OMRON products are manufactured for use according to proper procedures by a qualified operator
and only for the purposes described in this manual.
The following conventions are used to indicate and classify precautions in this manual. Always heed
the information provided with them. Failure to heed precautions can result in injury to people or damage to property.
!DANGER
!WARNING
!Caution
Indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury, or property damage.
OMRON Product References
All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when it refers to
an OMRON product, regardless of whether or not it appears in the proper name of the product.
The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means
“word” and is abbreviated “Wd” in documentation in this sense.
The abbreviation “PC” means Programmable Controller and is not used as an abbreviation for anything else.
Visual Aids
The following headings appear in the left column of the manual to help you locate different types of
information.
Note Indicates information of particular interest for efficient and convenient opera-
tion of the product.
ReferenceIndicates supplementary information on related topics that may be of interest
to the user.
1,2,3...1. Indicates lists of one sort or another, such as procedures, checklists, etc.
v
Trademarks and Copyrights
r
f
DeviceNet is a registered trademark of the Open DeviceNet Vendor Association, Inc.
Windows, Windows 95, Windows 98, Windows Me, Windows NT, and Windows 2000 are registered
trademarks of the Microsoft Corporation.
Other product names and company names in this manual are trademarks or registered trademarks of
their respective companies.
The copyright of the DeviceNet Unit belongs to OMRON Corporation.
OMRON, 2000
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, o
by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission o
OMRON.
No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without
notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility
for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in
this publication.
This manual describes the installation and operation of CS1W-DRM21 DeviceNet Unit for SYSMAC
CJ-series PLCs and the CJ1W-DRM21 DeviceNet Unit for SYSMAC CJ-series PLCs, and includes the
sections described below.
Please read this manual and all manuals for related products carefully and be sure you understand the
information provided before attempting to install and operate the DeviceNet Unit. Be sure to read the
precautions provided in the following section.
Section 1 provides an overview of the DeviceNet network, including features, specifications, and system.
Section 2 describes the nomenclature and installation of the DeviceNet Unit.
Section 3 describes the words allocated to the DeviceNet Unit in the CIO Area and DM Area. These
words both enable controlling the DeviceNet Unit and accessing Unit and network status.
Section 4 describes the remote I/O communications performed as a master by the DeviceNet Unit.
Section 5 describes the remote I/O communications performed as a slave by the DeviceNet Unit.
Section 6 describes message communications using FINS commands sent from the ladder program
in the CPU Unit of the PC.
Section 7 describes connecting to CX-Programmer via the DeviceNet and the Memory Card backup
function.
Section 8 describes the time required for remote I/O communications and message communications.
to keep the DeviceNet network operating properly. We recommend reading through the error processing procedures before operation so that operating errors can be identified and corrected more quickly.
The Appendices provide information on allocation differences with C200H-series DeviceNet Units,
DeviceNet connections, remote programming and monitoring, Memory Card backups, FINS commands and responses, sending DeviceNet explicit message to Non-OMRON nodes, and multi-vendor
applications.
The following manuals provide information on the DeviceNet and OMRON DeviceNet products.
ManualProductsContentsCat. No.
CS/CJ-series DeviceNet
Unit Operation Manual
(This manual)
DeviceNet
Operation Manual
DeviceNet Configurator
@
Ver. 2.
Operation Manual
DeviceNet Slaves Operation Manual
DeviceNet MULTIPLE I/O
TERMINAL Operation
Manual
CS1W-DRM21and CJ1W-DRM21
DeviceNet Units
CVM1-DRM21-V1 DeviceNet Master Unit
C200HW-DRM21-V1 DeviceNet Master Unit
CQM1-DRT21 I/O Link Unit
DRT1-series DeviceNet Slaves
GT1-series DeviceNet Slaves
WS02-CFDC1-E DeviceNet Configurator
3G8F5-DRM21 ISA Board
3G8E2-DRM21 PCMCIA Board
C200HW-DRT21
CQM1-DRT21
DRT1 Series
DRT1-COM
GT1 Series
Information on CS/CJseries DeviceNet Units.
Information on C200Hseries, CVM1, and CVseries DeviceNet Units, as
well as general DeviceNet
communications specifications and wiring methods.
Information on using the
Configurator.
Information on DeviceNet
Slaves.
Information on MULTIPLE
I/O TERMINALs, one type
of DeviceNet slave.
W380
W267
W382
W347
W348
ix
ManualProductsContentsCat. No.
SYSMAC CS/CJ Series
Communication Commands Reference Manual
CX-Net
Operation Manual
CS1G/H-CPU
CS1W-SCB21/41 Serial Communications
Boards
CS1W-SCU21 Serial Communications Unit
WS02-CXPC1-EV
@@
-E CPU Units
@
Information on FINS and
Host Link commands that
can be sent to CS/CJ-series
CPU Units.
Information on setting and
monitoring networks, such
as the use of routing tables.
W342
W362
!WARNING
x
Failure to read and understand the information provided in this manual may result in personal injury or death, damage to the product, or product failure. Please read each section
in its entirety and be sure you understand the information provided in the section and
related sections before attempting any of the procedures or operations given.
PRECAUTIONS
This section provides general precautions for using the DeviceNet Unit and related devices.
The information contained in this section is important for the safe and reliable application of the DeviceNet Unit
and Programmable Controller (PC) You must read this section and understand the information contained before
attempting to set up or operate a DeviceNet Unit as part of a PC.
This manual is intended for the following personnel, who must also have
knowledge of electrical systems (an electrical engineer or the equivalent).
• Personnel in charge of installing FA systems.
• Personnel in charge of designing FA systems.
• Personnel in charge of managing FA systems and facilities.
2General Precautions
The user must operate the product according to the performance specifications described in the operation manuals.
Before using the product under conditions which are not described in the
manual or applying the product to nuclear control systems, railroad systems,
aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems, machines, and equipment that may have a serious influence on lives and property if used
improperly, consult your OMRON representative.
Make sure that the ratings and performance characteristics of the product are
sufficient for the systems, machines, and equipment, and be sure to provide
the systems, machines, and equipment with double safety mechanisms.
This manual provides information for installing and operating the DeviceNet
Unit. Be sure to read this manual before operation and keep this manual close
at hand for reference during operation.
!WARNING
It is extremely important that a PC and all PC Units be used for the specified
purpose and under the specified conditions, especially in applications that can
directly or indirectly affect human life. You must consult with your OMRON
representative before applying a PC System to the above mentioned applications.
3Safety Precautions
!WARNING
!WARNING
Never attempt to disassemble a Unit or touch the inside of Unit while power is
being supplied. Doing so may result in serious electrical shock or electrocution.
Provide safety measures in external circuits, i.e., not in the Programmable
Controller (CPU Unit including associated Units; referred to as “PC”), in order
to ensure safety in the system if an abnormality occurs due to malfunction of
the PC or another external factor affecting the PC operation. Not doing so may
result in serious accidents.
• Emergency stop circuits, interlock circuits, limit circuits, and similar safety
measures must be provided in external control circuits.
• The PC will turn OFF all outputs when its self-diagnosis function detects
any error or when a severe failure alarm (FALS) instruction is executed.
As a countermeasure for such errors, external safety measures must be
provided to ensure safety in the system.
• The PC outputs may remain ON or OFF due to deposition or burning of
the output relays or destruction of the output transistors. As a counter-
xii
Operating Environment Precautions4
measure for such problems, external safety measures must be provided
to ensure safety in the system.
• When the 24-VDC output (service power supply to the PC) is overloaded
or short-circuited, the voltage may drop and result in the outputs being
turned OFF. As a countermeasure for such problems, external safety
measures must be provided to ensure safety in the system.
!WARNING
!Caution
!Caution
The CPU Unit refreshes I/O even when the program is stopped (i.e., even in
PROGRAM mode). Confirm safety thoroughly in advance before changing the
status of any part of memory allocated to I/O Units, Special I/O Units, or CPU
Bus Units. Any changes to the data allocated to any Unit may result in unexpected operation of the loads connected to the Unit. Any of the following operation may result in changes to memory status.
• Transferring I/O memory data to the CPU Unit from a Programming
Device.
• Changing present values in memory from a Programming Device.
• Force-setting/-resetting bits from a Programming Device.
• Transferring I/O memory files from a Memory Card or EM file memory to
the CPU Unit.
• Transferring I/O memory from a host computer or from another PC on a
network.
Execute online edit only after confirming that no adverse effects will be
caused by extending the cycle time. Otherwise, the input signals may not be
readable.
Confirm safety at the destination node before transferring a program to
another node or changing contents of the I/O memory area. Doing either of
these without confirming safety may result in injury.
4Operating Environment Precautions
Do not install the Unit in any of the following locations.
• Locations subject to direct sunlight.
• Locations subject to temperatures or humidities outside the range speci-
fied in the specifications.
• Locations subject to condensation as the result of severe changes in temperature.
• Locations subject to corrosive or flammable gases.
• Locations subject to dust (especially iron dust) or salt.
• Locations subject to exposure to water, oil, or chemicals.
• Locations subject to shock or vibration.
Provide proper shielding when installing in the following locations:
• Locations subject to static electricity or other sources of noise.
• Locations subject to strong electromagnetic fields.
• Locations subject to possible exposure to radiation.
• Locations near to power supply lines.
xiii
Application Precautions5
!Caution
The operating environment of the PC System can have a large effect on the
longevity and reliability of the system. Improper operating environments can
lead to malfunction, failure, and other unforeseeable problems with the PC
System. Be sure that the operating environment is within the specified conditions at installation and remains within the specified conditions during the life
of the system.
5Application Precautions
Observe the following precautions when using the DeviceNet Unit.
!WARNING
!Caution
Failure to abide by the following precautions could lead to serious or possibly
fatal injury. Always heed these precautions.
• Always connect to a class-3 ground (100
Units.
Failure to abide by the following precautions could lead to faulty operation or
the PC or the system or could damage the PC or PC Units. Always heed
these precautions.
• Install double safety mechanisms to ensure safety against incorrect signals that may be produced by broken signal lines or momentary power
interruptions.
• Enable the scan list to before operating the system.
• When adding a new node to the network, make sure that the baud rate is
the same as other nodes.
• Use specified communications cables.
• Do not extend connection distances beyond the ranges given in the spec-
ifications.
• Always turn OFF the power supply to the personal computer, Slaves, and
Communications Units before attempting any of the following.
• Mounting or dismounting the DeviceNet Unit, Power Supply Units, I/O
Units, CPU Units, or any other Units.
• Assembling a Unit.
• Setting DIP switches or rotary switches.
• Connecting or wiring the cables.
• Connecting or disconnecting connectors.
• Be sure that the terminal blocks, connectors, Memory Units, expansion
cables, and other items with locking devices are properly locked into
place. Improper locking may result in malfunction.
• Be sure that all the mounting screws, terminal screws, Unit mounting
screws, and cable connector screws are tightened to the torque specified
in the relevant manuals. Incorrect tightening torque may result in malfunction.
• Leave the label attached to the Unit when wiring. Removing the label may
result in malfunction if foreign matter enters the Unit.
• Remove the label after the completion of wiring to ensure proper heat dissipation. Leaving the label attached may result in malfunction.
• Always use the power supply voltage specified in this manual.
Ω or less) when installing the
xiv
Application Precautions5
• Double-check all the wiring and connection of terminal blocks and connectors before mounting the Units.
• Use crimp terminals for wiring. Do not connect bare stranded wires
directly to terminals.
• Observe the following precautions when wiring the communications
cable.
• Separate the communications cables from the power lines or high-tension lines.
• Do not bend the communications cables.
• Do not pull on the communications cables.
• Do not place heavy objects on top of the communications cables.
• Be sure to wire communications cable inside ducts.
• Use appropriate communications cables.
• Take appropriate measures to ensure that the specified power with the
rated voltage and frequency is supplied in places where the power supply
is unstable. An incorrect power supply may result in malfunction.
• Install external breakers and take other safety measures against short-circuiting in external wiring. Insufficient safety measures against short-circuiting may result in burning.
• Double-check all the wiring and switch settings before turning ON the
power supply.
• Check the user program for proper execution before actually running it on
the Unit. Not checking the program may result in an unexpected operation.
• Confirm that no adverse effect will occur in the system before attempting
any of the following. Not doing so may result in an unexpected operation.
• Changing the operating mode of the PC.
• Force-setting/force-resetting any bit in memory.
• Changing the present value of any word or any set value in memory.
• After replacing Units, resume operation only after transferring to the new
CPU Unit and/or Special I/O Units the contents of the DM Area, HR Area,
and other data required for resuming operation. Not doing so may result in
an unexpected operation.
• When transporting or storing the product, cover the PCBs with electrically
conductive materials to prevent LSIs and ICs from being damaged by
static electricity, and also keep the product within the specified storage
temperature range.
• When transporting the Unit, use special packing boxes and protect it from
being exposed to excessive vibration or impacts during transportation.
• Do not attempt to disassemble, repair, or modify any Units.
xv
Conformance to EC Directives6
6Conformance to EC Directives
6-1Applicable Directives
• EMC Directives
6-2Concepts
EMC Directives
OMRON devices that comply with EC Directives also conform to the related
EMC standards so that they can be more easily built into other devices or
machines. The actual products have been checked for conformity to EMC
standards. (See the following note.) Whether the products conform to the
standards in the system used by the customer, however, must be checked by
the customer.
EMC-related performance of the OMRON devices that comply with EC Directives will vary depending on the configuration, wiring, and other conditions of
the equipment or control panel in which the OMRON devices are installed.
The customer must, therefore, perform final checks to confirm that devices
and the overall machine conform to EMC standards.
Note Applicable EMS (Electromagnetic Susceptibility) and EMI (Electromagnetic
Interference standards in the EMC (Electromagnetic Compatibility) standards
are as follows:
DeviceNet products that meet EC directives must be installed as follows:
1,2,3...1. DeviceNet Units are designed for installation inside control panels. All De-
viceNet Units must be installed within control panels.
2. Used reinforced insulation or double insulation for the DC power supplies
used for the communications power supply, internal circuit power supply,
and the I/O power supplies.
3. DeviceNet products that meet EC directives also meet the common emission standard (EN50081-2). When DeviceNet products are built into equipment, however, the measure necessary to ensure that the standard is met
will vary with the overall configuration of the control panel, the other devices connected to the control panel, and other conditions. You must therefore confirm that EC directives are met for the overall machine or device,
particularly for the radiated emission requirement (10 m).
The following examples show means of reducing noise.
1,2,3....1. Noise from the communications cable can be reduced by installing a ferrite
core on the communications cable within 10 cm of the DeviceNet Unit.
xvi
Conformance to EC Directives6
Ferrite Core (Data Line Filter): 0443-164151 (manufacturered by
DeviceNet is a multi-bit, multi-vendor network that combines controls and data
on a machine/line-control level and that conforms to DeviceNet open field network specifications.
Three types of communications are supported: 1) Remote I/O master communications that automatically transfer I/O between slaves and the CPU Unit to
which a DeviceNet Unit is mounted without any special programming in the
CPU Unit, 2) Remote I/O slave communications that automatically transfer I/O
between the Master and the CPU Unit to which a DeviceNet Unit is mounted,
and 3) Message communications that read/write messages, control operation,
or perform other functions for other CPU Units to which a DeviceNet Unit is
mounted and slaves. Message communications are achieved by executing
specific instructions (SEND (192), RECV (193), and CMND (194)) from the
program in the CPU Unit to which the DeviceNet Unit is mounted.
DeviceNet functions
1,2,3...1. Without the Configurator Software Tool
Remote I/O master communications
Remote I/O slave communications
Message communications
Fixed allocations
User-set allocations
Fixed allocations
User-set allocations
Explicit message communications
FINS message communications
The following functions are supported with a CS/CJ-series DeviceNet Unit.
a) I/O area words can be flexibly allocated for remote I/O Master and
Slave communications. Three types of fixed allocations as well as
user-set allocations through allocated DM Area words are possible.
b) More than one DeviceNet Unit can be mounted under a single PC.
c) More than one DeviceNet Unit can be connected in a single network.
With the Configurator, remote I/O can be allocated in any order, i.e.,
not necessarily in the other of node addresses.
Note The Configurator that is connected through a dedicated Board or
Card uses one node in the DeviceNet network. It does not use a
node if it is connected by a serial line.
2. A CS/CJ-series DeviceNet Unit can function as either a master or slave in
remote I/O communications. Both can be used simultaneously.
3. With a CS/CJ-series DeviceNet Unit, the DeviceNet network can be treated exactly like a Controller Link, Ethernet, or other network for message
communications or remote programming and monitoring by a CX-Programmer.
2
Overview of DeviceNetSection 1-1
1-1-1Overall System Configuration
DeviceNet Unit or
DeviceNet Master Unit
CS Series
CS1W-DRM21
CJ Series
CJ1W- DRM21
DeviceNet
Configurator
(personal computer)
: T-branch Taps or multi-drop connections
CQM1
C200HZ/HX/HG/E/HS:
C200HW-DRM21-V1
CVM1/CV Series:
CVM1-DRM21-V1
Photoelectric
,
I/O Link
Unit
sensors, proximity sensors, limit
switches, etc.
Input
Te r mi n a l
Output
Terminal
Solenoids,
valves, etc.
Photoelectric
sensors, proximity sensors, limit
switches, etc.
Input Remote
Adapter (used
with Input Block)
Output Remote
Adapter (used
with Output
Block)
Solenoids,
valves, etc.
Photoelectric
sensors or proximity sensors
with connectors
Photoelectric
sensors,
proximity
sensors, limit
switches, etc.
Sensor
Te r mi n a l
Environment-resistant Terminal
(Inputs, outputs,
or mixed I/O)
Solenoids,
valves, etc.
Analog
Input
Terminal
Analog sensors,
etc.
Master Features
DeviceNet Unit or
DeviceNet Master Unit
(See note.)
Analog
Output
Terminal
Inverters,
valves, etc.
Temperature Input Terminal
Thermocouple,
platinum resistance
thermometer
Bar code
readers, etc.
C200H I/O Link Unit
RS-232C
Unit
InputsOutputs Outputs
MULTIPLE I/O TERMINAL
Inputs
Note The Configurator is required if more than one Master is connected in a single
network when a CVM1-DRM21-V1 or C200HW-DRM21-V1 is used.
DeviceNet Master Units and DeviceNet Units
Support remote I/O communications between OMRON PCs (CS-series, CJseries, CVM1, CV-series, or C200HX/HG/HE/HS) and slaves.
Support message communications between OMRON PCs, or between an
OMRON PC and slaves and masters from other companies.
VME Master Boards
Supports remote I/O communications between a VME System and slaves.
3
Overview of DeviceNetSection 1-1
Configurator Features
• Enables user-set allocations for remote I/O (choice of node address order,
2 area allocations, etc.).
• Enables serial connection to the Programming Device Port of a PC.
• Enables user settings for DeviceNet remote I/O communications connec-
tions.
• Enables multiple Masters on a single PC.
• Enables multiple Masters in a single network.
Slave Features
I/O Terminals
• Provide general-purpose I/O via terminal blocks (M3).
• Available in the following models:
• 8-point Transistor Input Terminal
• 16-point Transistor Input Terminal
• 8-point Transistor Output Terminal
• 16-point Transistor Output Terminal
Environment-resistant Terminals
• Improved I/O Terminals that conform to IP66 for spatter-, water-, and oilresistance.
• Available in the following models:
• 8-point Transistor Input Terminal
• 8-point Transistor Output Terminal
• 16-point Transistor I/O Terminal (8 inputs and 8 outputs)
Remote Adapters
• Used in combination with G70D and other I/O Blocks to handle relay outputs, power MOS FET Relay outputs, etc.
• Available in 16-point input and 16-point output models.
I/O Link Units
• More than one I/O Link Unit can be mounted to a CQM1 PC.
• Link 16 inputs and 16 outputs between the PC and the Master.
Sensor Terminals
• Accept inputs from photoelectric and proximity sensors with connectors.
• Available in 16-point input and 8-point input/8-point output models.
• Output signals can be used for sensor teaching and external diagnosis.
Analog Input Terminals
• Convert analog inputs to binary.
• Switchable between 2 and 4 input points using the DIP switch.
• Handle inputs of 0 to 5 V, 1 to 5 V, 0 to 10 V, –10 to +10 V, 0 to 20 mA, or
4to20mA.
Analog Output Terminals
• Convert binary data to analog outputs.
• Provides outputs of 1 to 5 V, 0 to 10 V, –10 to +10 V, 0 to 20 mA, or 4 to
20mA.
• Available in models with a resolution of either 1/6,000 or 1/30,000.
4
Overview of DeviceNetSection 1-1
Temperature Input Terminals
• Temperature data is input as binary data for 4 inputs.
• Thermocouple and platinum resistance thermometer inputs are available.
C200H I/O Link Units
• Special I/O Slaves that mount to C200HX/HG/HE PCs and read/write
data from the Master to the specified words in the CPU Unit.
• Read and write areas specified for up to 512 bits each (32 words each).
• Any memory area words can be read or written using DeviceNet explicit
messages.
RS-232C Units
• Special I/O Slaves that provide two RS-232C ports and control I/O from
the Masters.
MULTIPLE I/O TERMINALs
• Multiple I/O Units can be combined under a Communications Unit and
treated as a single Slave.
• Special I/O Units, such as Analog I/O Units, and High-speed Counter
Units are also available.
5
Overview of DeviceNetSection 1-1
1-1-2Applicable Units and DeviceNet Functions
Remote I/O Master
DeviceNet Unit (Master)
CPU Unit
Remote I/O communications
DeviceNet
Slaves
ItemMasterModelWithout Configurator With Configurator
Max. No.
of Slave
nodes per
Master
Max. No.
of control
points per
Master
CS SeriesCS1W-DRM2163 nodes
CJ SeriesCJ1W-DRM21
CVM1, CV Series CVM1-DRM21-V1
CS Series,
CVM1, CV Series CVM1-DRM21-V1DeviceNet AreaUser-allocated
CS Series,
C200HX/HG/HE
C200HS
C200HW-DRM21-V1 1,600 pts (50 input/50
output words)
output words)
C200HW-DRM21-V1
words in CIO Area,
and user-allocated
words in CIO Area,
DM Area, and other
areas.
C200HW-DRM21-V1 C200H DeviceNet
words in CIO Area
(including dedicated
words/ bits)
6,400 (100 words x
4 blocks
Without messages:
4,800 pts
With messages:
1,600 pts
1,280
User-allocated
words in CIO Area,
DM Area, and other
areas.
words in CIO Area,
DM Area, and other
areas.
6
Overview of DeviceNetSection 1-1
Remote I/O Slave (only Units Mounted in a PC)
DeviceNet Unit (Master)
CPU Unit
IN areaOUT area
ItemCPU Unit to
Max. No. of I/O pts
per Slave
Allocation areas in
the CPU Unit to
which this Slave is
mounted
Remote I/O communications
DeviceNet Unit (Slave)
which a Slave is
mounted
CS SeriesCS1W-DRM2132 pts (1 input/
CJ SeriesCJ1W-DRM21
CS Series,
C200HX/HG/HE
CQM1H
CQM1 Series
CS SeriesCS1W-DRM21CIO, WR, DM, EM, HR
CJ SeriesCJ1W-DRM21
CS Series,
C200HX/HG/HE
CQM1H
CQM1 Series
C200HW-DRT211,024 pts (32 input/32 output words)
CQM1-DRT2132 pts (1 input/1 output word)
C200HW-DRT21CIO, DM, EM, AR, LR, T/C
CQM1-DRT21CIO
DeviceNet
CPU Unit
Slaves
Unit ModelWithout the
Configurator
1 output word) or
3,200 pts (100
input/100 output
words)
IN area
OUT area
4,800 pts
(100 input words x
2/100 output words
x 1)
With the
Configurator
7
Overview of DeviceNetSection 1-1
Message Communications
MasterMaster
RS-232C
Interface Unit
Communications Instructions
MasterUnit modelSendReceiveFINS
commands
CS SeriesCS1W-DRM21SEND(192)RECV(193)CMND(194)
CJ SeriesCJ1W-DRM21
CVM1, CV SeriesCVM1-DRM21-V1SEND(192)RECV(193)CMND(194)
CS Series,
C200HX/HG/HE
C200HS---
C200HW-DRM21-V1NoneNoneIOWR
ItemMaster modelModelCapacity
Max. No. of nodes per
Master for message
communications using
FINS commands
Max. No. of nodes per
Master for message
communications using
explicit messages
Max. message lengthCS SeriesCS1W-DRM21SEND(192): 267 words
CS SeriesCS1W-DRM2162 nodes
CJ SeriesCJ1W-DRM21
CVM1, CV SeriesCVM1-DRM21-V18 nodes
CS Series,
C200HX/HG/HE
C200HS Not supported
CS SeriesCS1W-DRM2163 nodes
CJ SeriesCJ1W-DRM21
CVM1, CV SeriesCVM1-DRM21-V163 nodes
CS Series, C200HX/
HG/HE
C200HS Not supported
CJ SeriesCJ1W-DRM21
CVM1, CV SeriesCVM1-DRM21-V1SEND(192): 76 words
CS Series,
C200HX/HG/HE
C200HW-DRM21-V18 nodes
C200HW-DRM21-V163 nodes
C200HW-DRM21-V1IOWR(223): 160 bytes (start-
(Node address 0 cannot be
used in FINS communications.)
RECV(193): 269 words
CMND(194): 542 bytes (start-
ing with command code)
RECV(193): 78 words
CMND(194): 160 bytes
(starting with command code)
ing with command code)
Note FINS message communications are supported between any two PCs with a
CS/CJ-series DeviceNet Unit (CS1W-DRM21/CJ1W-DRM21). They are not
supported for PCs with a C200H DeviceNet Master Unit (C200HW-DRM21-
8
Overview of DeviceNetSection 1-1
V1) or a CVM1/CV-series DeviceNet Master Unit (CVM1-DRM21-V1). Refer
to 6-3 Using FINS Mes s age Communications for details.
Communications Software Switches and Communications Status
Dedicated words in the CPU Unit are allocated for DeviceNet communications
software switches and status.
Master
Software
switches
Status area
Control scan list registration/clearing, remote I/O
communications start/stop, and other parameters
Enables monitoring communications errors, communications
status of Masters, registered Slave data, normal Slave data,
etc.
1-1-3Masters
PCModelMountable positionMaster/Slave
function
CS SeriesCS1W-DRM21
CJ SeriesCJ1W-DRM21CPU Rack or Expansion
CVM1/CV SeriesCVM1-DRM21-V1
CS SeriesC200HW-DRM21-V1
C200HX/HG/HE10 or 16
C200HS10
DeviceNet Unit
DeviceNet Master
Unit
DeviceNet Master
Unit
CPU or Expansion CPU
Rack (Classified as CPU
Bus Units)
Rack (Classified as CPU
Bus Units)
CPU or Expansion CPU
Rack (Classified as CPU
Bus Units)
CPU Rack or Expansion
I/O Rack (Classified as
Special I/O Units)
Master and Slave 16
Master only161
Maximum number of
Configurator
16
mountable units
With
Without
Configurator
1-1-4Types of Slave
The following classifications are used for DeviceNet Slaves.
• General-purpose Slaves:
Slave with I/O functions for I/O that uses an ordinary connector connected
to a communications cable.
• Environment-resistant Slaves:
Slave with I/O functions for I/O that uses a round, waterproof connector
connected to a communications cable.
• Special Slaves:
Slave with functions not related to I/O (e.g., message communications) for
I/O that uses an ordinary connector connected to a communications
cable.
9
Overview of DeviceNetSection 1-1
General-purpose Slaves (Communications Cable: Normal Square Connectors)
NameAppearanceI/O pointsModel numberRemarks
Remote I/O Terminals
with Transistors
Remote I/O Terminals
with Transistors and
3-tier Terminal Block
Remote I/O Terminals
with Transistors and
Connectors
Remote Adapters16 input points (NPN) DRT1-ID16XCompact (85 x 50 x 40 mm W
Use version 2 of the DeviceNet Configurator for the CS1W-DRM21/CJ1WDRM21 DeviceNet Unit. Earlier versions of the DeviceNet Configurator do not
support the CS1W-DRM21 DeviceNet Unit.
Product
name
DeviceNet
Configurator
(Ver. 2)
ModelComponentsNetwork connection
WS02-CFDC1-EInstallation disk
(CD-ROM)
to computer
Any of the following:
• Serial connection
• PCMCIA Card
• ISA Board
(See the table below.)
Applicable
computer
IBM PC/AT or
compatible
OS
Windows 95, 98,
Me, NT4.0, or
2000
Note The following Boards and Cards can be used.
ModelComponentsApplicable
3G8F5-DRM21Dedicated ISA Board with
DeviceNet Configurator (Ver. 2)
3G8E2-DRM21Dedicated PCMCIA Card with
DeviceNet Configurator (Ver. 2)
computer
IBM PC/AT or
compatible
Windows 95, 98, or
NT4.0
Windows 95 or 98
OS
Note Use DeviceNet Configurator version 2.10 or later for the CJ1W-DRM21.
1-2DeviceNet Unit Features
The following are features of the CS-series and CJ-series DeviceNet Units
(CS1W-DRM21 and CJ1W-DRM21).
Multi-vendor NetworkDevices made by other companies (masters or slaves) can be connected to
DeviceNet because it conforms to open field network specifications. By using
a combination of valves, sensors, and other DeviceNet products, the network
can be adapted to various field-level applications.
Simultaneous Remote I/O
Communications and
Messaging Services
Note Refer to SECTION 4 Remote I/O Master Communications for details on
Remote I/O communications that constantly transfer I/O between a DeviceNet
Unit and slaves as well as message communications where the DeviceNet
Unit sends and receives data as needed can both be executed simultaneously. When a DeviceNet network is constructed, this feature ensures the
network will be able to handle applications that require the free flow back and
forth of bit data and message data. FINS commands can be executed along
with DeviceNet explicit messages in message communications.
Remote I/O Communications
CS/C J-series DeviceNe t
Unit (master)
Remote I/O (master)
unction
Slave
DeviceNet
Slave
Slave
remote I/O communications.
15
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