CompoBus/S
New Products
• Programmable Slaves
• SYSMAC CPM2C CPU Units with CompoBus/S Master Functions
• Waterproof Terminals
• Sensor Terminals
• Remote I/O Modules
Cat. No. Q103-E1-7
Maximum Communications Cycle Time of
Only 1 ms
(High-speed Communications Mode)
Exchanges 256 I/O points of data with a maximum
of 32 Slaves at a maximum communications cycle
time of only 1 ms per point.
Long-distance Communications Mode
With a trunk line length of 500 m and a total branch
line length of 100 m (2-conductor VCTF cable), you
can branch in any way required using a special flat
cable or a 4-conductor VCTF cable as long as the
total wiring length is 200 m or less. Communicate
at a cycle time of only 6 ms.
*The Long-distance Communications Mode is not supported by the SRT1 Series.
Complicated
wiring between
the PC and
repeater terminal
block.
System
expansion
is time-
consuming.
Connects through a single dedicated cable,
thus greatly saving wiring effort.
Cabtire or flat cable is selectable.
●
Cabtire cable is available for multi-drop, T-
branch, or multi-branch lines.
●
Flat cable connects to T-branch connectors, thus
ensuring ease of system expansion.
Note:
Cabtire and flat cables cannot be used together.
An Analog Input Terminal with four points
and an Analog Output Terminal with two
points are available.
Dedi-
cated cable
saves wiring ef-
fort without re-
peater termi-
nal block.
Transmission
of ON/OFF
signals is time-
consuming.
A cycle
time of 1 ms
max. for up to
32 Slaves, 256
I/O points.
Easily
connects
sensors and
Slave Units.
T-
branches
allow easy
system
expansion.
Table of contents
Features
2
Maintenance
4
Programmable Slaves
6
CompoBus/S Products
8
Connections to a Wider Range of Slaves Ensured by Upgraded Models 12
CPM2C-S1 0C CPU Units with CompoBus/S Master
14
CPM2C-S1 0C-DRT Programmable Slaves
18
SRM1-C01-V2/C02-V2 Master Control Units (S-Controllers)
22
25
C200HW-SRM21-V1 Master Unit
27
CQM1-SRM21-V1 Master Unit
C200PC-ISA 3-SRM SYSMAC Boards with CompoBus/S Master
30
32
CPM2C-SRT21 I/O Link Unit
34
CPM1A-SRT21 I/O Link Unit
35
SRT2-ID/OD(-1) Transistor Remote I/O Terminals
SRT2- D16T(-1) Transistor Remote I/O Terminals with 3-tier Terminal Block 42
SRT2-R Relay-mounted Remote I/O Terminals
45
SRT2- D32ML(-1) Transistor Remote I/O Terminals
with Connectors (32 Points)
51
SRT2-VID/VOD(-1) Transistor Remote I/O Terminals
with Connectors (8/16 Points)
59
SRT2- D0 CL(-1) Waterproof Terminals
66
SRT2- D08S Sensor Terminals
72
SRT1-
D04S CompoBus/S Sensor Amplifier Terminals
80
SRT2-AD04 Analog Input Terminal
93
SRT2-DA02 Analog Output Terminal
96
99
SRT2-ID16P/OD16P Remote I/O Modules
FND-X -SRT Position Drivers
102
Peripheral Devices
105
Ordering Information
107
Complicated
sensor wiring.
Large
wiring effort
required for dis-
tributed devices han-
dling only a small
number of I/O
points.
Distributed
processing of a
small number of
I/O points.
Sensor
Amplifiers
snap on to
connect.
2
3
System Design
With conventional High-speed Communications Mode, the following restrictions on the number of branching
points and cable length had to be considered when designing the system.
With a Special Flat Cable or a 4-conductor VCTF cable:
Main line length A: 30 m max. Branch line lengths B, C, and D: 3 m max. Total branch line length B + C + D: 30 m max.
SYSMAC CS1
Branch line length: 3 m max.
Power supply
A
Main line
B
Maintenance
1
Sensor Amplifier
Terminals allow
easy replacement
of sensors through
a snap-on
attachment.
Terminating
resistance
CompoBus/S
Branch line length: 3 m max.
2
Individual wires must be replaced
when using repeater terminal
blocks.
CompoBus/S
connector
models
allow snap-on
attachment.
Main line length: 30 m max.
C
D
Branch line length: 3 m max.
* Baud rate: 750 kbps (in High-speed Communications Mode)
* With 2-conductor VCTF cable (in High-speed Communications Mode), main line length: 100 m max.
Expansion
Using CompoBus/S Long-distance Communications Mode (with a Special Flat Cable or a 4-
conductor VCTF cable) removes restrictions on main and branch line lengths. Branch freely up to a
total cable length of 200 m.
SYSMAC CS1
1
Flat cable can be
used with T-branch
connectors which
allow an increase in
the number of
Slaves.
Power supply
CompoBus/S
One-
touch expan-
sion with T-branching
and branching of
branch lines.
2
Repeater terminal blocks must be
added and wired for I/O expansion.
Terminating resistance
* Baud rate: 93.75 kbps
* Connect a terminating resistance at the end of the cable furthest from the Master.
* With 2-conductor VCTF cable (in Long-distance Communications Mode), main line length: 500 m max.
2-conductor VCTF
cable allows multi-
branching, thus
easily allowing an
increase in the
number of Slaves.
5
4
Programmable Slaves combine devices, such as sensors and
actuators, into one functional unit that is treated as a DeviceNet slave.
Programmable Slaves greatly facilitate device distribution and
functional organization. They help standardize programming between
units and reduce the amount of programming required at the master.
I/O and operational checks can be performed for each functional unit,
rather than waiting for final system assembly, as with conventional
distributed I/O systems.
●
Functions
OMRON Programmable Slaves function as DeviceNet slaves, yet they
provide PLC functionality to enable easy system expansion and create
new potential.
2
-ms Cycle Time
(for 500 Steps)
High-speed
Counter
Pulse Output
Interrupt
Inputs
256
Timers/
Counters
Calendar/
Clock
RS-232C
Connected to bar code readers, Programmable Terminals,
and other devices, the Programmable Slave processes
data locally to reduce the load on the master.
No-protocol
Communications
NT Links
Host Links
Multiword I/O links and explicit messages are
used to control slaves from the master. Log
data for communications can be sent in one
operation whenever necessary using explicit
messages.
Expansion Units
(3 max.)
Just one Unit is required for each distributed block,
reducing the number of interfaces for multipoint
communications to, in turn, reduce costs.
Discrete I/O
Relay Output
Analog I/O
Temperature
Control
Power
Supply Unit
1,024
-point
I/O Links
Explicit
Messages
DeviceNet-
CompoBus/S
Gateway
CompoBus/S
Less wiring is required for terminal block expansions,
connections to remote devices (such as signal lights or
pushbutton switches), and connections to pneumatic
valves and other non-OMRON products.
256
-point
(128/128) Expansion
High-speed Mode
(0.8 ms, 100 m)
Long-distance
Mode
(6 ms, 500 m)
VCTF or Special
Flat Cables
Complete
Product Line
6
7
Master Units
CPU Units with CompoBus/S Master
Programmable Slaves
CompoBus/S Master Control Units
Without RS-232C port
With RS-232C port
Slave Units
I/O Link Units
Transistor Remote I/O Terminals (NPN/PNP Output)
SRT2-ID04(-1)
4 inputs
SRT2-ID08(-1)
8 inputs
SRT2-ID16(-1)
16 inputs
CPM2C-S100C
CPM2C-S110C
SRT2-OD04(-1) SRT2-OD08(-1) SRT2-OD16(-1)
4 outputs
8 outputs
16 outputs
CPM2C-S100C-DRT
CPM2C-S110C-DRT
CompoBus/S Master Units
SRM1-C01-V2
SRM1-C02-V2
CPM2C-SRT21
CPM1A-SRT21
Note:
SRT2-
indicates NPN models and SRT2-
-1 indicates PNP models.
Master Unit with 256 points
Master Unit with 128 points
Transistor Remote I/O Terminals with 3-tier Terminal Block
Relay-mounted Remote I/O Terminals
SRT2-ROC08
8 relay outputs
SRT2-ROC16
16 relay outputs
SRT2-ROF08
8 power MOS FET
relay outputs
SRT2-ROF16
16 power MOS FET
relay outputs
C200HW-SRM21-V1
SYSMAC Board with CompoBus/S Master Functions
CQM1-SRM21-V1
SRT2-ID16T(-1)
Transistor Remote I/O Terminals with Connectors
C200PC-ISA
3-SRM
SRT2-
D32ML(-1)
SRT2-V
8 I/O points
D08S(-1)
SRT2-V
16 I/O points
D16ML(-1)
32 I/O points
8
9
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