1
Smart DeviceNet Remote I/O Terminals
For more information, contact an Omron representative at 1-800-55-OMRON
Gather and Use Information for Effective
Preventive Maintenance
Get more useful data for preventive maintenance
when you build cost-effective parallel information
systems for control and maintenance using Omron’s
smart remote I/O terminals. These remote I/O
terminals include economical expansion units that let
you design a monitoring system for maintenance
information.
Smart Measuring and Smart Counting
These two functions take advantage of the intelligent
capabilities of DeviceNet. In Smart Measuring, the
remote I/O terminals convert machine operating time
and operational changes to data enabling monitoring
without increasing the load between controllers.
Smart Counting keeps track of the ON/OFF
operations and total operating time so preventive
maintenance can be scheduled based on service life
estimates. The operation counter and operating time
monitor functions cannot be used simultaneously.
What Device is Reporting Problems?
These slave units can hold comments such as device
number, type and location to shorten troubleshooting
by identifying fault locations and faulty devices. They
can also be used to monitor network communication
errors.
■ 16-point input and output terminals, NPN or PNP
models with DeviceNet connection
■ Expansion terminals available in 8-point and 16-
point units
■ Input filter function eliminates noise from contact
bounce and, using OFF response time, can capture
pulses shorter than the communications time
■ Sensor inrush current protection delays accepting
input for 100 ms after input power turns on
■ Inputs powered by the network power supply
■ Compact size saves space in control panels
■ Network Power Monitor function
2
DRT2-ID16/OD16DRT2-ID16/OD16
Features and Functions
Omron’s DRT2-series Smart Slaves do not just input and output
ON/OFF signals. They collect a variety of value-added information
to help increase the rate of operation without changing the wiring
for existing DeviceNet networks. In particular, they allow the sepa-
ration of control systems and maintenance systems so that main-
tenance systems can be created independently of control
systems.
PLC
Configurator
Control I/O
DRT2-series
Smart Slave
Pneumatic valve
Maintenance information
Easy-to-view
Display2
3
Sensor
Cylinder
Control System Maintenance SystemMaintenance SystemControl System
Operating time, contact operation
counter
Machine Operation
Monitored by Slave
Faster Maintenance
Work1
The Slave can hold comments,
allowing quick identification of fault
locations and faulty devices.
The Slave Unit represents
machine operating time an
operational changes as da
enabling monitoring withou
increasing the load betwee
controllers.
Smart Measuring Smart Counting
3
DRT2-ID16/OD16 DRT2-ID16/OD16
For more information, contact an Omron representative at 1-800-55-OMRON
■ Operating Time Monitor Function
Errors in machine operation can be detected by measuring
the time interval between output and input.
The Slave can perform high-speed measurement of the interval
between the time an output is turned ON by a specified bit and the
time an input is turned ON. It is possible to read this measurement
result (between 2 and 65,535 ms) using the Configurator or explicit
message communications. This feature contributes to preventive
maintenance by allowing the detection of mechanical deteriora-
tion, such as air leaks in cylinders. A threshold value can also be
set in the Slave so that a flag turns ON when the time becomes
longer than a set time.
■ Contact Operation Counter Function
Provides notification of maintenance timing for I/O devices,
such as switches and actuators.
This function provides notification of maintenance timing for input
and output devices, such as switches and actuators.
■ Energized Time Monitor Function
Every six minutes the Slave records the total energized time of, for
example, a motor. This record can be read using the Configurator
or explicit message communications.
MS NS NODE ADDRESS
DRT2-ID16 ET-OD16Measurement
time
Measurement
time
Smart Slave
Output contact A
(e.g., valve)
Output contact A
(e.g., valve)
Input contact B
(e.g., sensor)
Recorded in
the Slave
Measurement
time
Input contact B
(e.g., sensor)
Note: This function can only be used when combinations of
Basic Units and Expansion Units that have both inputs
and outputs are used.
MS NS NODE ADDRESS
DRT2-ID16
1 2 3
Number
of times
OFF to ON
Output device
(e.g., relay)
Counts the number
of OFF to ON
operations
Smart Slave Recorded in
the Slave
MS NS NODE ADDRESS
DRT2-ID16
Smart Slave
Total conduction
time
I/O power
supply
Motor
Motor's
conduction time
Total conduction
time
Recorded in
the Slave
Note: The contact operation counter function and the unit conduction time monitor
function cannot be used simultaneously.
4
DRT2-ID16/OD16DRT2-ID16/OD16
A threshold value can be set in the Slave so that a flag turns ON
when this value is exceeded. (This is possible with both the con-
tact operation counter function and the energized time monitor
function.) This makes it possible to identify when parts approach
the end of their service life, and provides useful data for preventive
maintenance.
■ Unit Comment/Connected Slaves
Function
Identification of fault locations and confirmation of replace-
ment parts can be performed quickly.
Unit Command Function
Setting the location in the Slave’s internal comments means that
the Slave can be detected from the Configurator.
Connected Devices Comment Function
By setting the maker name and model number for each contact
(e.g., sensors and valves), comments can be set for each of the
input and output contacts in the Slaves.
Confirmation and preparation of replacement parts when failures
occur can be performed quickly.
All of this data can be handled as electronic data and can therefore
be used, for example, to create electronic manuals or databases of
maintenance parts.
■ Network Startup
Networks can be started up simply by making rotary switch
settings and connecting network cables.
Easy Node Address Setting
Node addresses are set with easy-to-use rotary switches.
Automatic Baud Rate Recognition Function
The automatic baud rate recognition function eliminates the need
for DIP switches.
No Wiring Required for Unit’s Internal Circuit Power
Supply
Power for the Unit’s internal circuits is obtained from the network
power and so no wiring is required for the Unit’s internal circuit
power supply.
5
DRT2-ID16/OD16 DRT2-ID16/OD16
For more information, contact an Omron representative at 1-800-55-OMRON
■ Network Power Voltage Monitor
Function
The network power voltage status and the I/O power status
can be understood at a glance via the network.
The network power voltage is recorded in the Slave (network
power voltage monitor function). It is also possible to detect
whether the I/O power supply is turned ON, and to output a warn-
ing if it is not (I/O power status monitor function). This means that
the status of the network power voltage and I/O power supply for
each SmartSlave can be confirmed at a glance from the Configu-
rator, contributing to reductions in startup time.
■ Communication Error History Monitor
Function
Causes for communications errors can be monitored.
Information (i.e., communication error code and network power
voltage at the time) for four previous errors can be recorded in the
Slave. This error history can be read from Smart Slaves that are
removed from the network when correcting an error, enabling
more effective maintenance.
■ Improved Structural Flexibility
Smallest in Its Class
The width of the Basic Unit is 115 mm (77% of 150-mm DRT1-
series models) and the width of the Expansion Unit is 94 mm, giv-
ing a total expanded width of 209 mm, making it the smallest
device of its class in the industry.
Easy Mounting and Dismounting of Terminal Blocks
Terminal blocks can be mounted and dismounted with ease.
Easy Expansion with Expansion Units
The Smart Slaves can be expanded easily by freely combining
Expansion Units with Basic Units using snap-on mounting. This
means less wiring work is required.
Clamp-type Communications Connectors
Input Filter Function
The influence of noise can be removed using the ON response
time. Also, very small pulses that are shorter than the communica-
tions time can be handled using the OFF response time.
Function for Handling Sensor Inrush Current
In order to prevent incorrect input due to inrush current when, for
example, power to a sensor is turned ON, the Slave can be set not
to accept input for 100 ms after input supply is turned ON.
6
DRT2-ID16/OD16DRT2-ID16/OD16
Specifications
■ General Specifications
■ Input Specifications
■ Output Specifications
Item Specification
Network power voltage 11 to 25 VDC (supplied from the communications connector)
I/O power supply voltage 20.4 to 26.4 VDC (24 VDC -15% to +10%)
Noise immunity Conforms to IEC61000-4-4: 2 kV (power lines)
Vibration resistance 10 to 50 Hz, 0.7-mm double amplitude
Shock resistance 200 m/S2
Dielectric strength 500 VAC (between isolated circuits)
Insulation resistance 20 MΩ min. (between isolated circuits)
Ambient operating temperature -10 to +55°C
Ambient operating humidity 35% to 85%
Ambient atmosphere No corrosive gases
Ambient storage temperature -20 to +65°C
Mounting method 35-mm DIN track mounting
Mounting strength 50 N (in directions other than the DIN track direction), 10 N (in the DIN track direction)
Screw tightening torque M3 (power supply, I/O terminals): 0.3 to 0.5 N•m
Item Specification
Model number DRT2-ID16 DRT2-ID16-1
Internal I/O common processing NPN PNP
Number of I/O points 16 inputs
ON voltage 15 VDC min. (between each input terminal
and V)
15 VDC min. (between each input terminal
and G)
OFF voltage 5 VDC min. (between each input terminal
and V)
5 VDC min. (between each input terminal
and G)
OFF current 1.0 mA max. per point (at 24 VDC)
Input current 6.0 mA max. per point at 24 VDC; 3.0 mA max. per point at 17 VDC
ON delay time 1.5 ms max.
OFF delay time 1.5 ms max.
Number of points per common 16 points per common
Item Specification
Model number DRT2-OD16 DRT2-OD16-1
Internal I/O common processing NPN PNP
Number of I/O points 16 outputs
Rated output current 0.5 A per point, 4.0 A per common
Residual voltage 1.2 V max. (0.5 A between each output termi-
nal and G)
1.2 V max. (0.5 A between each output termi-
nal and V)
Leakage current 0.1 mA max.
ON delay time 0.5 ms max.
OFF delay time 1.5 ms max.
Number of points per common 16 points per common
7
DRT2-ID16/OD16 DRT2-ID16/OD16
For more information, contact an Omron representative at 1-800-55-OMRON
Installation
■ Internal Circuit Diagrams
Remote I/O Terminals (Models with 16 Transistor Inputs)
DRT2-ID16 (NPN)/DRT2-ID16-1 (PNP)
Remote I/O Terminals (Models with 16 Transistor Inputs)
DRT2-OD16 (NPN)/DRT2-OD16-1 (PNP)
Remote I/O Terminals Expansion Units (Models with 8
Transistor Inputs)
XWT-ID08 (NPN)/ID08-1 (PNP)
Remote I/O Terminals Expansion Units (Models with 8
Transistor Outputs)
XWT-OD08 (NPN)/OD08-1 (PNP)
Remote I/O Terminal Expansion Units (Models with 16
Transistor Inputs)
XWT-ID16 (NPN)/ID16-1 (PNP)
Remote I/O Terminal Expansion Units (Models with 16
Transistor Outputs)
XWT-OD16 (NPN)/OD16-1 (PNP)
■ Wiring Diagrams
Remote I/O Terminals (Models with 16 Transistor Inputs)
DRT2-OD16 (NPN)/DRT2-ID16-1 (PNP)
Remote I/O Terminals (Models with 16 Transistor Outputs)
DRT2-ID16 (NPN)/DRT2-OD16-1 (PNP)
Remote I/O Terminal Expansion Units (Models with 8
Transistor Inputs)
XWT-ID08 (NPN)/ID08 (PNP)
Remote I/O Terminal Expansion Units (Models with 8
Transistor Outputs)
XWT-OD08 (NPN)/OD08-1 (PNP)
Remote I/O Terminal Expansion Units (Models with 16
Transistor Inputs)
XWT-ID16 (NPN)/ID16-1 (PNP)
Remote I/O Terminal Expansion Units (Models with 16
Transistor Outputs)
XWT-OD16 (NPN)/OD16-1 (PNP)
DRT2-ID16-1 (PNP)DRT2-ID16 (NPN)
V 24 VDC
0
1
G
V+
CAN H
DRAIN
CAN L
V–
Photocoupler Photocoupler
PhotocouplerPhotocoupler
V 24 VDC
0
1
G
Ph
ys
ica
l la
ye
r
Non-insulated
DC-DC
converter
Non-insulated
DC-DC
converter
V+
CAN H
DRAIN
CAN L
V–
In
te
rn
al
c
irc
ui
t
Ph
ys
ica
l la
ye
r
In
te
rn
al
c
irc
ui
t
DRT2-OD16 (NPN) DRT2-OD16-1 (PNP)
Photocoupler Photocoupler
Photocoupler Photocoupler
Ph
ys
ica
l la
ye
r
Ph
ys
ica
l la
ye
r
Non-insulated
DC-DC
converter
Non-insulated
DC-DC
converter
0
1
G
V 24 VDC
V+
CAN H
DRAIN
CAN L
V–
0
1
G
V 24 VDCV+
CAN H
DRAIN
CAN L
V–
In
te
rn
al
c
irc
ui
t
In
te
rn
al
c
irc
ui
t
Voltage
step-
down
Voltage
step-
down
XWT-ID08 (NPN) XWT-ID08-1 (PNP)
Photocoupler Photocoupler
PhotocouplerPhotocoupler
V 24 VDC
0
1
G
V 24 VDC
0
1
G
In
te
rn
al
c
irc
ui
t
In
te
rn
al
c
irc
ui
t
XWT-OD08 (NPN) XWT-OD08-1 (PNP)
Photocoupler
0
1
G
V 24 VDC 0
1
G
V 24 VDC
In
te
rn
al
c
irc
ui
t
In
te
rn
al
c
irc
ui
t
Voltage
step-
down
Voltage
step-
down
XWT-ID16 (NPN)/ID16-1 (PNP)
XWT-ID16 (NPN) XWT-ID16-1 (PNP)
Photocoupler
Photocoupler
Photocoupler
Photocoupler
V 24 VDC
0
1
G
V 24 VDC
0
1
G
In
te
rn
al
c
irc
ui
t
In
te
rn
al
c
irc
ui
t
XWT-OD16 (NPN) XWT-OD16-1 (PNP)
Photocoupler Photocoupler
PhotocouplerPhotocoupler
0
1
G
V 24 VDC 0
1
G
V 24 VDC
In
te
rn
al
c
irc
ui
t
In
te
rn
al
c
irc
ui
t
Voltage
step-
down
Voltage
step-
down
DRT2-ID16-1 (PNP)DRT2-ID16 (NPN)
V
10
1
11
3
12
5
13
7
14
9
15
G
1
0
2
2
3
4
4
6
5
8
6
24 VDC
11
16
13
17
15
18
10
7
12
8
14
9
V
10
1
11
3
12
5
13
7
14
9
15
G 0 2
3
4
4
6
5
8
6
24 VDC
I/O power supply I/O power supply
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Two-wire sensor
(e.g., limit switch)
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Two-wire sensor
(e.g., limit switch)
+– +–
11
16
13
17
15
18
10
7
12
8
14
91 2
Br
ow
n
(R
ed
)
Bl
ac
k
(W
hit
e)
Bl
ue
(B
lac
k)
Bl
ue
(B
lac
k)
Bl
ac
k
(W
hit
e)
Br
ow
n
(R
ed
)
Br
ow
n
(W
hit
e)
Bl
ue
(B
lac
k)
B
lu
e
(B
la
ck
)
B
ro
w
n
(
W
h
it
e)
DRT2-OD16 (NPN) DRT2-OD16-1 (PNP)
V
10
1
11
3
12
5
13
7
14
9
15
G
1
0
2
2
3
4
4
6
5
8
6
24 VDC
Solenoid
11
16
13
17
15
18
10
7
12
8
14
9
Valve
V
10
1
11
3
12
5
13
7
14
9
15
G
1
0
2
2
3
4
4
6
5
8
6
24 VDC
Solenoid
11
16
13
17
15
18
10
7
12
8
14
9
Valve
I/O power supply I/O power supply
+– +–
XWT-ID08 (NPN) XWT-ID08-1 (PNP)
V
6
1
7
3
8
5
9
7
10
G
1
0
2
2
3
4
4
6
5
24 VDC
V
6
1
7
3
8
5
9
7
10
G
1
0
2
2
3
4
4
6
5
24 VDC
I/O power supply I/O power supply
+– +–
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Two-wire sensor
(e.g., limit switch)
Br
ow
n
(R
ed
)
Bl
ac
k
(W
hit
e)
Bl
ue
(B
lac
k)
Br
ow
n
(W
hit
e)
Bl
ue
(B
lac
k)
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Bl
ue
(B
lac
k)
Bl
ac
k
(W
hit
e)
Br
ow
n
(R
ed
)
Bl
ue
(B
lac
k)
Br
ow
n
(W
hit
e)
XWT-OD08 (NPN) XWT-OD08-1 (PNP)
V
6
1
7
3
8
5
9
7
10
G
1
0
2
2
3
4
4
6
5
24 VDC
V
6
1
7
3
8
5
9
7
10
G
1
0
2
2
3
4
4
6
5
24 VDC
I/O power supply I/O power supply
+– +–
Solenoid Valve Solenoid Valve
XWT-ID16 (NPN) XWT-ID16-1 (PNP)
V
10
1
11
3
12
5
13
7
14
9
15
G
1
0
2
2
3
4
4
6
5
8
6
24 VDC
11
16
13
17
15
18
10
7
12
8
14
9
V
10
1
11
3
12
5
13
7
14
9
15
G 0 2
3
4
4
6
5
8
6
24 VDC
11
16
13
17
15
18
10
7
12
8
14
91 2
I/O power supply I/O power supply
+– +–
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Two-wire sensor
(e.g., limit switch)
Br
ow
n
(R
ed
)
Bl
ac
k
(W
hit
e)
Bl
ue
(B
lac
k)
Br
ow
n
(W
hit
e)
Bl
ue
(B
lac
k)
Three-wire sensor with
NPN output
(photoelectric sensor or
proximity sensor)
Bl
ue
(B
lac
k)
Bl
ac
k
(W
hit
e)
Br
ow
n
(R
ed
)
Bl
ue
(B
lac
k)
Br
ow
n
(W
hit
e)
Two-wire sensor
(e.g., limit switch)
XWT-OD16 (NPN) XWT-OD16 -1 (PNP)
V
10
1
11
3
12
5
13
7
14
9
15
G
1
0
2
2
3
4
4
6
5
8
6
24 VDC
11
16
13
17
15
18
10
7
12
8
14
9
V
10
1
11
3
12
5
13
7
14
9
15
G
1
0
2
2
3
4
4
6
5
8
6
24 VDC
11
16
13
17
15
18
10
7
12
8
14
9
O power supply I/O power supply
+– +–
Solenoid Valve Solenoid Valve
8
DRT2-ID16/OD16DRT2-ID16/OD16
Dimensions (mm)
■ Remote I/O Terminal Basic Units
■ Remote I/O Terminal Expansion Units
Ordering Information
■ Remote I/O Terminal Basic Units
■ Remote I/O Terminal Expansion Units
Specification Part number
16 inputs, NPN DRT2-ID16
16 inputs, PNP DRT2-ID16-1
16 outputs, NPN DRT2-OD16
16 outputs, PNP DRT2-OD16-1
Specification Part number
8 expansion inputs, NPN XWT-ID08
8 expansion inputs, PNP XWT-ID08-1
8 expansion outputs, NPN XWT-0D08
8 expansion outputs, PNP XWT-OD08-1
16 expansion inputs, NPN XWT-ID16
16 expansion inputs, PNP XWT-ID16-1
16 expansion outputs, NPN XWT-OD16
16 expanison outputs, PNP XWT-OD16-1
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, divide by 25.4
Cat. No. R097-E3-1 Printed in USA
OMRON CANADA, INC.
885 Milner Avenue
Toronto, Ontario M1B 5V8
416-286-6465
OMRON ELECTRONICS LLC
One East Commerce Drive
Schaumburg, IL 60173
1-800-55-OMRON
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
7/02 Specifications subject to change without notice
First Page
Features and Functions
Specifications
Installation
Dimensions
Contacting Omron
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