OMRON CJ1W-SRM21 ราคา 7,740 บาท
Compobus S Module
Item
Specification
Communications method
Special CompoBus/S protocol
Communications baud rate
High-speed Communications Mode: 750 kbps
Long-distance Communications Mode: 93.75 kbps
Modulation method
Baseband method
Coding method
Manchester coding method
Error control checks
Manchester code check, frame length check, and parity check
Cable
VCTF cable
(JIS C 3306)
Two 0.75 mm2 conductors (2 signal wires)
Four 0.75 mm2 conductors (2 signal wires and 2 power supply wires)
Special Flat
Cable
Four 0.75 mm2 conductors (2 signal wires and 2 power supply wires)
Commu-
nications
distance
2-conductor
VCTF cable
High-speed Communications Mode
Main line length: 100 m max.
Branch line length: 3 m max.
Total branch line length: 50 m max.
Long-distance Communications Mode
Main line length: 500 m max.
Branch line length: 6 m max.
Total branch line length: 120 m max.
4-conductor
VCTF cable
High-speed Communications Mode
Main line length: 30 m max.
Branch line length: 3 m max.
Total branch line length: 30 m max.
Long-distance Communications Mode: Flexibly branched, provided that the total length of
cable is a maximum of 200 m.
Special Flat
Cable
High-speed Communications Mode
Main line length: 30 m max.
Branch line length: 3 m max.
Total branch line length: 30 m max.
When 4-conductor VCTF cable or Special Flat Cable is used to connect fewer than 16
Slaves, the main line can be up to 100 m long and the total branch line length can be up
to 50 m in High-speed Communications Mode.
Long-distance Communications Mode: Flexibly branched, provided that the total length of
cable is a maximum of 200 m.
Specifications
I/O points
256 (128 inputs and 128 outputs) or 128 (64 inputs and 64 outputs) (Switch-
selectable)
Applicable PLC models
CJ-series PLCs
Unit type
Special I/O Unit
Allocated words *
For 256 I/O: 20 words (8 for inputs, 8 for outputs, 4 for status)
For 128 I/O: 10 words (4 for inputs, 4 for outputs, 2 for status)
No. of mountable Master Units
40
Node address
8 addresses per node
No. of connectable Slaves
32
Status information
Communications Error Flags, Participation Flags
* Uses Special I/O Unit Area (in CIO Area).
