16
Compatible Devices
Section 1-3
Note
1.
The power supply requirements are described below. Refer to
for details on these power supplies.
2.
Refer to
SECTION 5 Slave Specifications and Operations
for details on
Slaves.
Network Power Supply
These Slaves use a single power supply and can be supplied with power from
the Special Flat Cable for CompoBus/S.
Multiple Power Supplies
These Slaves require two separate power supplies for communications and I/
O.
The communications power can be supplied from the Special Flat Cable for
CompoBus/S.
Local Power Supply
These Slaves require a single external power supply. The power cannot be
supplied from the Special Flat Cable for CompoBus/S.
1-3-3
Cables
Cables
The following table lists the cables that can be used in a CompoBus/S Sys-
tem.
Note
1.
Do not use cables other than those specified above.
2.
For information on communications cables specified by overseas manufac-
turers, refer to
.
Fiber Amplifier
Communications
Unit
None
E3X-SRT21
8-point input or 16 point input (with
Fiber Amplifier Unit connected)
Network
Analog Input Termi-
nals
None
SRT2-AD04
Switchable between 4-point, 3-
point, 2-point, and 1-point analog
input
Analog Output Ter-
minals
None
SRT2-DA02
Switchable between 2-point and 1-
point analog output
I/O Link Units
None
CPM1A-SRT21
8 inputs, 8 outputs
(For CPM1A/CPM2A)
---
CPM2C I/O Link
Units
None
CPM2C-SRT21
8 inputs, 8 outputs (For CPM2C)
---
Type
Previous models
New models
I/O points
Power supply
Slave
SRT1 Series
SRT2 Series
Cable
Specifications
2-conductor VCTF cable
(sold commercially)
Vinyl-clad VCTF JIS C 3306
Two 0.75 mm
2
conductors (2 signal wires)
Resistance: 25.1
Ω
/km at 20
°
C
Use only 2-conductor VCTF cable.
4-conductor VCTF cable
(sold commercially)
Vinyl-clad VCTF JIS C 3306
Four 0.75 mm
2
conductors (2 signal wires and 2 power
supply wires)
Resistance: 25.1
Ω
/km at 20
°
C.
Special Flat Cable
(OMRON SCA1-4F10,
100 m)
Four 0.75 mm
2
conductors
(2 signal wires and 2 power supply wires)
Maximum ambient temperature: 60
°
C