CS1W-SRM21

CS-series CompoBus/S Master Unit

CS1W-SRM21

CompoBus/S is a high-speed I/O bus

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

last update: September 25, 2012

Communication Specifications

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)
Cable	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.
	2-conductor VCTF cable	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.
	4-conductor VCTF cable	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.
	Special Flat Cable	Long-distance Communications Mode: Flexibly branched, provided that the total length of cable is a maximum of 200 m.

Specifications

Applicable PLC models	CS-series PLCs
Unit type	CS1 Special I/O Unit
Internal current consumption	5 VDC, 150 mA max.
Weight	167g max.
I/O points	256 (128 inputs and 128 outputs)	128 (64 inputs and 64 outputs)
Allocated words *	20 words (8 for inputs, 8 for outputs, 4 for status)	10 words (4 for inputs, 4 for outputs, 2 for status)
No. of mountable Master Units	95	96
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).

last update: September 25, 2012

Product Category

Automation Systems
- Networks
  - Discontinued
    - CS1W-SRM21

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