-2
SmartSlice
I/O Units
Analog I/O Units
2 inputs (current or voltage)
2 outputs (current)
2 outputs (voltage)
2 temperature inputs (Pt100 resistance thermometer)
Temperature Input Unit
(resistance thermometer)
2 temperature inputs (Pt1000 resistance thermometer)
2 thermocouple inputs
1 counter input, 1 external output, NPN
Counter Units
1 counter input, 1 external output, PNP
GRT1-AD2
GRT1-DA2C
GRT1-DA2V
GRT1-TS2P
GRT1-TS2PK
GRT1-TS2T
GRT1-CT1
GRT1-CT1-1
For right-side turnback
(Used to divide a SmartSlice I/O Terminal into blocks)
Turnback Units
For left-side turnback
(Used to divide a SmartSlice I/O Terminal into blocks)
GRT1-TBR
GRT1-TBL
Turnback Cable
System
Units
--
Length: 1 m
GCN2-100
GRT1-PD2
Used if the total current consumption of the I/O Power Supply exceeds
4 A or to use a separate I/O power supply.
I/O Power Feed Unit
GRT1-PD2G
GRT1-PD8
GRT1-PD8-1
GRT1-PC8
Used to add V and G terminals for the I/O power supply.
GRT1-PC8-1
End Unit
*1
Required at the end of SmartSlice I/O Terminals.
GRT1-END
Option
*1.
*2.
Terminal blocks
--
Terminal blocks (5 blocks)
GRT1-BT1-5
The End Unit is sold separately. (End Units are not included with Communications Units.)
Use the GCN2-100 as a set with the GRT1-TBR and GRT1-TBL.
For details, refer to the following catalogs and user manuals.
SmartSlice GRT1-series Catalog
(Cat. No. R139)
GRT1-DRT SmartSlice DeviceNet Communications Unit User's Manual
(Cat. No. W454)
GRT1-series SmartSlice I/O Unit User's Manual
(Cat. No. W455)
74
Ordering Information
Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or
comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified)
from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR
FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS
IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS
OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT
SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's
application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the
products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product,
machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible
uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:
•
Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog.
•
Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles,
safety equipment, and installations subject to separate industry or government regulations.
•
Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made.
However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or
establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual
specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the
result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON
Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical,
typographical, or proofreading errors, or omissions.
2009.8
In the interest of product improvement, specifications are subject to change without notice.
Industrial Automation Company
http://www.ia.omron.com/
OMRON Corporation
(c)Copyright OMRON Corporation 2009 All Right Reserved.
Mouser Electronics
Authorized Distributor
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